; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -fast-isel-sink-local-values < %s -fast-isel -mtriple=i686-unknown-unknown -mattr=+bmi | FileCheck %s --check-prefix=X32 ; RUN: llc -fast-isel-sink-local-values < %s -fast-isel -mtriple=x86_64-unknown-unknown -mattr=+bmi | FileCheck %s --check-prefix=X64 ; NOTE: This should use IR equivalent to what is generated by clang/test/CodeGen/bmi-builtins.c ; ; AMD Intrinsics ; define i16 @test__tzcnt_u16(i16 %a0) { ; X32-LABEL: test__tzcnt_u16: ; X32: # %bb.0: ; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movzwl %ax, %ecx ; X32-NEXT: cmpl $0, %ecx ; X32-NEXT: jne .LBB0_1 ; X32-NEXT: # %bb.2: ; X32-NEXT: movw $16, %ax ; X32-NEXT: retl ; X32-NEXT: .LBB0_1: ; X32-NEXT: tzcntw %ax, %ax ; X32-NEXT: retl ; ; X64-LABEL: test__tzcnt_u16: ; X64: # %bb.0: ; X64-NEXT: movzwl %di, %eax ; X64-NEXT: tzcntw %ax, %cx ; X64-NEXT: cmpl $0, %eax ; X64-NEXT: movw $16, %ax ; X64-NEXT: cmovnew %cx, %ax ; X64-NEXT: retq %zext = zext i16 %a0 to i32 %cmp = icmp ne i32 %zext, 0 %cttz = call i16 @llvm.cttz.i16(i16 %a0, i1 true) %res = select i1 %cmp, i16 %cttz, i16 16 ret i16 %res } define i32 @test__andn_u32(i32 %a0, i32 %a1) { ; X32-LABEL: test__andn_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: xorl $-1, %eax ; X32-NEXT: andl {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test__andn_u32: ; X64: # %bb.0: ; X64-NEXT: xorl $-1, %edi ; X64-NEXT: andl %esi, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: retq %xor = xor i32 %a0, -1 %res = and i32 %xor, %a1 ret i32 %res } define i32 @test__bextr_u32(i32 %a0, i32 %a1) { ; X32-LABEL: test__bextr_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test__bextr_u32: ; X64: # %bb.0: ; X64-NEXT: bextrl %esi, %edi, %eax ; X64-NEXT: retq %res = call i32 @llvm.x86.bmi.bextr.32(i32 %a0, i32 %a1) ret i32 %res } define i32 @test__blsi_u32(i32 %a0) { ; X32-LABEL: test__blsi_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: xorl %eax, %eax ; X32-NEXT: subl %ecx, %eax ; X32-NEXT: andl %ecx, %eax ; X32-NEXT: retl ; ; X64-LABEL: test__blsi_u32: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: subl %edi, %eax ; X64-NEXT: andl %edi, %eax ; X64-NEXT: retq %neg = sub i32 0, %a0 %res = and i32 %a0, %neg ret i32 %res } define i32 @test__blsmsk_u32(i32 %a0) { ; X32-LABEL: test__blsmsk_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: subl $1, %eax ; X32-NEXT: xorl %ecx, %eax ; X32-NEXT: retl ; ; X64-LABEL: test__blsmsk_u32: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: subl $1, %eax ; X64-NEXT: xorl %edi, %eax ; X64-NEXT: retq %dec = sub i32 %a0, 1 %res = xor i32 %a0, %dec ret i32 %res } define i32 @test__blsr_u32(i32 %a0) { ; X32-LABEL: test__blsr_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: subl $1, %eax ; X32-NEXT: andl %ecx, %eax ; X32-NEXT: retl ; ; X64-LABEL: test__blsr_u32: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: subl $1, %eax ; X64-NEXT: andl %edi, %eax ; X64-NEXT: retq %dec = sub i32 %a0, 1 %res = and i32 %a0, %dec ret i32 %res } define i32 @test__tzcnt_u32(i32 %a0) { ; X32-LABEL: test__tzcnt_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: cmpl $0, %eax ; X32-NEXT: jne .LBB6_1 ; X32-NEXT: # %bb.2: ; X32-NEXT: movl $32, %eax ; X32-NEXT: retl ; X32-NEXT: .LBB6_1: ; X32-NEXT: tzcntl %eax, %eax ; X32-NEXT: retl ; ; X64-LABEL: test__tzcnt_u32: ; X64: # %bb.0: ; X64-NEXT: tzcntl %edi, %ecx ; X64-NEXT: movl $32, %eax ; X64-NEXT: cmovael %ecx, %eax ; X64-NEXT: retq %cmp = icmp ne i32 %a0, 0 %cttz = call i32 @llvm.cttz.i32(i32 %a0, i1 true) %res = select i1 %cmp, i32 %cttz, i32 32 ret i32 %res } ; ; Intel intrinsics ; define