; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; Tests to make sure elimination of casts is working correctly ; RUN: opt < %s -instcombine -S -data-layout="E-p:64:64:64-p1:32:32:32-p2:64:64:64-p3:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128-n8:16:32:64" | FileCheck %s --check-prefixes=ALL,BE ; RUN: opt < %s -instcombine -S -data-layout="e-p:64:64:64-p1:32:32:32-p2:64:64:64-p3:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128-n8:16:32:64" | FileCheck %s --check-prefixes=ALL,LE declare void @use_i32(i32) declare void @use_v2i32(<2 x i32>) @inbuf = external global [32832 x i8] define i32 @test1(i32 %A) { ; ALL-LABEL: @test1( ; ALL-NEXT: ret i32 [[A:%.*]] ; %c1 = bitcast i32 %A to i32 %c2 = bitcast i32 %c1 to i32 ret i32 %c2 } define i64 @test2(i8 %A) { ; ALL-LABEL: @test2( ; ALL-NEXT: [[RET:%.*]] = zext i8 [[A:%.*]] to i64 ; ALL-NEXT: ret i64 [[RET]] ; %c1 = zext i8 %A to i16 %c2 = zext i16 %c1 to i32 %Ret = zext i32 %c2 to i64 ret i64 %Ret } define i64 @test3(i64 %A) { ; ALL-LABEL: @test3( ; ALL-NEXT: [[C2:%.*]] = and i64 [[A:%.*]], 255 ; ALL-NEXT: ret i64 [[C2]] ; %c1 = trunc i64 %A to i8 %c2 = zext i8 %c1 to i64 ret i64 %c2 } define i32 @test4(i32 %A, i32 %B) { ; ALL-LABEL: @test4( ; ALL-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; ALL-NEXT: [[RESULT:%.*]] = zext i1 [[COND]] to i32 ; ALL-NEXT: ret i32 [[RESULT]] ; %COND = icmp slt i32 %A, %B %c = zext i1 %COND to i8 %result = zext i8 %c to i32 ret i32 %result } define i32 @test5(i1 %B) { ; ALL-LABEL: @test5( ; ALL-NEXT: [[RESULT:%.*]] = zext i1 [[B:%.*]] to i32 ; ALL-NEXT: ret i32 [[RESULT]] ; %c = zext i1 %B to i8 %result = zext i8 %c to i32 ret i32 %result } define i32 @test6(i64 %A) { ; ALL-LABEL: @test6( ; ALL-NEXT: [[C1:%.*]] = trunc i64 [[A:%.*]] to i32 ; ALL-NEXT: ret i32 [[C1]] ; %c1 = trunc i64 %A to i32 %res = bitcast i32 %c1 to i32 ret i32 %res } define i64 @test7(i1 %A) { ; ALL-LABEL: @test7( ; ALL-NEXT: [[RES:%.*]] = zext i1 [[A:%.*]] to i64 ; ALL-NEXT: ret i64 [[RES]] ; %c1 = zext i1 %A to i32 %res = sext i32 %c1 to i64 ret i64 %res } define i64 @test8(i8 %A) { ; ALL-LABEL: @test8( ; ALL-NEXT: [[C1:%.*]] = sext i8 [[A:%.*]] to i64 ; ALL-NEXT: ret i64 [[C1]] ; %c1 = sext i8 %A to i64 %res = bitcast i64 %c1 to i64 ret i64 %res } define i16 @test9(i16 %A) { ; ALL-LABEL: @test9( ; ALL-NEXT: ret i16 [[A:%.*]] ; %c1 = sext i16 %A to i32 %c2 = trunc i32 %c1 to i16 ret i16 %c2 } define i16 @test10(i16 %A) { ; ALL-LABEL: @test10( ; ALL-NEXT: ret i16 [[A:%.*]] ; %c1 = sext i16 %A to i32 %c2 = trunc i32 %c1 to i16 ret i16 %c2 } declare void @varargs(i32, ...) define void @test11(i32* %P) { ; ALL-LABEL: @test11( ; ALL-NEXT: call void (i32, ...) @varargs(i32 5, i32* [[P:%.*]]) ; ALL-NEXT: ret void ; %c = bitcast i32* %P to i16* call void (i32, ...) @varargs( i32 5, i16* %c ) ret void } declare i32 @__gxx_personality_v0(...) define void @test_invoke_vararg_cast(i32* %a, i32* %b) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { ; ALL-LABEL: @test_invoke_vararg_cast( ; ALL-NEXT: entry: ; ALL-NEXT: invoke void (i32, ...) @varargs(i32 1, i32* [[B:%.*]], i32* [[A:%.*]]) ; ALL-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]] ; ALL: invoke.cont: ; ALL-NEXT: ret void ; ALL: lpad: ; ALL-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 } ; ALL-NEXT: cleanup ; ALL-NEXT: ret void ; entry: %0 = bitcast i32* %b to i8* %1 = bitcast i32* %a to i64* invoke void (i32, ...) @varargs(i32 1, i8* %0, i64* %1) to label %invoke.cont unwind label %lpad invoke.cont: ret void lpad: %2 = landingpad { i8*, i32 } cleanup ret void } define i8* @test13(i64 %A) { ; ALL-LABEL: @test13( ; ALL-NEXT: [[C:%.*]] = getelementptr [32832 x i8], [32832 x i8]* @inbuf, i64 0, i64 [[A:%.*]] ; ALL-NEXT: ret i8* [[C]] ; %c = getelementptr [0 x i8], [0 x i8]* bitcast ([32832 x i8]* @inbuf to [0 x i8]*), i64 0, i64 %A ret i8* %c } define i1 @test14(i8 %A) { ; ALL-LABEL: @test14( ; ALL-NEXT: [[X:%.*]] = icmp sgt i8 [[A:%.*]], -1 ; ALL-NEXT: ret i1 [[X]] ; %c = bitcast i8 %A to i8 %X = icmp ult i8 %c, -128 ret i1 %X } ; This just won't occur when there's no difference between ubyte and sbyte ;bool %test15(ubyte %A) { ; %c = cast ubyte %A to sbyte ; %X = setlt sbyte %c, 0 ; setgt %A, 127 ; ret bool %X ;} define i1 @test16(i32* %P) { ; ALL-LABEL: @test16( ; ALL-NEXT: [[C:%.*]] = icmp ne i32* [[P:%.*]], null ; ALL-NEXT: ret i1 [[C]] ; %c = icmp ne i32* %P, null ret i1 %c } define i16 @test17(i1 %x) { ; ALL-LABEL: @test17( ; ALL-NEXT: [[T86:%.*]] = zext i1 [[X:%.*]] to i16 ; ALL-NEXT: ret i16 [[T86]] ; %c = zext i1 %x to i32 %t86 = trunc i32 %c to i16 ret i16 %t86 } define i16 @test18(i8 %x) { ; ALL-LABEL: @test18( ; ALL-NEXT: [[T86:%.*]] = sext i8 [[X:%.*]] to i16 ; ALL-NEXT: ret i16 [[T86]] ; %c = sext i8 %x to i32 %t86 = trunc i32 %c to i16 ret i16 %t86 } define i1 @test19(i32 %X) { ; ALL-LABEL: @test19( ; ALL-NEXT: [[Z:%.*]] = icmp slt i32 [[X:%.*]], 12345 ; ALL-NEXT: ret i1 [[Z]] ; %c = sext i32 %X to i64 %Z = icmp slt i64 %c, 12345 ret i1 %Z } define <2 x i1> @test19vec(<2 x i32> %X) { ; ALL-LABEL: @test19vec( ; ALL-NEXT: [[Z:%.*]] = icmp slt <2 x i32> [[X:%.*]], ; ALL-NEXT: ret <2 x i1> [[Z]] ; %c = sext <2 x i32> %X to <2 x i64> %Z = icmp slt <2 x i64> %c, ret <2 x i1> %Z } define <3 x i1> @test19vec2(<3 x i1> %X) { ; ALL-LABEL: @test19vec2( ; ALL-NEXT: [[CMPEQ:%.*]] = xor <3 x i1> [[X:%.*]], ; ALL-NEXT: ret <3 x i1> [[CMPEQ]] ; %sext = sext <3 x i1> %X to <3 x i32> %cmpeq = icmp eq <3 x i32> %sext, zeroinitializer ret <3 x i1> %cmpeq } define i1 @test20(i1 %B) { ; ALL-LABEL: @test20( ; ALL-NEXT: ret i1 false ; %c = zext i1 %B to i32 %D = icmp slt i32 %c, -1 ret i1 %D } define i32 @test21(i32 %X) { ; ALL-LABEL: @test21( ; ALL-NEXT: [[SEXT:%.*]] = and i32 [[X:%.*]], 255 ; ALL-NEXT: ret i32 [[SEXT]] ; %c1 = trunc i32 %X to i8 %c2 = sext i8 %c1 to i32 %RV = and i32 %c2, 255 ret i32 %RV } define i32 @test22(i32 %X) { ; ALL-LABEL: @test22( ; ALL-NEXT: [[SEXT:%.*]] = shl i32 [[X:%.*]], 24 ; ALL-NEXT: ret i32 [[SEXT]] ; %c1 = trunc i32 %X to i8 %c2 = sext i8 %c1 to i32 %RV = shl i32 %c2, 24 ret i32 %RV } define i32 @test23(i32 %X) { ; ALL-LABEL: @test23( ; ALL-NEXT: [[C2:%.*]] = and i32 [[X:%.*]], 65535 ; ALL-NEXT: ret i32 [[C2]] ; %c1 = trunc i32 %X to i16 %c2 = zext i16 %c1 to i32 ret i32 %c2 } define i1 @test24(i1 %C) { ; ALL-LABEL: @test24( ; ALL-NEXT: ret i1 true ; %X = select i1 %C, i32 14, i32 1234 %c = icmp ne i32 %X, 0 ret i1 %c } define i32 @test26(float %F) { ; ALL-LABEL: @test26( ; ALL-NEXT: [[D:%.*]] = fptosi float [[F:%.*]] to i32 ; ALL-NEXT: ret i32 [[D]] ; %c = fpext float %F to double %D = fptosi double %c to i32 ret i32 %D } define [4 x float]* @test27([9 x [4 x float]]* %A) { ; ALL-LABEL: @test27( ; ALL-NEXT: [[C:%.*]] = getelementptr [9 x [4 x float]], [9 x [4 x float]]* [[A:%.*]], i64 0, i64 0 ; ALL-NEXT: ret [4 x float]* [[C]] ; %c = bitcast [9 x [4 x float]]* %A to [4 x float]* ret [4 x float]* %c } define float* @test28([4 x float]* %A) { ; ALL-LABEL: @test28( ; ALL-NEXT: [[C:%.*]] = getelementptr [4 x float], [4 x float]* [[A:%.*]], i64 0, i64 0 ; ALL-NEXT: ret float* [[C]] ; %c = bitcast [4 x float]* %A to float* ret float* %c } define i32 @test29(i32 %c1, i32 %c2) { ; ALL-LABEL: @test29( ; ALL-NEXT: [[T21:%.*]] = or i32 [[C2:%.*]], [[C1:%.*]] ; ALL-NEXT: [[T10:%.