; RUN: opt -S -dse < %s | FileCheck %s target datalayout = "E-m:e-i64:64-n32:64" target triple = "powerpc64-bgq-linux" %"struct.std::complex" = type { { float, float } } define void @_Z4testSt7complexIfE(%"struct.std::complex"* noalias nocapture sret %agg.result, i64 %c.coerce) { entry: ; CHECK-LABEL: @_Z4testSt7complexIfE %ref.tmp = alloca i64, align 8 %tmpcast = bitcast i64* %ref.tmp to %"struct.std::complex"* %c.sroa.0.0.extract.shift = lshr i64 %c.coerce, 32 %c.sroa.0.0.extract.trunc = trunc i64 %c.sroa.0.0.extract.shift to i32 %0 = bitcast i32 %c.sroa.0.0.extract.trunc to float %c.sroa.2.0.extract.trunc = trunc i64 %c.coerce to i32 %1 = bitcast i32 %c.sroa.2.0.extract.trunc to float call void @_Z3barSt7complexIfE(%"struct.std::complex"* nonnull sret %tmpcast, i64 %c.coerce) %2 = bitcast %"struct.std::complex"* %agg.result to i64* %3 = load i64, i64* %ref.tmp, align 8 store i64 %3, i64* %2, align 4 ; CHECK-NOT: store i64 %_M_value.realp.i.i = getelementptr inbounds %"struct.std::complex", %"struct.std::complex"* %agg.result, i64 0, i32 0, i32 0 %4 = lshr i64 %3, 32 %5 = trunc i64 %4 to i32 %6 = bitcast i32 %5 to float %_M_value.imagp.i.i = getelementptr inbounds %"struct.std::complex", %"struct.std::complex"* %agg.result, i64 0, i32 0, i32 1 %7 = trunc i64 %3 to i32 %8 = bitcast i32 %7 to float %mul_ad.i.i = fmul fast float %6, %1 %mul_bc.i.i = fmul fast float %8, %0 %mul_i.i.i = fadd fast float %mul_ad.i.i, %mul_bc.i.i %mul_ac.i.i = fmul fast float %6, %0 %mul_bd.i.i = fmul fast float %8, %1 %mul_r.i.i = fsub fast float %mul_ac.i.i, %mul_bd.i.i store float %mul_r.i.i, float* %_M_value.realp.i.i, align 4 store float %mul_i.i.i, float* %_M_value.imagp.i.i, align 4 ret void ; CHECK: ret void } declare void @_Z3barSt7complexIfE(%"struct.std::complex"* sret, i64) define void @test1(i32 *%ptr) { entry: ; CHECK-LABEL: @test1 store i32 5, i32* %ptr %bptr = bitcast i32* %ptr to i8* store i8 7, i8* %bptr %wptr = bitcast i32* %ptr to i16* store i16 -30062, i16* %wptr %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 store i8 25, i8* %bptr2 %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 store i8 47, i8* %bptr3 %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 %wptrp = bitcast i8* %bptr1 to i16* store i16 2020, i16* %wptrp, align 1 ret void ; CHECK-NOT: store i32 5, i32* %ptr ; CHECK-NOT: store i8 7, i8* %bptr ; CHECK: store i16 -30062, i16* %wptr ; CHECK-NOT: store i8 25, i8* %bptr2 ; CHECK: store i8 47, i8* %bptr3 ; CHECK: store i16 2020, i16* %wptrp, align 1 ; CHECK: ret void } define void @test2(i32 *%ptr) { entry: ; CHECK-LABEL: @test2 store i32 5, i32* %ptr %bptr = bitcast i32* %ptr to i8* %bptrm1 = getelementptr inbounds i8, i8* %bptr, i64 -1 %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 %wptr = bitcast i8* %bptr to i16* %wptrm1 = bitcast i8* %bptrm1 to i16* %wptr1 = bitcast i8* %bptr1 to i16* %wptr2 = bitcast i8* %bptr2 to i16* %wptr3 = bitcast i8* %bptr3 to i16* store i16 1456, i16* %wptrm1, align 1 store i16 1346, i16* %wptr, align 1 store i16 1756, i16* %wptr1, align 1 store i16 1126, i16* %wptr2, align 1 store i16 5656, i16* %wptr3, align 1 ; CHECK-NOT: store i32 5, i32* %ptr ; CHECK: store i16 1456, i16* %wptrm1, align 1 ; CHECK: store i16 1346, i16* %wptr, align 1 ; CHECK: store i16 1756, i16* %wptr1, align 1 ; CHECK: store i16 1126, i16* %wptr2, align 1 ; CHECK: store