i16 @test_tzcnt_u16(i16 %a0) { ; X32-LABEL: test_tzcnt_u16: ; X32: # %bb.0: ; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movzwl %ax, %ecx ; X32-NEXT: cmpl $0, %ecx ; X32-NEXT: jne .LBB7_1 ; X32-NEXT: # %bb.2: ; X32-NEXT: movw $16, %ax ; X32-NEXT: retl ; X32-NEXT: .LBB7_1: ; X32-NEXT: tzcntw %ax, %ax ; X32-NEXT: retl ; ; X64-LABEL: test_tzcnt_u16: ; X64: # %bb.0: ; X64-NEXT: movzwl %di, %eax ; X64-NEXT: tzcntw %ax, %cx ; X64-NEXT: cmpl $0, %eax ; X64-NEXT: movw $16, %ax ; X64-NEXT: cmovnew %cx, %ax ; X64-NEXT: retq %zext = zext i16 %a0 to i32 %cmp = icmp ne i32 %zext, 0 %cttz = call i16 @llvm.cttz.i16(i16 %a0, i1 true) %res = select i1 %cmp, i16 %cttz, i16 16 ret i16 %res } define i32 @test_andn_u32(i32 %a0, i32 %a1) { ; X32-LABEL: test_andn_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: xorl $-1, %eax ; X32-NEXT: andl {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_andn_u32: ; X64: # %bb.0: ; X64-NEXT: xorl $-1, %edi ; X64-NEXT: andl %esi, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: retq %xor = xor i32 %a0, -1 %res = and i32 %xor, %a1 ret i32 %res } define i32 @test_bextr_u32(i32 %a0, i32 %a1, i32 %a2) { ; X32-LABEL: test_bextr_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: andl $255, %ecx ; X32-NEXT: andl $255, %eax ; X32-NEXT: shll $8, %eax ; X32-NEXT: orl %ecx, %eax ; X32-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_bextr_u32: ; X64: # %bb.0: ; X64-NEXT: andl $255, %esi ; X64-NEXT: andl $255, %edx ; X64-NEXT: shll $8, %edx ; X64-NEXT: orl %esi, %edx ; X64-NEXT: bextrl %edx, %edi, %eax ; X64-NEXT: retq %and1 = and i32 %a1, 255 %and2 = and i32 %a2, 255 %shl = shl i32 %and2, 8 %or = or i32 %and1, %shl %res = call i32 @llvm.x86.bmi.bextr.32(i32 %a0, i32 %or) ret i32 %res } define i32 @test_blsi_u32(i32 %a0) { ; X32-LABEL: test_blsi_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: xorl %eax, %eax ; X32-NEXT: subl %ecx, %eax ; X32-NEXT: andl %ecx, %eax ; X32-NEXT: retl ; ; X64-LABEL: test_blsi_u32: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: subl %edi, %eax ; X64-NEXT: andl %edi, %eax ; X64-NEXT: retq %neg = sub i32 0, %a0 %res = and i32 %a0, %neg ret i32 %res } define i32 @test_blsmsk_u32(i32 %a0) { ; X32-LABEL: test_blsmsk_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: subl $1, %eax ; X32-NEXT: xorl %ecx, %eax ; X32-NEXT: retl ; ; X64-LABEL: test_blsmsk_u32: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: subl $1, %eax ; X64-NEXT: xorl %edi, %eax ; X64-NEXT: retq %dec = sub i32 %a0, 1 %res = xor i32 %a0, %dec ret i32 %res } define i32 @test_blsr_u32(i32 %a0) { ; X32-LABEL: test_blsr_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: subl $1, %eax ; X32-NEXT: andl %ecx, %eax ; X32-NEXT: retl ; ; X64-LABEL: test_blsr_u32: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: subl $1, %eax ; X64-NEXT: andl %edi, %eax ; X64-NEXT: retq %dec = sub i32 %a0, 1 %res = and i32 %a0, %dec ret i32 %res } define i32 @test_tzcnt_u32(i32 %a0) { ; X32-LABEL: test_tzcnt_u32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: cmpl $0, %eax ; X32-NEXT: jne .LBB13_1 ; X32-NEXT: # %bb.2: ; X32-NEXT: movl $32, %eax ; X32-NEXT: retl ; X32-NEXT: .LBB13_1: ; X32-NEXT: tzcntl %eax, %eax ; X32-NEXT: retl ; ; X64-LABEL: test_tzcnt_u32: ; X64: # %bb.0: ; X64-NEXT: tzcntl %edi, %ecx ; X64-NEXT: movl $32, %eax ; X64-NEXT: cmovael %ecx, %eax ; X64-NEXT: retq %cmp = icmp ne i32 %a0, 0 %cttz = call i32 @llvm.cttz.i32(i32 %a0, i1 true) %res = select i1 %cmp, i32 %cttz, i32 32 ret i32 %res } declare i16 @llvm.cttz.i16(i16, i1) declare i32 @llvm.cttz.i32(i32, i1) declare i32 @llvm.x86.bmi.bextr.32(i32, i32)