*]] = and i32 [[T21]], 255 ; ALL-NEXT: ret i32 [[T10]] ; %t1 = trunc i32 %c1 to i8 %tmask = trunc i32 %c2 to i8 %t2 = or i8 %tmask, %t1 %t10 = zext i8 %t2 to i32 ret i32 %t10 } define i32 @test30(i32 %c1) { ; ALL-LABEL: @test30( ; ALL-NEXT: [[C3:%.*]] = and i32 [[C1:%.*]], 255 ; ALL-NEXT: [[C4:%.*]] = xor i32 [[C3]], 1 ; ALL-NEXT: ret i32 [[C4]] ; %c2 = trunc i32 %c1 to i8 %c3 = xor i8 %c2, 1 %c4 = zext i8 %c3 to i32 ret i32 %c4 } define i1 @test31(i64 %A) { ; ALL-LABEL: @test31( ; ALL-NEXT: [[C1:%.*]] = and i64 [[A:%.*]], 42 ; ALL-NEXT: [[D:%.*]] = icmp eq i64 [[C1]], 10 ; ALL-NEXT: ret i1 [[D]] ; %B = trunc i64 %A to i32 %C = and i32 %B, 42 %D = icmp eq i32 %C, 10 ret i1 %D } ; FIXME: Vectors should fold too...or not? ; Does this depend on the whether the source/dest types of the trunc are legal in the data layout? define <2 x i1> @test31vec(<2 x i64> %A) { ; ALL-LABEL: @test31vec( ; ALL-NEXT: [[B:%.*]] = trunc <2 x i64> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[C:%.*]] = and <2 x i32> [[B]], ; ALL-NEXT: [[D:%.*]] = icmp eq <2 x i32> [[C]], ; ALL-NEXT: ret <2 x i1> [[D]] ; %B = trunc <2 x i64> %A to <2 x i32> %C = and <2 x i32> %B, %D = icmp eq <2 x i32> %C, ret <2 x i1> %D } ; Verify that the 'and' was narrowed, the zext was eliminated, and the compare was narrowed ; even for vectors. Earlier folds should ensure that the icmp(and(zext)) pattern never occurs. define <2 x i1> @test32vec(<2 x i8> %A) { ; ALL-LABEL: @test32vec( ; ALL-NEXT: [[TMP1:%.*]] = and <2 x i8> [[A:%.*]], ; ALL-NEXT: [[D:%.*]] = icmp eq <2 x i8> [[TMP1]], ; ALL-NEXT: ret <2 x i1> [[D]] ; %B = zext <2 x i8> %A to <2 x i16> %C = and <2 x i16> %B, %D = icmp eq <2 x i16> %C, ret <2 x i1> %D } define i32 @test33(i32 %c1) { ; ALL-LABEL: @test33( ; ALL-NEXT: ret i32 [[C1:%.*]] ; %x = bitcast i32 %c1 to float %y = bitcast float %x to i32 ret i32 %y } define i16 @test34(i16 %a) { ; ALL-LABEL: @test34( ; ALL-NEXT: [[TMP1:%.*]] = lshr i16 [[A:%.*]], 8 ; ALL-NEXT: ret i16 [[TMP1]] ; %c1 = zext i16 %a to i32 %t21 = lshr i32 %c1, 8 %c2 = trunc i32 %t21 to i16 ret i16 %c2 } define i16 @test35(i16 %a) { ; ALL-LABEL: @test35( ; ALL-NEXT: [[T2:%.*]] = lshr i16 [[A:%.*]], 8 ; ALL-NEXT: ret i16 [[T2]] ; %c1 = bitcast i16 %a to i16 %t2 = lshr i16 %c1, 8 %c2 = bitcast i16 %t2 to i16 ret i16 %c2 } ; rdar://6480391 define i1 @test36(i32 %a) { ; ALL-LABEL: @test36( ; ALL-NEXT: [[D:%.*]] = icmp sgt i32 [[A:%.*]], -1 ; ALL-NEXT: ret i1 [[D]] ; %b = lshr i32 %a, 31 %c = trunc i32 %b to i8 %d = icmp eq i8 %c, 0 ret i1 %d } define <2 x i1> @test36vec(<2 x i32> %a) { ; ALL-LABEL: @test36vec( ; ALL-NEXT: [[D:%.*]] = icmp sgt <2 x i32> [[A:%.*]], ; ALL-NEXT: ret <2 x i1> [[D]] ; %b = lshr <2 x i32> %a, %c = trunc <2 x i32> %b to <2 x i8> %d = icmp eq <2 x i8> %c, zeroinitializer ret <2 x i1> %d } define i1 @test37(i32 %a) { ; ALL-LABEL: @test37( ; ALL-NEXT: ret i1 false ; %b = lshr i32 %a, 31 %c = or i32 %b, 512 %d = trunc i32 %c to i8 %e = icmp eq i8 %d, 11 ret i1 %e } define i64 @test38(i32 %a) { ; ALL-LABEL: @test38( ; ALL-NEXT: [[TMP1:%.*]] = icmp ne i32 [[A:%.*]], -2 ; ALL-NEXT: [[TMP2:%.*]] = zext i1 [[TMP1]] to i64 ; ALL-NEXT: ret i64 [[TMP2]] ; %1 = icmp eq i32 %a, -2 %2 = zext i1 %1 to i8 %3 = xor i8 %2, 1 %4 = zext i8 %3 to i64 ret i64 %4 } define i16 @test39(i16 %a) { ; ALL-LABEL: @test39( ; ALL-NEXT: [[T32:%.*]] = call i16 @llvm.bswap.i16(i16 [[A:%.*]]) ; ALL-NEXT: ret i16 [[T32]] ; %t = zext i16 %a to i32 %t21 = lshr i32 %t, 8 %t5 = shl i32 %t, 8 %t32 = or i32 %t21, %t5 %r = trunc i32 %t32 to i16 ret i16 %r } define i16 @test40(i16 %a) { ; ALL-LABEL: @test40( ; ALL-NEXT: [[T21:%.*]] = lshr i16 [[A:%.*]], 9 ; ALL-NEXT: [[T5:%.*]] = shl i16 [[A]], 8 ; ALL-NEXT: [[T32:%.*]] = or i16 [[T21]], [[T5]] ; ALL-NEXT: ret i16 [[T32]] ; %t = zext i16 %a to i32 %t21 = lshr i32 %t, 9 %t5 = shl i32 %t, 8 %t32 = or i32 %t21, %t5 %r = trunc i32 %t32 to i16 ret i16 %r } define <2 x i16> @test40vec(<2 x i16> %a) { ; ALL-LABEL: @test40vec( ; ALL-NEXT: [[T21:%.*]] = lshr <2 x i16> [[A:%.*]], ; ALL-NEXT: [[T5:%.*]] = shl <2 x i16> [[A]], ; ALL-NEXT: [[T32:%.*]] = or <2 x i16> [[T21]], [[T5]] ; ALL-NEXT: ret <2 x i16> [[T32]] ; %t = zext <2 x i16> %a to <2 x i32> %t21 = lshr <2 x i32> %t, %t5 = shl <2 x i32> %t, %t32 = or <2 x i32> %t21, %t5 %r = trunc <2 x i32> %t32 to <2 x i16> ret <2 x i16> %r } define <2 x i16> @test40vec_nonuniform(<2 x i16> %a) { ; ALL-LABEL: @test40vec_nonuniform( ; ALL-NEXT: [[T21:%.*]] = lshr <2 x i16> [[A:%.*]], ; ALL-NEXT: [[T5:%.*]] = shl <2 x i16> [[A]], ; ALL-NEXT: [[T32:%.*]] = or <2 x i16> [[T21]], [[T5]] ; ALL-NEXT: ret <2 x i16> [[T32]] ; %t = zext <2 x i16> %a to <2 x i32> %t21 = lshr <2 x i32> %t, %t5 = shl <2 x i32> %t, %t32 = or <2 x i32> %t21, %t5 %r = trunc <2 x i32> %t32 to <2 x i16> ret <2 x i16> %r } define <2 x i16> @test40vec_undef(<2 x i16> %a) { ; ALL-LABEL: @test40vec_undef( ; ALL-NEXT: [[T:%.*]] = zext <2 x i16> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[T21:%.*]] = lshr <2 x i32> [[T]], ; ALL-NEXT: [[T5:%.*]] = shl <2 x i32> [[T]], ; ALL-NEXT: [[T32:%.*]] = or <2 x i32> [[T21]], [[T5]] ; ALL-NEXT: [[R:%.*]] = trunc <2 x i32> [[T32]] to <2 x i16> ; ALL-NEXT: ret <2 x i16> [[R]] ; %t = zext <2 x i16> %a to <2 x i32> %t21 = lshr <2 x i32> %t, %t5 = shl <2 x i32> %t, %t32 = or <2 x i32> %t21, %t5 %r = trunc <2 x i32> %t32 to <2 x i16> ret <2 x i16> %r } ; PR1263 define i32* @test41(i32* %t1) { ; ALL-LABEL: @test41( ; ALL-NEXT: ret i32* [[T1:%.*]] ; %t64 = bitcast i32* %t1 to { i32 }* %t65 = getelementptr { i32 }, { i32 }* %t64, i32 0, i32 0 ret i32* %t65 } define i32 addrspace(1)* @test41_addrspacecast_smaller(i32* %t1) { ; ALL-LABEL: @test41_addrspacecast_smaller( ; ALL-NEXT: [[T65:%.*]] = addrspacecast i32* [[T1:%.*]] to i32 addrspace(1)* ; ALL-NEXT: ret i32 addrspace(1)* [[T65]] ; %t64 = addrspacecast i32* %t1 to { i32 } addrspace(1)* %t65 = getelementptr { i32 }, { i32 } addrspace(1)* %t64, i32 0, i32 0 ret i32 addrspace(1)* %t65 } define i32* @test41_addrspacecast_larger(i32 addrspace(1)* %t1) { ; ALL-LABEL: @test41_addrspacecast_larger( ; ALL-NEXT: [[T65:%.*]] = addrspacecast i32 addrspace(1)* [[T1:%.*]] to i32* ; ALL-NEXT: ret i32* [[T65]] ; %t64 = addrspacecast i32 addrspace(1)* %t1 to { i32 }* %t65 = getelementptr { i32 }, { i32 }* %t64, i32 0, i32 0 ret i32* %t65 } define i32 @test42(i32 %X) { ; ALL-LABEL: @test42( ; ALL-NEXT: [[Z:%.*]] = and i32 [[X:%.*]], 255 ; ALL-NEXT: ret i32 [[Z]] ; %Y = trunc i32 %X to i8 %Z = zext i8 %Y to i32 ret i32 %Z } ; rdar://6598839 define zeroext i64 @test43(i8 zeroext %on_off) { ; ALL-LABEL: @test43( ; ALL-NEXT: [[A:%.*]] = zext i8 [[ON_OFF:%.*]] to i64 ; ALL-NEXT: [[B:%.*]] = add nsw i64 [[A]], -1 ; ALL-NEXT: ret i64 [[B]] ; %A = zext i8 %on_off to i32 %B = add i32 %A, -1 %C = sext i32 %B to i64 ret i64 %C ;; Should be (add (zext i8 -> i64), -1) } define i64 @test44(i8 %T) { ; ALL-LABEL: @test44( ; ALL-NEXT: [[A:%.*]] = zext i8 [[T:%.*]] to i64 ; ALL-NEXT: [[B:%.*]] = or i64 [[A]], 1234 ; ALL-NEXT: ret i64 [[B]] ; %A = zext i8 %T to i16 %B = or i16 %A, 1234 %C = zext i16 %B to i64 ret i64 %C } define i64 @test45(i8 %A, i64 %Q) { ; ALL-LABEL: @test45( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i64 ; ALL-NEXT: [[C:%.*]] = or i64 [[B]], [[Q:%.*]] ; ALL-NEXT: [[E:%.