; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 --check-prefix=X86-NO-CMOV ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-CMOV ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 ;; Integer absolute value, should produce something at least as good as: ;; movl %edi, %eax ;; negl %eax ;; cmovll %edi, %eax ;; ret ; rdar://10695237 define i8 @test_i8(i8 %a) nounwind { ; X86-LABEL: test_i8: ; X86: # %bb.0: ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %ecx ; X86-NEXT: sarb $7, %cl ; X86-NEXT: xorb %cl, %al ; X86-NEXT: subb %cl, %al ; X86-NEXT: retl ; ; X64-LABEL: test_i8: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: movl %eax, %ecx ; X64-NEXT: sarb $7, %cl ; X64-NEXT: xorb %cl, %al ; X64-NEXT: subb %cl, %al ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %tmp1neg = sub i8 0, %a %b = icmp sgt i8 %a, -1 %abs = select i1 %b, i8 %a, i8 %tmp1neg ret i8 %abs } define i16 @test_i16(i16 %a) nounwind { ; X86-NO-CMOV-LABEL: test_i16: ; X86-NO-CMOV: # %bb.0: ; X86-NO-CMOV-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X86-NO-CMOV-NEXT: movswl %ax, %ecx ; X86-NO-CMOV-NEXT: sarl $15, %ecx ; X86-NO-CMOV-NEXT: xorl %ecx, %eax ; X86-NO-CMOV-NEXT: subl %ecx, %eax ; X86-NO-CMOV-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NO-CMOV-NEXT: retl ; ; X86-CMOV-LABEL: test_i16: ; X86-CMOV: # %bb.0: ; X86-CMOV-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-CMOV-NEXT: movl %ecx, %eax ; X86-CMOV-NEXT: negw %ax ; X86-CMOV-NEXT: cmovsw %cx, %ax ; X86-CMOV-NEXT: retl ; ; X64-LABEL: test_i16: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: negw %ax ; X64-NEXT: cmovsw %di, %ax ; X64-NEXT: retq %tmp1neg = sub i16 0, %a %b = icmp sgt i16 %a, -1 %abs = select i1 %b, i16 %a, i16 %tmp1neg ret i16 %abs } define i32 @test_i32(i32 %a) nounwind { ; X86-NO-CMOV-LABEL: test_i32: ; X86-NO-CMOV: # %bb.0: ; X86-NO-CMOV-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NO-CMOV-NEXT: movl %eax, %ecx ; X86-NO-CMOV-NEXT: sarl $31, %ecx ; X86-NO-CMOV-NEXT: xorl %ecx, %eax ; X86-NO-CMOV-NEXT: subl %ecx, %eax ; X86-NO-CMOV-NEXT: retl ; ; X86-CMOV-LABEL: test_i32: ; X86-CMOV: # %bb.0: ; X86-CMOV-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-CMOV-NEXT: movl %ecx, %eax ; X86-CMOV-NEXT: negl %eax ; X86-CMOV-NEXT: cmovsl %ecx, %eax ; X86-CMOV-NEXT: retl ; ; X64-LABEL: test_i32: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %edi, %eax ; X64-NEXT: retq %tmp1neg = sub i32 0, %a %b = icmp sgt i32 %a, -1 %abs = select i1 %b, i32 %a, i32 %tmp1neg ret i32 %abs } define i64 @test_i64(i64 %a) nounwind { ; X86-LABEL: test_i64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl %edx, %ecx ; X86-NEXT: sarl $31, %ecx ; X86-NEXT: xorl %ecx, %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: xorl %ecx, %eax ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: sbbl %ecx, %edx ; X86-NEXT: retl ; ; X64-LABEL: test_i64: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: negq %rax ; X64-NEXT: cmovsq %rdi, %rax ; X64-NEXT: retq %tmp1neg = sub i64 0, %a %b = icmp sgt i64 %a, -1 %abs = select i1 %b, i64 %a, i64 %tmp1neg ret i64 %abs } define i128 @test_i128(i128 %a) nounwind { ; X86-LABEL: test_i128: ; X86: # %bb.0: ; X86-NEXT: pushl %ebx ; X86-NEXT: pushl %edi ; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %edx ; X86-NEXT: sarl $31, %edx ; X86-NEXT: xorl %edx, %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: xorl %edx, %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi ; X86-NEXT: xorl %edx, %edi ; X86-NEXT: movl {{[0-9]+}}(%esp), %ebx ; X86-NEXT: xorl %edx, %ebx ; X86-NEXT: subl %edx, %ebx ; X86-NEXT: sbbl %edx, %edi ; X86-NEXT: sbbl %edx, %esi ; X86-NEXT: sbbl %edx, %ecx ; X86-NEXT: movl %ebx, (%eax) ; X86-NEXT: movl %edi, 4(%eax) ; X86-NEXT: movl %esi, 8(%eax) ; X86-NEXT: movl %ecx, 12(%eax) ; X86-NEXT: popl %esi ; X86-NEXT: popl %edi ; X86-NEXT: popl %ebx ; X86-NEXT: retl $4 ; ; X64-LABEL: test_i128: ; X64: # %bb.0: ; X64-NEXT: movq %rsi, %rdx ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: movq %rsi, %rcx ; X64-NEXT: sarq $63, %rcx ; X64-NEXT: xorq %rcx, %rdx ; X64-NEXT: xorq %rcx, %rax ; X64-NEXT: subq %rcx, %rax ; X64-NEXT: sbbq %rcx, %rdx ; X64-NEXT: retq %tmp1neg = sub i128 0, %a %b = icmp sgt i128 %a, -1 %abs = select i1 %b, i128 %a, i128 %tmp1neg ret i128 %abs }