i16 5656, i16* %wptr3, align 1 ret void ; CHECK: ret void } define signext i8 @test3(i32 *%ptr) { entry: ; CHECK-LABEL: @test3 store i32 5, i32* %ptr %bptr = bitcast i32* %ptr to i8* %bptrm1 = getelementptr inbounds i8, i8* %bptr, i64 -1 %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 %wptr = bitcast i8* %bptr to i16* %wptrm1 = bitcast i8* %bptrm1 to i16* %wptr1 = bitcast i8* %bptr1 to i16* %wptr2 = bitcast i8* %bptr2 to i16* %wptr3 = bitcast i8* %bptr3 to i16* %v = load i8, i8* %bptr, align 1 store i16 1456, i16* %wptrm1, align 1 store i16 1346, i16* %wptr, align 1 store i16 1756, i16* %wptr1, align 1 store i16 1126, i16* %wptr2, align 1 store i16 5656, i16* %wptr3, align 1 ; CHECK: store i32 5, i32* %ptr ret i8 %v ; CHECK: ret i8 %v } %struct.foostruct = type { i32 (i8*, i8**, i32, i8, i8*)*, i32 (i8*, i8**, i32, i8, i8*)*, i32 (i8*, i8**, i32, i8, i8*)*, i32 (i8*, i8**, i32, i8, i8*)*, void (i8*, i32, i32)* } declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) declare void @goFunc(%struct.foostruct*) declare i32 @fa(i8*, i8**, i32, i8, i8*) define void @test4() { entry: ; CHECK-LABEL: @test4 %bang = alloca %struct.foostruct, align 8 %v1 = bitcast %struct.foostruct* %bang to i8* call void @llvm.memset.p0i8.i64(i8* %v1, i8 0, i64 40, i32 8, i1 false) %v2 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 0 store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v2, align 8 %v3 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 1 store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v3, align 8 %v4 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 2 store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v4, align 8 %v5 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 3 store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v5, align 8 %v6 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 4 store void (i8*, i32, i32)* null, void (i8*, i32, i32)** %v6, align 8 call void @goFunc(%struct.foostruct* %bang) ret void ; CHECK-NOT: memset ; CHECK: ret void } define signext i8 @test5(i32 *%ptr) { entry: ; CHECK-LABEL: @test5 store i32 0, i32* %ptr %bptr = bitcast i32* %ptr to i8* %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 %wptr = bitcast i8* %bptr to i16* %wptr1 = bitcast i8* %bptr1 to i16* %wptr2 = bitcast i8* %bptr2 to i16* store i16 65535, i16* %wptr2, align 1 store i16 1456, i16* %wptr1, align 1 store i16 1346, i16* %wptr, align 1 ; CHECK-NOT: store i32 0, i32* %ptr ret i8 0 } define signext i8 @test6(i32 *%ptr) { entry: ; CHECK-LABEL: @test6 store i32 0, i32* %ptr %bptr = bitcast i32* %ptr to i16* %bptr1 = getelementptr inbounds i16, i16* %bptr, i64 0 %bptr2 = getelementptr inbounds i16, i16* %bptr, i64 1 store i16 1456, i16* %bptr2, align 1 store i16 65535, i16* %bptr1, align 1 ; CHECK-NOT: store i32 0, i32* %ptr ret i8 0 } define signext i8 @test7(i64 *%ptr) { entry: ; CHECK-LABEL: @test7 store i64 0, i64* %ptr %bptr = bitcast i64* %ptr to i16* %bptr1 = getelementptr inbounds i16, i16* %bptr, i64 0 %bptr2 = getelementptr inbounds i16, i16* %bptr, i64 1 %bptr3 = getelementptr inbounds i16, i16* %bptr, i64 2 %bptr4 = getelementptr inbounds i16, i16* %bptr, i64 3 store i16 1346, i16* %bptr1, align 1 store i16 1756, i16* %bptr3, align 1 store i16 1456, i16* %bptr2, align 1 store i16 5656, i16* %bptr4, align 1 ; CHECK-NOT: store i64 0, i64* %ptr ret i8 0 }