*]] = and i64 [[C]], 4294967295 ; ALL-NEXT: ret i64 [[E]] ; %D = trunc i64 %Q to i32 ;; should be removed %B = sext i8 %A to i32 %C = or i32 %B, %D %E = zext i32 %C to i64 ret i64 %E } define i64 @test46(i64 %A) { ; ALL-LABEL: @test46( ; ALL-NEXT: [[C:%.*]] = shl i64 [[A:%.*]], 8 ; ALL-NEXT: [[D:%.*]] = and i64 [[C]], 10752 ; ALL-NEXT: ret i64 [[D]] ; %B = trunc i64 %A to i32 %C = and i32 %B, 42 %D = shl i32 %C, 8 %E = zext i32 %D to i64 ret i64 %E } define <2 x i64> @test46vec(<2 x i64> %A) { ; ALL-LABEL: @test46vec( ; ALL-NEXT: [[B:%.*]] = trunc <2 x i64> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[C:%.*]] = shl <2 x i32> [[B]], ; ALL-NEXT: [[D:%.*]] = and <2 x i32> [[C]], ; ALL-NEXT: [[E:%.*]] = zext <2 x i32> [[D]] to <2 x i64> ; ALL-NEXT: ret <2 x i64> [[E]] ; %B = trunc <2 x i64> %A to <2 x i32> %C = and <2 x i32> %B, %D = shl <2 x i32> %C, %E = zext <2 x i32> %D to <2 x i64> ret <2 x i64> %E } define i64 @test47(i8 %A) { ; ALL-LABEL: @test47( ; ALL-NEXT: [[TMP1:%.*]] = or i8 [[A:%.*]], 42 ; ALL-NEXT: [[C:%.*]] = sext i8 [[TMP1]] to i64 ; ALL-NEXT: [[E:%.*]] = and i64 [[C]], 4294967295 ; ALL-NEXT: ret i64 [[E]] ; %B = sext i8 %A to i32 %C = or i32 %B, 42 %E = zext i32 %C to i64 ret i64 %E } define i64 @test48(i8 %A1, i8 %a2) { ; ALL-LABEL: @test48( ; ALL-NEXT: [[Z2:%.*]] = zext i8 [[A1:%.*]] to i32 ; ALL-NEXT: [[C:%.*]] = shl nuw nsw i32 [[Z2]], 8 ; ALL-NEXT: [[D:%.*]] = or i32 [[C]], [[Z2]] ; ALL-NEXT: [[E:%.*]] = zext i32 [[D]] to i64 ; ALL-NEXT: ret i64 [[E]] ; %Z1 = zext i8 %a2 to i32 %Z2 = zext i8 %A1 to i32 %C = shl i32 %Z2, 8 %D = or i32 %C, %Z2 %E = zext i32 %D to i64 ret i64 %E } define i64 @test49(i64 %A) { ; ALL-LABEL: @test49( ; ALL-NEXT: [[C:%.*]] = shl i64 [[A:%.*]], 32 ; ALL-NEXT: [[SEXT:%.*]] = ashr exact i64 [[C]], 32 ; ALL-NEXT: [[D:%.*]] = or i64 [[SEXT]], 1 ; ALL-NEXT: ret i64 [[D]] ; %B = trunc i64 %A to i32 %C = or i32 %B, 1 %D = sext i32 %C to i64 ret i64 %D } define i64 @test50(i64 %x) { ; ALL-LABEL: @test50( ; ALL-NEXT: [[TMP1:%.*]] = shl i64 [[X:%.*]], 30 ; ALL-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], -4294967296 ; ALL-NEXT: [[E:%.*]] = ashr i64 [[TMP2]], 32 ; ALL-NEXT: ret i64 [[E]] ; %a = lshr i64 %x, 2 %B = trunc i64 %a to i32 %D = add i32 %B, -1 %E = sext i32 %D to i64 ret i64 %E } define i64 @test51(i64 %A, i1 %cond) { ; ALL-LABEL: @test51( ; ALL-NEXT: [[C:%.*]] = and i64 [[A:%.*]], 4294967294 ; ALL-NEXT: [[NOT_COND:%.*]] = xor i1 [[COND:%.*]], true ; ALL-NEXT: [[MASKSEL:%.*]] = zext i1 [[NOT_COND]] to i64 ; ALL-NEXT: [[E:%.*]] = or i64 [[C]], [[MASKSEL]] ; ALL-NEXT: [[SEXT:%.*]] = shl nuw i64 [[E]], 32 ; ALL-NEXT: [[F:%.*]] = ashr exact i64 [[SEXT]], 32 ; ALL-NEXT: ret i64 [[F]] ; %B = trunc i64 %A to i32 %C = and i32 %B, -2 %D = or i32 %B, 1 %E = select i1 %cond, i32 %C, i32 %D %F = sext i32 %E to i64 ret i64 %F } define i32 @test52(i64 %A) { ; ALL-LABEL: @test52( ; ALL-NEXT: [[B:%.*]] = trunc i64 [[A:%.*]] to i32 ; ALL-NEXT: [[C:%.*]] = and i32 [[B]], 7224 ; ALL-NEXT: [[D:%.*]] = or i32 [[C]], 32962 ; ALL-NEXT: ret i32 [[D]] ; %B = trunc i64 %A to i16 %C = or i16 %B, -32574 %D = and i16 %C, -25350 %E = zext i16 %D to i32 ret i32 %E } define i64 @test53(i32 %A) { ; ALL-LABEL: @test53( ; ALL-NEXT: [[TMP1:%.*]] = and i32 [[A:%.*]], 7224 ; ALL-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], 32962 ; ALL-NEXT: [[D:%.*]] = zext i32 [[TMP2]] to i64 ; ALL-NEXT: ret i64 [[D]] ; %B = trunc i32 %A to i16 %C = or i16 %B, -32574 %D = and i16 %C, -25350 %E = zext i16 %D to i64 ret i64 %E } define i32 @test54(i64 %A) { ; ALL-LABEL: @test54( ; ALL-NEXT: [[B:%.*]] = trunc i64 [[A:%.*]] to i32 ; ALL-NEXT: [[C:%.*]] = and i32 [[B]], 7224 ; ALL-NEXT: [[D:%.*]] = or i32 [[C]], -32574 ; ALL-NEXT: ret i32 [[D]] ; %B = trunc i64 %A to i16 %C = or i16 %B, -32574 %D = and i16 %C, -25350 %E = sext i16 %D to i32 ret i32 %E } define i64 @test55(i32 %A) { ; ALL-LABEL: @test55( ; ALL-NEXT: [[TMP1:%.*]] = and i32 [[A:%.*]], 7224 ; ALL-NEXT: [[C:%.*]] = zext i32 [[TMP1]] to i64 ; ALL-NEXT: [[D:%.*]] = or i64 [[C]], -32574 ; ALL-NEXT: ret i64 [[D]] ; %B = trunc i32 %A to i16 %C = or i16 %B, -32574 %D = and i16 %C, -25350 %E = sext i16 %D to i64 ret i64 %E } define i64 @test56(i16 %A) { ; ALL-LABEL: @test56( ; ALL-NEXT: [[P353:%.*]] = sext i16 [[A:%.*]] to i64 ; ALL-NEXT: [[P354:%.*]] = lshr i64 [[P353]], 5 ; ALL-NEXT: [[P355:%.*]] = and i64 [[P354]], 134217727 ; ALL-NEXT: ret i64 [[P355]] ; %p353 = sext i16 %A to i32 %p354 = lshr i32 %p353, 5 %p355 = zext i32 %p354 to i64 ret i64 %p355 } define <2 x i64> @test56vec(<2 x i16> %A) { ; ALL-LABEL: @test56vec( ; ALL-NEXT: [[P353:%.*]] = sext <2 x i16> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[P354:%.*]] = lshr <2 x i32> [[P353]], ; ALL-NEXT: [[P355:%.*]] = zext <2 x i32> [[P354]] to <2 x i64> ; ALL-NEXT: ret <2 x i64> [[P355]] ; %p353 = sext <2 x i16> %A to <2 x i32> %p354 = lshr <2 x i32> %p353, %p355 = zext <2 x i32> %p354 to <2 x i64> ret <2 x i64> %p355 } define i64 @test57(i64 %A) { ; ALL-LABEL: @test57( ; ALL-NEXT: [[C:%.*]] = lshr i64 [[A:%.*]], 8 ; ALL-NEXT: [[E:%.*]] = and i64 [[C]], 16777215 ; ALL-NEXT: ret i64 [[E]] ; %B = trunc i64 %A to i32 %C = lshr i32 %B, 8 %E = zext i32 %C to i64 ret i64 %E } define <2 x i64> @test57vec(<2 x i64> %A) { ; ALL-LABEL: @test57vec( ; ALL-NEXT: [[B:%.*]] = trunc <2 x i64> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: [[E:%.*]] = zext <2 x i32> [[C]] to <2 x i64> ; ALL-NEXT: ret <2 x i64> [[E]] ; %B = trunc <2 x i64> %A to <2 x i32> %C = lshr <2 x i32> %B, %E = zext <2 x i32> %C to <2 x i64> ret <2 x i64> %E } define i64 @test58(i64 %A) { ; ALL-LABEL: @test58( ; ALL-NEXT: [[C:%.*]] = lshr i64 [[A:%.*]], 8 ; ALL-NEXT: [[D:%.*]] = and i64 [[C]], 16777087 ; ALL-NEXT: [[E:%.*]] = or i64 [[D]], 128 ; ALL-NEXT: ret i64 [[E]] ; %B = trunc i64 %A to i32 %C = lshr i32 %B, 8 %D = or i32 %C, 128 %E = zext i32 %D to i64 ret i64 %E } define i64 @test59(i8 %A, i8 %B) { ; ALL-LABEL: @test59( ; ALL-NEXT: [[C:%.*]] = zext i8 [[A:%.*]] to i64 ; ALL-NEXT: [[D:%.*]] = shl nuw nsw i64 [[C]], 4 ; ALL-NEXT: [[E:%.*]] = and i64 [[D]], 48 ; ALL-NEXT: [[TMP1:%.*]] = lshr i8 [[B:%.*]], 4 ; ALL-NEXT: [[G:%.*]] = zext i8 [[TMP1]] to i64 ; ALL-NEXT: [[H:%.*]] = or i64 [[E]], [[G]] ; ALL-NEXT: ret i64 [[H]] ; %C = zext i8 %A to i32 %D = shl i32 %C, 4 %E = and i32 %D, 48 %F = zext i8 %B to i32 %G = lshr i32 %F, 4 %H = or i32 %G, %E %I = zext i32 %H to i64 ret i64 %I } define <3 x i32> @test60(<4 x i32> %call4) { ; BE-LABEL: @test60( ; BE-NEXT: [[P10:%.*]] = shufflevector <4 x i32> [[CALL4:%.*]], <4 x i32> undef, <3 x i32> ; BE-NEXT: ret <3 x i32> [[P10]] ; ; LE-LABEL: @test60( ; LE-NEXT: [[P10:%.*]] = shufflevector <4 x i32> [[CALL4:%.*]], <4 x i32> undef, <3 x i32> ; LE-NEXT: ret <3 x i32> [[P10]] ; %p11 = bitcast <4 x i32> %call4 to i128 %p9 = trunc i128 %p11 to i96 %p10 = bitcast i96 %p9 to <3 x i32> ret <3 x i32> %p10 } define <4 x i32> @test61(<3 x i32> %call4) { ; BE-LABEL: @test61( ; BE-NEXT: [[P10:%.*]] = shufflevector <3 x i32> [[CALL4:%.*]], <3 x i32> , <4 x i32> ; BE-NEXT: ret <4 x i32> [[P10]] ; ; LE-LABEL: @test61( ; LE-NEXT: [[P10:%.*]] = shufflevector <3 x i32> [[CALL4:%.*]], <3 x i32> , <4 x i32> ; LE-NEXT: ret <4 x i32> [[P10]] ; %p11 = bitcast <3 x i32> %call4 to i96 %p9 = zext i96 %p11 to i128 %p10 = bitcast i128 %p9 to <4 x i32> ret <4 x i32> %p10 } define <4 x i32> @test62(<3 x float> %call4) { ; BE-LABEL: @test62( ; BE-NEXT: [[TMP1:%.*]] = bitcast <3 x float> [[CALL4:%.*]] to <3 x i32> ; BE-NEXT: [[P10:%.*]] = shufflevector <3 x i32> [[TMP1]], <3 x i32> , <4 x i32> ; BE-NEXT: ret <4 x i32> [[P10]] ; ; LE-LABEL: @test62( ; LE-NEXT: [[TMP1:%.*]] = bitcast <3 x float> [[CALL4:%.*]] to <3 x i32> ; LE-NEXT: [[P10:%.*]] = shufflevector <3 x i32> [[TMP1]], <3 x i32> , <4 x i32> ; LE-NEXT: ret <4 x i32> [[P10]] ; %p11 = bitcast <3 x float> %call4 to i96 %p9 = zext i96 %p11 to i128 %p10 = bitcast i128 %p9 to <4 x i32> ret <4 x i32> %p10 } ; PR7311 - Don't create invalid IR on scalar->vector cast. define <2 x float> @test63(i64 %t8) { ; ALL-LABEL: @test63( ; ALL-NEXT: [[A:%.*]] = bitcast i64 [[T8:%.*]] to <2 x i32> ; ALL-NEXT: [[VCVT_I:%.*]] = uitofp <2 x i32> [[A]] to <2 x float> ; ALL-NEXT: ret <2 x float> [[VCVT_I]] ; %a = bitcast i64 %t8 to <2 x i32> %vcvt.i = uitofp <2 x i32> %a to <2 x float> ret <2 x float> %vcvt.i } define <4 x float> @test64(<4 x float> %c) { ; ALL-LABEL: @test64( ; ALL-NEXT: ret <4 x float> [[C:%.*]] ; %t0 = bitcast <4 x float> %c to <4 x i32> %t1 = bitcast <4 x i32> %t0 to <4 x float> ret <4 x float> %t1 } define <4 x float> @test65(<4 x float> %c) { ; ALL-LABEL: @test65( ; ALL-NEXT: ret <4 x float> [[C:%.*]] ; %t0 = bitcast <4 x float> %c to <2 x double> %t1 = bitcast <2 x double> %t0 to <4 x float> ret <4 x float> %t1 } define <2 x float> @test66(<2 x float> %c) { ; ALL-LABEL: @test66( ; ALL-NEXT: ret <2 x float> [[C:%.*]] ; %t0 = bitcast <2 x float> %c to double %t1 = bitcast double %t0 to <2 x float> ret <2 x float> %t1 } define float @test2c() { ; ALL-LABEL: @test2c( ; ALL-NEXT: ret float -1.000000e+00 ; ret float extractelement (<2 x float> bitcast (double bitcast (<2 x float> to double) to <2 x float>), i32 0) } define i64 @test_mmx(<2 x i32> %x) { ; ALL-LABEL: @test_mmx( ; ALL-NEXT: [[C:%.*]] = bitcast <2 x i32> [[X:%.*]] to i64 ; ALL-NEXT: ret i64 [[C]] ; %A = bitcast <2 x i32> %x to x86_mmx %B = bitcast x86_mmx %A to <2 x i32> %C = bitcast <2 x i32> %B to i64 ret i64 %C } define i64 @test_mmx_const(<2 x i32> %c) { ; ALL-LABEL: @test_mmx_const( ; ALL-NEXT: ret i64 0 ; %A = bitcast <2 x i32> zeroinitializer to x86_mmx %B = bitcast x86_mmx %A to <2 x i32> %C = bitcast <2 x i32> %B to i64 ret i64 %C } ; PR12514 define i1 @test67(i1 %a, i32 %b) { ; ALL-LABEL: @test67( ; ALL-NEXT: ret i1 false ; %t2 = zext i1 %a to i32 %conv6 = xor i32 %t2, 1 %and = and i32 %b, %conv6 %sext = shl nuw nsw i32 %and, 24 %neg.i = xor i32 %sext, -16777216 %conv.i.i = ashr exact i32 %neg.i, 24 %trunc = trunc i32 %conv.i.i to i8 %tobool.i = icmp eq i8 %trunc, 0 ret i1 %tobool.i } %s = type { i32, i32, i16 } define %s @test68(%s *%p, i64 %i) { ; ALL-LABEL: @test68( ; ALL-NEXT: [[PP1:%.*]] = getelementptr [[S:%.*]], %s* [[P:%.*]], i64 [[I:%.*]] ; ALL-NEXT: [[L:%.*]] = load [[S]], %s* [[PP1]], align 4 ; ALL-NEXT: ret [[S]] [[L]] ; %o = mul i64 %i, 12 %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i64 %o %r = bitcast i8* %pp to %s* %l = load %s, %s* %r ret %s %l } ; addrspacecasts should be eliminated. define %s @test68_addrspacecast(%s* %p, i64 %i) { ; ALL-LABEL: @test68_addrspacecast( ; ALL-NEXT: [[PP1:%.*]] = getelementptr [[S:%.*]], %s* [[P:%.*]], i64 [[I:%.*]] ; ALL-NEXT: [[L:%.*]] = load [[S]], %s* [[PP1]], align 4 ; ALL-NEXT: ret [[S]] [[L]] ; %o = mul i64 %i, 12 %q = addrspacecast %s* %p to i8 addrspace(2)* %pp = getelementptr inbounds i8, i8 addrspace(2)* %q, i64 %o %r = addrspacecast i8 addrspace(2)* %pp to %s* %l = load %s, %s* %r ret %s %l } define %s @test68_addrspacecast_2(%s* %p, i64 %i) { ; ALL-LABEL: @test68_addrspacecast_2( ; ALL-NEXT: [[PP1:%.*]] = getelementptr [[S:%.*]], %s* [[P:%.*]], i64 [[I:%.*]] ; ALL-NEXT: [[R:%.*]] = addrspacecast %s* [[PP1]] to [[S]] addrspace(1)* ; ALL-NEXT: [[L:%.*]] = load [[S]], [[S]] addrspace(1)* [[R]], align 4 ; ALL-NEXT: ret [[S]] [[L]] ; %o = mul i64 %i, 12 %q = addrspacecast %s* %p to i8 addrspace(2)* %pp = getelementptr inbounds i8, i8 addrspace(2)* %q, i64 %o %r = addrspacecast i8 addrspace(2)* %pp to %s addrspace(1)* %l = load %s, %s addrspace(1)* %r ret %s %l } define %s @test68_as1(%s addrspace(1)* %p, i32 %i) { ; ALL-LABEL: @test68_as1( ; ALL-NEXT: [[PP1:%.*]] = getelementptr [[S:%.*]], [[S]] addrspace(1)* [[P:%.*]], i32 [[I:%.*]] ; ALL-NEXT: [[L:%.*]] = load [[S]], [[S]] addrspace(1)* [[PP1]], align 4 ; ALL-NEXT: ret [[S]] [[L]] ; %o = mul i32 %i, 12 %q = bitcast %s addrspace(1)* %p to i8 addrspace(1)* %pp = getelementptr inbounds i8, i8 addrspace(1)* %q, i32 %o %r = bitcast i8 addrspace(1)* %pp to %s addrspace(1)* %l = load %s, %s addrspace(1)* %r ret %s %l } define double @test69(double *%p, i64 %i) { ; ALL-LABEL: @test69( ; ALL-NEXT: [[PP1:%.*]] = getelementptr inbounds double, double* [[P:%.*]], i64 [[I:%.*]] ; ALL-NEXT: [[L:%.*]] = load double, double* [[PP1]], align 8 ; ALL-NEXT: ret double [[L]] ; %o = shl nsw i64 %i, 3 %q = bitcast double* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i64 %o %r = bitcast i8* %pp to double* %l = load double, double* %r ret double %l } define %s @test70(%s *%p, i64 %i) { ; ALL-LABEL: @test70( ; ALL-NEXT: [[O:%.*]] = mul nsw i64 [[I:%.*]], 3 ; ALL-NEXT: [[PP1:%.*]] = getelementptr inbounds [[S:%.*]], %s* [[P:%.*]], i64 [[O]] ; ALL-NEXT: [[L:%.*]] = load [[S]], %s* [[PP1]], align 4 ; ALL-NEXT: ret [[S]] [[L]] ; %o = mul nsw i64 %i, 36 %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i64 %o %r = bitcast i8* %pp to %s* %l = load %s, %s* %r ret %s %l } define double @test71(double *%p, i64 %i) { ; ALL-LABEL: @test71( ; ALL-NEXT: [[O:%.*]] = shl i64 [[I:%.*]], 2 ; ALL-NEXT: [[PP1:%.*]] = getelementptr double, double* [[P:%.*]], i64 [[O]] ; ALL-NEXT: [[L:%.*]] = load double, double* [[PP1]], align 8 ; ALL-NEXT: ret double [[L]] ; %o = shl i64 %i, 5 %q = bitcast double* %p to i8* %pp = getelementptr i8, i8* %q, i64 %o %r = bitcast i8* %pp to double* %l = load double, double* %r ret double %l } define double @test72(double *%p, i32 %i) { ; ALL-LABEL: @test72( ; ALL-NEXT: [[O:%.*]] = sext i32 [[I:%.*]] to i64 ; ALL-NEXT: [[PP1:%.*]] = getelementptr inbounds double, double* [[P:%.*]], i64 [[O]] ; ALL-NEXT: [[L:%.*]] = load double, double* [[PP1]], align 8 ; ALL-NEXT: ret double [[L]] ; %so = shl nsw i32 %i, 3 %o = sext i32 %so to i64 %q = bitcast double* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i64 %o %r = bitcast i8* %pp to double* %l = load double, double* %r ret double %l } define double @test73(double *%p, i128 %i) { ; ALL-LABEL: @test73( ; ALL-NEXT: [[I_TR:%.*]] = trunc i128 [[I:%.*]] to i64 ; ALL-NEXT: [[PP1:%.*]] = getelementptr double, double* [[P:%.*]], i64 [[I_TR]] ; ALL-NEXT: [[L:%.*]] = load double, double* [[PP1]], align 8 ; ALL-NEXT: ret double [[L]] ; %lo = shl nsw i128 %i, 3 %o = trunc i128 %lo to i64 %q = bitcast double* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i64 %o %r = bitcast i8* %pp to double* %l = load double, double* %r ret double %l } define double @test74(double *%p, i64 %i) { ; ALL-LABEL: @test74( ; ALL-NEXT: [[PP1:%.*]] = getelementptr inbounds double, double* [[P:%.*]], i64 [[I:%.*]] ; ALL-NEXT: [[L:%.*]] = load double, double* [[PP1]], align 8 ; ALL-NEXT: ret double [[L]] ; %q = bitcast double* %p to i64* %pp = getelementptr inbounds i64, i64* %q, i64 %i %r = bitcast i64* %pp to double* %l = load double, double* %r ret double %l } define i32* @test75(i32* %p, i32 %x) { ; ALL-LABEL: @test75( ; ALL-NEXT: [[Y:%.*]] = shl i32 [[X:%.*]], 3 ; ALL-NEXT: [[Z:%.*]] = sext i32 [[Y]] to i64 ; ALL-NEXT: [[Q:%.*]] = bitcast i32* [[P:%.*]] to i8* ; ALL-NEXT: [[R:%.*]] = getelementptr i8, i8* [[Q]], i64 [[Z]] ; ALL-NEXT: [[S:%.*]] = bitcast i8* [[R]] to i32* ; ALL-NEXT: ret i32* [[S]] ; %y = shl i32 %x, 3 %z = sext i32 %y to i64 %q = bitcast i32* %p to i8* %r = getelementptr i8, i8* %q, i64 %z %s = bitcast i8* %r to i32* ret i32* %s } define %s @test76(%s *%p, i64 %i, i64 %j) { ; ALL-LABEL: @test76( ; ALL-NEXT: [[O2:%.*]] = mul i64 [[I:%.*]], [[J:%.*]] ; ALL-NEXT: [[PP1:%.*]] = getelementptr [[S:%.*]], %s* [[P:%.*]], i64 [[O2]] ; ALL-NEXT: [[L:%.*]] = load [[S]], %s* [[PP1]], align 4 ; ALL-NEXT: ret [[S]] [[L]] ; %o = mul i64 %i, 12 %o2 = mul nsw i64 %o, %j %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i64 %o2 %r = bitcast i8* %pp to %s* %l = load %s, %s* %r ret %s %l } define %s @test77(%s *%p, i64 %i, i64 %j) { ; ALL-LABEL: @test77( ; ALL-NEXT: [[O:%.*]] = mul nsw i64 [[I:%.*]], 3 ; ALL-NEXT: [[O2:%.*]] = mul nsw i64 [[O]], [[J:%.*]] ; ALL-NEXT: [[PP1:%.*]] = getelementptr inbounds [[S:%.*]], %s* [[P:%.*]], i64 [[O2]] ; ALL-NEXT: [[L:%.*]] = load [[S]], %s* [[PP1]], align 4 ; ALL-NEXT: ret [[S]] [[L]] ; %o = mul nsw i64 %i, 36 %o2 = mul nsw i64 %o, %j %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i64 %o2 %r = bitcast i8* %pp to %s* %l = load %s, %s* %r ret %s %l } define %s @test78(%s *%p, i64 %i, i64 %j, i32 %k, i32 %l, i128 %m, i128 %n) { ; ALL-LABEL: @test78( ; ALL-NEXT: [[A:%.*]] = mul nsw i32 [[K:%.*]], 3 ; ALL-NEXT: [[B:%.*]] = mul nsw i32 [[A]], [[L:%.*]] ; ALL-NEXT: [[C:%.*]] = sext i32 [[B]] to i128 ; ALL-NEXT: [[D:%.*]] = mul nsw i128 [[C]], [[M:%.*]] ; ALL-NEXT: [[E:%.*]] = mul i128 [[D]], [[N:%.*]] ; ALL-NEXT: [[F:%.*]] = trunc i128 [[E]] to i64 ; ALL-NEXT: [[G:%.*]] = mul i64 [[F]], [[I:%.*]] ; ALL-NEXT: [[H:%.*]] = mul i64 [[G]], [[J:%.*]] ; ALL-NEXT: [[PP1:%.*]] = getelementptr [[S:%.*]], %s* [[P:%.*]], i64 [[H]] ; ALL-NEXT: [[LOAD:%.*]] = load [[S]], %s* [[PP1]], align 4 ; ALL-NEXT: ret [[S]] [[LOAD]] ; %a = mul nsw i32 %k, 36 %b = mul nsw i32 %a, %l %c = sext i32 %b to i128 %d = mul nsw i128 %c, %m %e = mul i128 %d, %n %f = trunc i128 %e to i64 %g = mul nsw i64 %f, %i %h = mul nsw i64 %g, %j %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i64 %h %r = bitcast i8* %pp to %s* %load = load %s, %s* %r ret %s %load } define %s @test79(%s *%p, i64 %i, i32 %j) { ; ALL-LABEL: @test79( ; ALL-NEXT: [[TMP1:%.*]] = trunc i64 [[I:%.*]] to i32 ; ALL-NEXT: [[B:%.*]] = mul i32 [[TMP1]], 36 ; ALL-NEXT: [[C:%.*]] = mul i32 [[B]], [[J:%.*]] ; ALL-NEXT: [[Q:%.*]] = bitcast %s* [[P:%.*]] to i8* ; ALL-NEXT: [[TMP2:%.*]] = sext i32 [[C]] to i64 ; ALL-NEXT: [[PP:%.*]] = getelementptr inbounds i8, i8* [[Q]], i64 [[TMP2]] ; ALL-NEXT: [[R:%.*]] = bitcast i8* [[PP]] to %s* ; ALL-NEXT: [[L:%.*]] = load [[S:%.*]], %s* [[R]], align 4 ; ALL-NEXT: ret [[S]] [[L]] ; %a = mul nsw i64 %i, 36 %b = trunc i64 %a to i32 %c = mul i32 %b, %j %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8, i8* %q, i32 %c %r = bitcast i8* %pp to %s* %l = load %s, %s* %r ret %s %l } define double @test80([100 x double]* %p, i32 %i) { ; ALL-LABEL: @test80( ; ALL-NEXT: [[TMP1:%.*]] = sext i32 [[I:%.*]] to i64 ; ALL-NEXT: [[PP1:%.*]] = getelementptr [100 x double], [100 x double]* [[P:%.*]], i64 0, i64 [[TMP1]] ; ALL-NEXT: [[L:%.*]] = load double, double* [[PP1]], align 8 ; ALL-NEXT: ret double [[L]] ; %t = shl nsw i32 %i, 3 %q = bitcast [100 x double]* %p to i8* %pp = getelementptr i8, i8* %q, i32 %t %r = bitcast i8* %pp to double* %l = load double, double* %r ret double %l } define double @test80_addrspacecast([100 x double] addrspace(1)* %p, i32 %i) { ; ALL-LABEL: @test80_addrspacecast( ; ALL-NEXT: [[PP1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[P:%.*]], i32 0, i32 [[I:%.*]] ; ALL-NEXT: [[L:%.*]] = load double, double addrspace(1)* [[PP1]], align 8 ; ALL-NEXT: ret double [[L]] ; %t = shl nsw i32 %i, 3 %q = addrspacecast [100 x double] addrspace(1)* %p to i8 addrspace(2)* %pp = getelementptr i8, i8 addrspace(2)* %q, i32 %t %r = addrspacecast i8 addrspace(2)* %pp to double addrspace(1)* %l = load double, double addrspace(1)* %r ret double %l } define double @test80_addrspacecast_2([100 x double] addrspace(1)* %p, i32 %i) { ; ALL-LABEL: @test80_addrspacecast_2( ; ALL-NEXT: [[PP1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[P:%.*]], i32 0, i32 [[I:%.*]] ; ALL-NEXT: [[R:%.*]] = addrspacecast double addrspace(1)* [[PP1]] to double addrspace(3)* ; ALL-NEXT: [[L:%.*]] = load double, double addrspace(3)* [[R]], align 8 ; ALL-NEXT: ret double [[L]] ; %t = shl nsw i32 %i, 3 %q = addrspacecast [100 x double] addrspace(1)* %p to i8 addrspace(2)* %pp = getelementptr i8, i8 addrspace(2)* %q, i32 %t %r = addrspacecast i8 addrspace(2)* %pp to double addrspace(3)* %l = load double, double addrspace(3)* %r ret double %l } define double @test80_as1([100 x double] addrspace(1)* %p, i16 %i) { ; ALL-LABEL: @test80_as1( ; ALL-NEXT: [[TMP1:%.*]] = sext i16 [[I:%.*]] to i32 ; ALL-NEXT: [[PP1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[P:%.*]], i32 0, i32 [[TMP1]] ; ALL-NEXT: [[L:%.*]] = load double, double addrspace(1)* [[PP1]], align 8 ; ALL-NEXT: ret double [[L]] ; %t = shl nsw i16 %i, 3 %q = bitcast [100 x double] addrspace(1)* %p to i8 addrspace(1)* %pp = getelementptr i8, i8 addrspace(1)* %q, i16 %t %r = bitcast i8 addrspace(1)* %pp to double addrspace(1)* %l = load double, double addrspace(1)* %r ret double %l } define double @test81(double *%p, float %f) { ; ALL-LABEL: @test81( ; ALL-NEXT: [[I:%.*]] = fptosi float [[F:%.*]] to i64 ; ALL-NEXT: [[Q:%.*]] = bitcast double* [[P:%.*]] to i8* ; ALL-NEXT: [[PP:%.*]] = getelementptr i8, i8* [[Q]], i64 [[I]] ; ALL-NEXT: [[R:%.*]] = bitcast i8* [[PP]] to double* ; ALL-NEXT: [[L:%.*]] = load double, double* [[R]], align 8 ; ALL-NEXT: ret double [[L]] ; %i = fptosi float %f to i64 %q = bitcast double* %p to i8* %pp = getelementptr i8, i8* %q, i64 %i %r = bitcast i8* %pp to double* %l = load double, double* %r ret double %l } define i64 @test82(i64 %A) { ; ALL-LABEL: @test82( ; ALL-NEXT: [[TMP1:%.*]] = shl i64 [[A:%.*]], 1 ; ALL-NEXT: [[D:%.*]] = and i64 [[TMP1]], 4294966784 ; ALL-NEXT: ret i64 [[D]] ; %B = trunc i64 %A to i32 %C = lshr i32 %B, 8 %D = shl i32 %C, 9 %E = zext i32 %D to i64 ret i64 %E } ; PR15959 define i64 @test83(i16 %a, i64 %k) { ; ALL-LABEL: @test83( ; ALL-NEXT: [[CONV:%.*]] = sext i16 [[A:%.*]] to i32 ; ALL-NEXT: [[TMP1:%.*]] = trunc i64 [[K:%.*]] to i32 ; ALL-NEXT: [[SH_PROM:%.*]] = add i32 [[TMP1]], -1 ; ALL-NEXT: [[SHL:%.*]] = shl i32 [[CONV]], [[SH_PROM]] ; ALL-NEXT: [[SH_PROM1:%.*]] = zext i32 [[SHL]] to i64 ; ALL-NEXT: ret i64 [[SH_PROM1]] ; %conv = sext i16 %a to i32 %sub = add nsw i64 %k, -1 %sh_prom = trunc i64 %sub to i32 %shl = shl i32 %conv, %sh_prom %sh_prom1 = zext i32 %shl to i64 ret i64 %sh_prom1 } define i8 @test84(i32 %a) { ; ALL-LABEL: @test84( ; ALL-NEXT: [[ADD:%.*]] = add i32 [[A:%.*]], 2130706432 ; ALL-NEXT: [[SHR:%.*]] = lshr exact i32 [[ADD]], 23 ; ALL-NEXT: [[TRUNC:%.*]] = trunc i32 [[SHR]] to i8 ; ALL-NEXT: ret i8 [[TRUNC]] ; %add = add nsw i32 %a, -16777216 %shr = lshr exact i32 %add, 23 %trunc = trunc i32 %shr to i8 ret i8 %trunc } define i8 @test85(i32 %a) { ; ALL-LABEL: @test85( ; ALL-NEXT: [[ADD:%.*]] = add i32 [[A:%.*]], 2130706432 ; ALL-NEXT: [[SHR:%.*]] = lshr exact i32 [[ADD]], 23 ; ALL-NEXT: [[TRUNC:%.*]] = trunc i32 [[SHR]] to i8 ; ALL-NEXT: ret i8 [[TRUNC]] ; %add = add nuw i32 %a, -16777216 %shr = lshr exact i32 %add, 23 %trunc = trunc i32 %shr to i8 ret i8 %trunc } define i16 @test86(i16 %v) { ; ALL-LABEL: @test86( ; ALL-NEXT: [[TMP1:%.*]] = ashr i16 [[V:%.*]], 4 ; ALL-NEXT: ret i16 [[TMP1]] ; %a = sext i16 %v to i32 %s = ashr i32 %a, 4 %t = trunc i32 %s to i16 ret i16 %t } define i16 @test87(i16 %v) { ; ALL-LABEL: @test87( ; ALL-NEXT: [[TMP1:%.*]] = ashr i16 [[V:%.*]], 12 ; ALL-NEXT: ret i16 [[TMP1]] ; %c = sext i16 %v to i32 %m = mul nsw i32 %c, 16 %a = ashr i32 %m, 16 %t = trunc i32 %a to i16 ret i16 %t } define i16 @test88(i16 %v) { ; ALL-LABEL: @test88( ; ALL-NEXT: [[TMP1:%.*]] = ashr i16 [[V:%.*]], 15 ; ALL-NEXT: ret i16 [[TMP1]] ; %a = sext i16 %v to i32 %s = ashr i32 %a, 18 %t = trunc i32 %s to i16 ret i16 %t } define i32 @PR21388(i32* %v) { ; ALL-LABEL: @PR21388( ; ALL-NEXT: [[ICMP:%.*]] = icmp slt i32* [[V:%.*]], null ; ALL-NEXT: [[SEXT:%.*]] = sext i1 [[ICMP]] to i32 ; ALL-NEXT: ret i32 [[SEXT]] ; %icmp = icmp slt i32* %v, null %sext = sext i1 %icmp to i32 ret i32 %sext } define float @sitofp_zext(i16 %a) { ; ALL-LABEL: @sitofp_zext( ; ALL-NEXT: [[SITOFP:%.*]] = uitofp i16 [[A:%.*]] to float ; ALL-NEXT: ret float [[SITOFP]] ; %zext = zext i16 %a to i32 %sitofp = sitofp i32 %zext to float ret float %sitofp } define i1 @PR23309(i32 %A, i32 %B) { ; ALL-LABEL: @PR23309( ; ALL-NEXT: [[SUB:%.*]] = sub i32 [[A:%.*]], [[B:%.*]] ; ALL-NEXT: [[TMP1:%.*]] = and i32 [[SUB]], 1 ; ALL-NEXT: [[TRUNC:%.*]] = icmp ne i32 [[TMP1]], 0 ; ALL-NEXT: ret i1 [[TRUNC]] ; %add = add i32 %A, -4 %sub = sub nsw i32 %add, %B %trunc = trunc i32 %sub to i1 ret i1 %trunc } define i1 @PR23309v2(i32 %A, i32 %B) { ; ALL-LABEL: @PR23309v2( ; ALL-NEXT: [[SUB:%.*]] = add i32 [[A:%.*]], [[B:%.*]] ; ALL-NEXT: [[TMP1:%.*]] = and i32 [[SUB]], 1 ; ALL-NEXT: [[TRUNC:%.*]] = icmp ne i32 [[TMP1]], 0 ; ALL-NEXT: ret i1 [[TRUNC]] ; %add = add i32 %A, -4 %sub = add nuw i32 %add, %B %trunc = trunc i32 %sub to i1 ret i1 %trunc } define i16 @PR24763(i8 %V) { ; ALL-LABEL: @PR24763( ; ALL-NEXT: [[TMP1:%.*]] = ashr i8 [[V:%.*]], 1 ; ALL-NEXT: [[T:%.*]] = sext i8 [[TMP1]] to i16 ; ALL-NEXT: ret i16 [[T]] ; %conv = sext i8 %V to i32 %l = lshr i32 %conv, 1 %t = trunc i32 %l to i16 ret i16 %t } define i64 @PR28745() { ; BE-LABEL: @PR28745( ; BE-NEXT: ret i64 1 ; ; LE-LABEL: @PR28745( ; LE-NEXT: ret i64 0 ; %b = zext i32 extractvalue ({ i32 } select (i1 icmp eq (i16 extractelement (<2 x i16> bitcast (<1 x i32> to <2 x i16>), i32 0), i16 0), { i32 } { i32 1 }, { i32 } zeroinitializer), 0) to i64 ret i64 %b } define i32 @test89() { ; BE-LABEL: @test89( ; BE-NEXT: ret i32 393216 ; ; LE-LABEL: @test89( ; LE-NEXT: ret i32 6 ; ret i32 bitcast (<2 x i16> to i32) } define <2 x i32> @test90() { ; BE-LABEL: @test90( ; BE-NEXT: ret <2 x i32> ; ; LE-LABEL: @test90( ; LE-NEXT: ret <2 x i32> ; %t6 = bitcast <4 x half> to <2 x i32> ret <2 x i32> %t6 } ; Do not optimize to ashr i64 (shift by 48 > 96 - 64) define i64 @test91(i64 %A) { ; ALL-LABEL: @test91( ; ALL-NEXT: [[B:%.*]] = sext i64 [[A:%.*]] to i96 ; ALL-NEXT: [[C:%.*]] = lshr i96 [[B]], 48 ; ALL-NEXT: [[D:%.*]] = trunc i96 [[C]] to i64 ; ALL-NEXT: ret i64 [[D]] ; %B = sext i64 %A to i96 %C = lshr i96 %B, 48 %D = trunc i96 %C to i64 ret i64 %D } ; Do optimize to ashr i64 (shift by 32 <= 96 - 64) define i64 @test92(i64 %A) { ; ALL-LABEL: @test92( ; ALL-NEXT: [[TMP1:%.*]] = ashr i64 [[A:%.*]], 32 ; ALL-NEXT: ret i64 [[TMP1]] ; %B = sext i64 %A to i96 %C = lshr i96 %B, 32 %D = trunc i96 %C to i64 ret i64 %D } ; When optimizing to ashr i32, don't shift by more than 31. define i32 @test93(i32 %A) { ; ALL-LABEL: @test93( ; ALL-NEXT: [[TMP1:%.*]] = ashr i32 [[A:%.*]], 31 ; ALL-NEXT: ret i32 [[TMP1]] ; %B = sext i32 %A to i96 %C = lshr i96 %B, 64 %D = trunc i96 %C to i32 ret i32 %D } define i8 @trunc_lshr_sext(i8 %A) { ; ALL-LABEL: @trunc_lshr_sext( ; ALL-NEXT: [[D:%.*]] = ashr i8 [[A:%.*]], 6 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i8 %A to i32 %C = lshr i32 %B, 6 %D = trunc i32 %C to i8 ret i8 %D } define i8 @trunc_lshr_sext_exact(i8 %A) { ; ALL-LABEL: @trunc_lshr_sext_exact( ; ALL-NEXT: [[D:%.*]] = ashr exact i8 [[A:%.*]], 6 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i8 %A to i32 %C = lshr exact i32 %B, 6 %D = trunc i32 %C to i8 ret i8 %D } define <2 x i8> @trunc_lshr_sext_uniform(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_sext_uniform( ; ALL-NEXT: [[D:%.*]] = ashr <2 x i8> [[A:%.*]], ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define <2 x i8> @trunc_lshr_sext_uniform_undef(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_sext_uniform_undef( ; ALL-NEXT: [[D:%.*]] = ashr <2 x i8> [[A:%.*]], ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define <2 x i8> @trunc_lshr_sext_nonuniform(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_sext_nonuniform( ; ALL-NEXT: [[D:%.*]] = ashr <2 x i8> [[A:%.*]], ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define <3 x i8> @trunc_lshr_sext_nonuniform_undef(<3 x i8> %A) { ; ALL-LABEL: @trunc_lshr_sext_nonuniform_undef( ; ALL-NEXT: [[D:%.*]] = ashr <3 x i8> [[A:%.*]], ; ALL-NEXT: ret <3 x i8> [[D]] ; %B = sext <3 x i8> %A to <3 x i32> %C = lshr <3 x i32> %B, %D = trunc <3 x i32> %C to <3 x i8> ret <3 x i8> %D } define <2 x i8> @trunc_lshr_sext_uses1(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_sext_uses1( ; ALL-NEXT: [[B:%.*]] = sext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[B]]) ; ALL-NEXT: [[D:%.*]] = ashr <2 x i8> [[A]], ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> call void @use_v2i32(<2 x i32> %B) %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define i8 @trunc_lshr_sext_uses2(i8 %A) { ; ALL-LABEL: @trunc_lshr_sext_uses2( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i32 ; ALL-NEXT: [[C:%.*]] = lshr i32 [[B]], 6 ; ALL-NEXT: call void @use_i32(i32 [[C]]) ; ALL-NEXT: [[D:%.*]] = ashr i8 [[A]], 6 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i8 %A to i32 %C = lshr i32 %B, 6 call void @use_i32(i32 %C) %D = trunc i32 %C to i8 ret i8 %D } define <2 x i8> @trunc_lshr_sext_uses3(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_sext_uses3( ; ALL-NEXT: [[B:%.*]] = sext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[C]]) ; ALL-NEXT: [[D:%.*]] = ashr <2 x i8> [[A]], ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8 >%A to <2 x i32> call void @use_v2i32(<2 x i32> %B) %C = lshr <2 x i32> %B, call void @use_v2i32(<2 x i32> %C) %D = trunc <2 x i32 >%C to <2 x i8> ret <2 x i8> %D } define <2 x i8> @trunc_lshr_overshift_sext(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext( ; ALL-NEXT: [[D:%.*]] = ashr <2 x i8> [[A:%.*]], ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define i8 @trunc_lshr_overshift_sext_uses1(i8 %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_uses1( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i32 ; ALL-NEXT: call void @use_i32(i32 [[B]]) ; ALL-NEXT: [[D:%.*]] = ashr i8 [[A]], 7 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i8 %A to i32 call void @use_i32(i32 %B) %C = lshr i32 %B, 8 %D = trunc i32 %C to i8 ret i8 %D } define <2 x i8> @trunc_lshr_overshift_sext_uses2(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_uses2( ; ALL-NEXT: [[B:%.*]] = sext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[C]]) ; ALL-NEXT: [[D:%.*]] = ashr <2 x i8> [[A]], ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, call void @use_v2i32(<2 x i32> %C) %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define i8 @trunc_lshr_overshift_sext_uses3(i8 %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_uses3( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i32 ; ALL-NEXT: call void @use_i32(i32 [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr i32 [[B]], 8 ; ALL-NEXT: call void @use_i32(i32 [[C]]) ; ALL-NEXT: [[D:%.*]] = ashr i8 [[A]], 7 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i8 %A to i32 call void @use_i32(i32 %B) %C = lshr i32 %B, 8 call void @use_i32(i32 %C) %D = trunc i32 %C to i8 ret i8 %D } define i8 @trunc_lshr_sext_wide_input(i16 %A) { ; ALL-LABEL: @trunc_lshr_sext_wide_input( ; ALL-NEXT: [[TMP1:%.*]] = ashr i16 [[A:%.*]], 9 ; ALL-NEXT: [[D:%.*]] = trunc i16 [[TMP1]] to i8 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i16 %A to i32 %C = lshr i32 %B, 9 %D = trunc i32 %C to i8 ret i8 %D } define i8 @trunc_lshr_sext_wide_input_exact(i16 %A) { ; ALL-LABEL: @trunc_lshr_sext_wide_input_exact( ; ALL-NEXT: [[TMP1:%.*]] = ashr exact i16 [[A:%.*]], 9 ; ALL-NEXT: [[D:%.*]] = trunc i16 [[TMP1]] to i8 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i16 %A to i32 %C = lshr exact i32 %B, 9 %D = trunc i32 %C to i8 ret i8 %D } define <2 x i8> @trunc_lshr_sext_wide_input_uses1(<2 x i16> %A) { ; ALL-LABEL: @trunc_lshr_sext_wide_input_uses1( ; ALL-NEXT: [[B:%.*]] = sext <2 x i16> [[A:%.*]] to <2 x i32> ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[B]]) ; ALL-NEXT: [[TMP1:%.*]] = ashr <2 x i16> [[A]], ; ALL-NEXT: [[D:%.*]] = trunc <2 x i16> [[TMP1]] to <2 x i8> ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i16> %A to <2 x i32> call void @use_v2i32(<2 x i32> %B) %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define i8 @trunc_lshr_sext_wide_input_uses2(i16 %A) { ; ALL-LABEL: @trunc_lshr_sext_wide_input_uses2( ; ALL-NEXT: [[B:%.*]] = sext i16 [[A:%.*]] to i32 ; ALL-NEXT: [[C:%.*]] = lshr i32 [[B]], 9 ; ALL-NEXT: call void @use_i32(i32 [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc i32 [[C]] to i8 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i16 %A to i32 %C = lshr i32 %B, 9 call void @use_i32(i32 %C) %D = trunc i32 %C to i8 ret i8 %D } define <2 x i8> @trunc_lshr_sext_wide_input_uses3(<2 x i16> %A) { ; ALL-LABEL: @trunc_lshr_sext_wide_input_uses3( ; ALL-NEXT: [[B:%.*]] = sext <2 x i16> [[A:%.*]] to <2 x i32> ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc <2 x i32> [[C]] to <2 x i8> ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i16 >%A to <2 x i32> call void @use_v2i32(<2 x i32> %B) %C = lshr <2 x i32> %B, call void @use_v2i32(<2 x i32> %C) %D = trunc <2 x i32 >%C to <2 x i8> ret <2 x i8> %D } define <2 x i8> @trunc_lshr_overshift_wide_input_sext(<2 x i16> %A) { ; ALL-LABEL: @trunc_lshr_overshift_wide_input_sext( ; ALL-NEXT: [[TMP1:%.*]] = ashr <2 x i16> [[A:%.*]], ; ALL-NEXT: [[D:%.*]] = trunc <2 x i16> [[TMP1]] to <2 x i8> ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i16> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define i8 @trunc_lshr_overshift_sext_wide_input_uses1(i16 %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_wide_input_uses1( ; ALL-NEXT: [[B:%.*]] = sext i16 [[A:%.*]] to i32 ; ALL-NEXT: call void @use_i32(i32 [[B]]) ; ALL-NEXT: [[TMP1:%.*]] = ashr i16 [[A]], 15 ; ALL-NEXT: [[D:%.*]] = trunc i16 [[TMP1]] to i8 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i16 %A to i32 call void @use_i32(i32 %B) %C = lshr i32 %B, 16 %D = trunc i32 %C to i8 ret i8 %D } define <2 x i8> @trunc_lshr_overshift_sext_wide_input_uses2(<2 x i16> %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_wide_input_uses2( ; ALL-NEXT: [[TMP1:%.*]] = ashr <2 x i16> [[A:%.*]], ; ALL-NEXT: [[C:%.*]] = zext <2 x i16> [[TMP1]] to <2 x i32> ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc <2 x i16> [[TMP1]] to <2 x i8> ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i16> %A to <2 x i32> %C = lshr <2 x i32> %B, call void @use_v2i32(<2 x i32> %C) %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define i8 @trunc_lshr_overshift_sext_wide_input_uses3(i16 %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_wide_input_uses3( ; ALL-NEXT: [[B:%.*]] = sext i16 [[A:%.*]] to i32 ; ALL-NEXT: call void @use_i32(i32 [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr i32 [[B]], 16 ; ALL-NEXT: call void @use_i32(i32 [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc i32 [[C]] to i8 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i16 %A to i32 call void @use_i32(i32 %B) %C = lshr i32 %B, 16 call void @use_i32(i32 %C) %D = trunc i32 %C to i8 ret i8 %D } define i16 @trunc_lshr_sext_narrow_input(i8 %A) { ; ALL-LABEL: @trunc_lshr_sext_narrow_input( ; ALL-NEXT: [[TMP1:%.*]] = ashr i8 [[A:%.*]], 6 ; ALL-NEXT: [[D:%.*]] = sext i8 [[TMP1]] to i16 ; ALL-NEXT: ret i16 [[D]] ; %B = sext i8 %A to i32 %C = lshr i32 %B, 6 %D = trunc i32 %C to i16 ret i16 %D } define <2 x i16> @trunc_lshr_sext_narrow_input_uses1(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_sext_narrow_input_uses1( ; ALL-NEXT: [[B:%.*]] = sext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[B]]) ; ALL-NEXT: [[TMP1:%.*]] = ashr <2 x i8> [[A]], ; ALL-NEXT: [[D:%.*]] = sext <2 x i8> [[TMP1]] to <2 x i16> ; ALL-NEXT: ret <2 x i16> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> call void @use_v2i32(<2 x i32> %B) %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i16> ret <2 x i16> %D } define i16 @trunc_lshr_sext_narrow_input_uses2(i8 %A) { ; ALL-LABEL: @trunc_lshr_sext_narrow_input_uses2( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i32 ; ALL-NEXT: [[C:%.*]] = lshr i32 [[B]], 6 ; ALL-NEXT: call void @use_i32(i32 [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc i32 [[C]] to i16 ; ALL-NEXT: ret i16 [[D]] ; %B = sext i8 %A to i32 %C = lshr i32 %B, 6 call void @use_i32(i32 %C) %D = trunc i32 %C to i16 ret i16 %D } define <2 x i16> @trunc_lshr_sext_narrow_input_uses3(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_sext_narrow_input_uses3( ; ALL-NEXT: [[B:%.*]] = sext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc <2 x i32> [[C]] to <2 x i16> ; ALL-NEXT: ret <2 x i16> [[D]] ; %B = sext <2 x i8 >%A to <2 x i32> call void @use_v2i32(<2 x i32> %B) %C = lshr <2 x i32> %B, call void @use_v2i32(<2 x i32> %C) %D = trunc <2 x i32 >%C to <2 x i16> ret <2 x i16> %D } define <2 x i16> @trunc_lshr_overshift_narrow_input_sext(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_overshift_narrow_input_sext( ; ALL-NEXT: [[TMP1:%.*]] = ashr <2 x i8> [[A:%.*]], ; ALL-NEXT: [[D:%.*]] = sext <2 x i8> [[TMP1]] to <2 x i16> ; ALL-NEXT: ret <2 x i16> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i16> ret <2 x i16> %D } define i16 @trunc_lshr_overshift_sext_narrow_input_uses1(i8 %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_narrow_input_uses1( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i32 ; ALL-NEXT: call void @use_i32(i32 [[B]]) ; ALL-NEXT: [[TMP1:%.*]] = ashr i8 [[A]], 7 ; ALL-NEXT: [[D:%.*]] = sext i8 [[TMP1]] to i16 ; ALL-NEXT: ret i16 [[D]] ; %B = sext i8 %A to i32 call void @use_i32(i32 %B) %C = lshr i32 %B, 8 %D = trunc i32 %C to i16 ret i16 %D } define <2 x i16> @trunc_lshr_overshift_sext_narrow_input_uses2(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_narrow_input_uses2( ; ALL-NEXT: [[B:%.*]] = sext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc <2 x i32> [[C]] to <2 x i16> ; ALL-NEXT: ret <2 x i16> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, call void @use_v2i32(<2 x i32> %C) %D = trunc <2 x i32> %C to <2 x i16> ret <2 x i16> %D } define i16 @trunc_lshr_overshift_sext_narrow_input_uses3(i8 %A) { ; ALL-LABEL: @trunc_lshr_overshift_sext_narrow_input_uses3( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i32 ; ALL-NEXT: call void @use_i32(i32 [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr i32 [[B]], 8 ; ALL-NEXT: call void @use_i32(i32 [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc i32 [[C]] to i16 ; ALL-NEXT: ret i16 [[D]] ; %B = sext i8 %A to i32 call void @use_i32(i32 %B) %C = lshr i32 %B, 8 call void @use_i32(i32 %C) %D = trunc i32 %C to i16 ret i16 %D } define <2 x i8> @trunc_lshr_overshift2_sext(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_overshift2_sext( ; ALL-NEXT: [[B:%.*]] = sext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: [[D:%.*]] = trunc <2 x i32> [[C]] to <2 x i8> ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define i8 @trunc_lshr_overshift2_sext_uses1(i8 %A) { ; ALL-LABEL: @trunc_lshr_overshift2_sext_uses1( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i32 ; ALL-NEXT: call void @use_i32(i32 [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr i32 [[B]], 25 ; ALL-NEXT: [[D:%.*]] = trunc i32 [[C]] to i8 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i8 %A to i32 call void @use_i32(i32 %B) %C = lshr i32 %B, 25 %D = trunc i32 %C to i8 ret i8 %D } define <2 x i8> @trunc_lshr_overshift2_sext_uses2(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_overshift2_sext_uses2( ; ALL-NEXT: [[B:%.*]] = sext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc <2 x i32> [[C]] to <2 x i8> ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = sext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, call void @use_v2i32(<2 x i32> %C) %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define i8 @trunc_lshr_overshift2_sext_uses3(i8 %A) { ; ALL-LABEL: @trunc_lshr_overshift2_sext_uses3( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i32 ; ALL-NEXT: call void @use_i32(i32 [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr i32 [[B]], 25 ; ALL-NEXT: call void @use_i32(i32 [[C]]) ; ALL-NEXT: [[D:%.*]] = trunc i32 [[C]] to i8 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i8 %A to i32 call void @use_i32(i32 %B) %C = lshr i32 %B, 25 call void @use_i32(i32 %C) %D = trunc i32 %C to i8 ret i8 %D } define i8 @trunc_lshr_zext(i8 %A) { ; ALL-LABEL: @trunc_lshr_zext( ; ALL-NEXT: [[TMP1:%.*]] = lshr i8 [[A:%.*]], 6 ; ALL-NEXT: ret i8 [[TMP1]] ; %B = zext i8 %A to i32 %C = lshr i32 %B, 6 %D = trunc i32 %C to i8 ret i8 %D } define i8 @trunc_lshr_zext_exact(i8 %A) { ; ALL-LABEL: @trunc_lshr_zext_exact( ; ALL-NEXT: [[TMP1:%.*]] = lshr i8 [[A:%.*]], 6 ; ALL-NEXT: ret i8 [[TMP1]] ; %B = zext i8 %A to i32 %C = lshr exact i32 %B, 6 %D = trunc i32 %C to i8 ret i8 %D } define <2 x i8> @trunc_lshr_zext_uniform(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_zext_uniform( ; ALL-NEXT: [[TMP1:%.*]] = lshr <2 x i8> [[A:%.*]], ; ALL-NEXT: ret <2 x i8> [[TMP1]] ; %B = zext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define <2 x i8> @trunc_lshr_zext_uniform_undef(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_zext_uniform_undef( ; ALL-NEXT: [[B:%.*]] = zext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: [[C:%.*]] = lshr <2 x i32> [[B]], ; ALL-NEXT: [[D:%.*]] = trunc <2 x i32> [[C]] to <2 x i8> ; ALL-NEXT: ret <2 x i8> [[D]] ; %B = zext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define <2 x i8> @trunc_lshr_zext_nonuniform(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_zext_nonuniform( ; ALL-NEXT: [[C:%.*]] = lshr <2 x i8> [[A:%.*]], ; ALL-NEXT: ret <2 x i8> [[C]] ; %B = zext <2 x i8> %A to <2 x i32> %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } define <3 x i8> @trunc_lshr_zext_nonuniform_undef(<3 x i8> %A) { ; ALL-LABEL: @trunc_lshr_zext_nonuniform_undef( ; ALL-NEXT: [[B:%.*]] = zext <3 x i8> [[A:%.*]] to <3 x i32> ; ALL-NEXT: [[C:%.*]] = lshr <3 x i32> [[B]], ; ALL-NEXT: [[D:%.*]] = trunc <3 x i32> [[C]] to <3 x i8> ; ALL-NEXT: ret <3 x i8> [[D]] ; %B = zext <3 x i8> %A to <3 x i32> %C = lshr <3 x i32> %B, %D = trunc <3 x i32> %C to <3 x i8> ret <3 x i8> %D } define <2 x i8> @trunc_lshr_zext_uses1(<2 x i8> %A) { ; ALL-LABEL: @trunc_lshr_zext_uses1( ; ALL-NEXT: [[B:%.*]] = zext <2 x i8> [[A:%.*]] to <2 x i32> ; ALL-NEXT: call void @use_v2i32(<2 x i32> [[B]]) ; ALL-NEXT: [[C:%.*]] = lshr <2 x i8> [[A]], ; ALL-NEXT: ret <2 x i8> [[C]] ; %B = zext <2 x i8> %A to <2 x i32> call void @use_v2i32(<2 x i32> %B) %C = lshr <2 x i32> %B, %D = trunc <2 x i32> %C to <2 x i8> ret <2 x i8> %D } ; The following four tests sext + lshr + trunc patterns. ; PR33078 define i8 @pr33078_1(i8 %A) { ; ALL-LABEL: @pr33078_1( ; ALL-NEXT: [[TMP1:%.*]] = ashr i8 [[A:%.*]], 7 ; ALL-NEXT: ret i8 [[TMP1]] ; %B = sext i8 %A to i16 %C = lshr i16 %B, 8 %D = trunc i16 %C to i8 ret i8 %D } define i12 @pr33078_2(i8 %A) { ; ALL-LABEL: @pr33078_2( ; ALL-NEXT: [[TMP1:%.*]] = ashr i8 [[A:%.*]], 4 ; ALL-NEXT: [[D:%.*]] = sext i8 [[TMP1]] to i12 ; ALL-NEXT: ret i12 [[D]] ; %B = sext i8 %A to i16 %C = lshr i16 %B, 4 %D = trunc i16 %C to i12 ret i12 %D } define i4 @pr33078_3(i8 %A) { ; ALL-LABEL: @pr33078_3( ; ALL-NEXT: [[B:%.*]] = sext i8 [[A:%.*]] to i16 ; ALL-NEXT: [[C:%.*]] = lshr i16 [[B]], 12 ; ALL-NEXT: [[D:%.*]] = trunc i16 [[C]] to i4 ; ALL-NEXT: ret i4 [[D]] ; %B = sext i8 %A to i16 %C = lshr i16 %B, 12 %D = trunc i16 %C to i4 ret i4 %D } define i8 @pr33078_4(i3 %x) { ; Don't turn this in an `ashr`. This was getting miscompiled ; ALL-LABEL: @pr33078_4( ; ALL-NEXT: [[B:%.*]] = sext i3 [[X:%.*]] to i16 ; ALL-NEXT: [[C:%.*]] = lshr i16 [[B]], 13 ; ALL-NEXT: [[D:%.*]] = trunc i16 [[C]] to i8 ; ALL-NEXT: ret i8 [[D]] ; %B = sext i3 %x to i16 %C = lshr i16 %B, 13 %D = trunc i16 %C to i8 ret i8 %D } ; (sext (xor (cmp), -1)) -> (sext (!cmp)) define i64 @test94(i32 %a) { ; ALL-LABEL: @test94( ; ALL-NEXT: [[TMP1:%.*]] = icmp ne i32 [[A:%.*]], -2 ; ALL-NEXT: [[TMP2:%.*]] = sext i1 [[TMP1]] to i64 ; ALL-NEXT: ret i64 [[TMP2]] ; %1 = icmp eq i32 %a, -2 %2 = sext i1 %1 to i8 %3 = xor i8 %2, -1 %4 = sext i8 %3 to i64 ret i64 %4 } ; We should be able to remove the zext and trunc here. define i32 @test95(i32 %x) { ; ALL-LABEL: @test95( ; ALL-NEXT: [[TMP1:%.*]] = lshr i32 [[X:%.*]], 6 ; ALL-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], 2 ; ALL-NEXT: [[TMP3:%.*]] = or i32 [[TMP2]], 40 ; ALL-NEXT: ret i32 [[TMP3]] ; %1 = trunc i32 %x to i8 %2 = lshr i8 %1, 6 %3 = and i8 %2, 2 %4 = or i8 %3, 40 %5 = zext i8 %4 to i32 ret i32 %5 }