; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686 -mattr=cmov | FileCheck %s --check-prefixes=X86 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefixes=X64 ; ; trunc(abs(sub(sext(a),sext(b)))) -> abds(a,b) ; define i8 @abd_ext_i8(i8 %a, i8 %b) nounwind { ; X86-LABEL: abd_ext_i8: ; X86: # %bb.0: ; X86-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movsbl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: # kill: def $al killed $al killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i8: ; X64: # %bb.0: ; X64-NEXT: movsbl %sil, %eax ; X64-NEXT: movsbl %dil, %ecx ; X64-NEXT: subl %eax, %ecx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %ecx, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %aext = sext i8 %a to i64 %bext = sext i8 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false) %trunc = trunc i64 %abs to i8 ret i8 %trunc } define i8 @abd_ext_i8_i16(i8 %a, i16 %b) nounwind { ; X86-LABEL: abd_ext_i8_i16: ; X86: # %bb.0: ; X86-NEXT: movswl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movsbl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: # kill: def $al killed $al killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i8_i16: ; X64: # %bb.0: ; X64-NEXT: movswl %si, %eax ; X64-NEXT: movsbl %dil, %ecx ; X64-NEXT: subl %eax, %ecx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %ecx, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %aext = sext i8 %a to i64 %bext = sext i16 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false) %trunc = trunc i64 %abs to i8 ret i8 %trunc } define i8 @abd_ext_i8_undef(i8 %a, i8 %b) nounwind { ; X86-LABEL: abd_ext_i8_undef: ; X86: # %bb.0: ; X86-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movsbl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: # kill: def $al killed $al killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i8_undef: ; X64: # %bb.0: ; X64-NEXT: movsbl %sil, %eax ; X64-NEXT: movsbl %dil, %ecx ; X64-NEXT: subl %eax, %ecx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %ecx, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %aext = sext i8 %a to i64 %bext = sext i8 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 true) %trunc = trunc i64 %abs to i8 ret i8 %trunc } define i16 @abd_ext_i16(i16 %a, i16 %b) nounwind { ; X86-LABEL: abd_ext_i16: ; X86: # %bb.0: ; X86-NEXT: movswl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movswl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i16: ; X64: # %bb.0: ; X64-NEXT: movswl %si, %eax ; X64-NEXT: movswl %di, %ecx ; X64-NEXT: subl %eax, %ecx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %ecx, %eax ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %aext = sext i16 %a to i64 %bext = sext i16 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false) %trunc = trunc i64 %abs to i16 ret i16 %trunc } define i16 @abd_ext_i16_i32(i16 %a, i32 %b) nounwind { ; X86-LABEL: abd_ext_i16_i32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movswl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %edx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: negl %edx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: cmovlel %edx, %eax ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i16_i32: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: movswq %di, %rcx ; X64-NEXT: movslq %esi, %rax ; X64-NEXT: subq %rax, %rcx ; X64-NEXT: movq %rcx, %rax ; X64-NEXT: negq %rax ; X64-NEXT: cmovsq %rcx, %rax ; X64-NEXT: # kill: def $ax killed $ax killed $rax ; X64-NEXT: retq %aext = sext i16 %a to i64 %bext = sext i32 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false) %trunc = trunc i64 %abs to i16 ret i16 %trunc } define i16 @abd_ext_i16_undef(i16 %a, i16 %b) nounwind { ; X86-LABEL: abd_ext_i16_undef: ; X86: # %bb.0: ; X86-NEXT: movswl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movswl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i16_undef: ; X64: # %bb.0: ; X64-NEXT: movswl %si, %eax ; X64-NEXT: movswl %di, %ecx ; X64-NEXT: subl %eax, %ecx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %ecx, %eax ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %aext = sext i16 %a to i64 %bext = sext i16 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 true) %trunc = trunc i64 %abs to i16 ret i16 %trunc } define i32 @abd_ext_i32(i32 %a, i32 %b) nounwind { ; X86-LABEL: abd_ext_i32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %edx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: negl %edx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: cmovlel %edx, %eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i32: ; X64: # %bb.0: ; X64-NEXT: movslq %esi, %rax ; X64-NEXT: movslq %edi, %rcx ; X64-NEXT: subq %rax, %rcx ; X64-NEXT: movq %rcx, %rax ; X64-NEXT: negq %rax ; X64-NEXT: cmovsq %rcx, %rax ; X64-NEXT: # kill: def $eax killed $eax killed $rax ; X64-NEXT: retq %aext = sext i32 %a to i64 %bext = sext i32 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false) %trunc = trunc i64 %abs to i32 ret i32 %trunc } define i32 @abd_ext_i32_i16(i32 %a, i16 %b) nounwind { ; X86-LABEL: abd_ext_i32_i16: ; X86: # %bb.0: ; X86-NEXT: movswl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %edx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: negl %edx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: cmovlel %edx, %eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i32_i16: ; X64: # %bb.0: ; X64-NEXT: # kill: def $esi killed $esi def $rsi ; X64-NEXT: movswq %si, %rax ; X64-NEXT: movslq %edi, %rcx ; X64-NEXT: subq %rax, %rcx ; X64-NEXT: movq %rcx, %rax ; X64-NEXT: negq %rax ; X64-NEXT: cmovsq %rcx, %rax ; X64-NEXT: # kill: def $eax killed $eax killed $rax ; X64-NEXT: retq %aext = sext i32 %a to i64 %bext = sext i16 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false) %trunc = trunc i64 %abs to i32 ret i32 %trunc } define i32 @abd_ext_i32_undef(i32 %a, i32 %b) nounwind { ; X86-LABEL: abd_ext_i32_undef: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %edx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: negl %edx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: cmovlel %edx, %eax ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i32_undef: ; X64: # %bb.0: ; X64-NEXT: movslq %esi, %rax ; X64-NEXT: movslq %edi, %rcx ; X64-NEXT: subq %rax, %rcx ; X64-NEXT: movq %rcx, %rax ; X64-NEXT: negq %rax ; X64-NEXT: cmovsq %rcx, %rax ; X64-NEXT: # kill: def $eax killed $eax killed $rax ; X64-NEXT: retq %aext = sext i32 %a to i64 %bext = sext i32 %b to i64 %sub = sub i64 %aext, %bext %abs = call i64 @llvm.abs.i64(i64 %sub, i1 true) %trunc = trunc i64 %abs to i32 ret i32 %trunc } define i64 @abd_ext_i64(i64 %a, i64 %b) nounwind { ; X86-LABEL: abd_ext_i64: ; X86: # %bb.0: ; X86-NEXT: pushl %edi ; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: movl %esi, %edi ; X86-NEXT: sarl $31, %edi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl %edx, %ecx ; X86-NEXT: sarl $31, %ecx ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax ; X86-NEXT: sbbl %esi, %edx ; X86-NEXT: movl %ecx, %esi ; X86-NEXT: sbbl %edi, %esi ; X86-NEXT: sbbl %edi, %ecx ; X86-NEXT: sarl $31, %ecx ; X86-NEXT: xorl %ecx, %edx ; X86-NEXT: xorl %ecx, %eax ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: sbbl %ecx, %edx ; X86-NEXT: popl %esi ; X86-NEXT: popl %edi ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i64: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: subq %rsi, %rax ; X64-NEXT: negq %rax ; X64-NEXT: subq %rsi, %rdi ; X64-NEXT: cmovgq %rdi, %rax ; X64-NEXT: retq %aext = sext i64 %a to i128 %bext = sext i64 %b to i128 %sub = sub i128 %aext, %bext %abs = call i128 @llvm.abs.i128(i128 %sub, i1 false) %trunc = trunc i128 %abs to i64 ret i64 %trunc } define i64 @abd_ext_i64_undef(i64 %a, i64 %b) nounwind { ; X86-LABEL: abd_ext_i64_undef: ; X86: # %bb.0: ; X86-NEXT: pushl %edi ; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: movl %esi, %edi ; X86-NEXT: sarl $31, %edi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl %edx, %ecx ; X86-NEXT: sarl $31, %ecx ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax ; X86-NEXT: sbbl %esi, %edx ; X86-NEXT: movl %ecx, %esi ; X86-NEXT: sbbl %edi, %esi ; X86-NEXT: sbbl %edi, %ecx ; X86-NEXT: sarl $31, %ecx ; X86-NEXT: xorl %ecx, %edx ; X86-NEXT: xorl %ecx, %eax ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: sbbl %ecx, %edx ; X86-NEXT: popl %esi ; X86-NEXT: popl %edi ; X86-NEXT: retl ; ; X64-LABEL: abd_ext_i64_undef: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: subq %rsi, %rax ; X64-NEXT: negq %rax ; X64-NEXT: subq %rsi, %rdi ; X64-NEXT: cmovgq %rdi, %rax ; X64-NEXT: retq %aext = sext i64 %a to i128 %bext = sext i64 %b to i128 %sub = sub i128 %aext, %bext %abs = call i128 @llvm.abs.i128(i128 %sub, i1 true) %trunc = trunc i128 %abs to i64 ret i64 %trunc } ; ; sub(smax(a,b),smin(a,b)) -> abds(a,b) ; define i8 @abd_minmax_i8(i8 %a, i8 %b) nounwind { ; X86-LABEL: abd_minmax_i8: ; X86: # %bb.0: ; X86-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movsbl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: # kill: def $al killed $al killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_minmax_i8: ; X64: # %bb.0: ; X64-NEXT: movsbl %sil, %eax ; X64-NEXT: movsbl %dil, %ecx ; X64-NEXT: subl %eax, %ecx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %ecx, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %min = call i8 @llvm.smin.i8(i8 %a, i8 %b) %max = call i8 @llvm.smax.i8(i8 %a, i8 %b) %sub = sub i8 %max, %min ret i8 %sub } define i16 @abd_minmax_i16(i16 %a, i16 %b) nounwind { ; X86-LABEL: abd_minmax_i16: ; X86: # %bb.0: ; X86-NEXT: movswl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movswl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_minmax_i16: ; X64: # %bb.0: ; X64-NEXT: movswl %si, %eax ; X64-NEXT: movswl %di, %ecx ; X64-NEXT: subl %eax, %ecx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %ecx, %eax ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %min = call i16 @llvm.smin.i16(i16 %a, i16 %b) %max = call i16 @llvm.smax.i16(i16 %a, i16 %b) %sub = sub i16 %max, %min ret i16 %sub } define i32 @abd_minmax_i32(i32 %a, i32 %b) nounwind { ; X86-LABEL: abd_minmax_i32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %edx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: negl %edx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: cmovlel %edx, %eax ; X86-NEXT: retl ; ; X64-LABEL: abd_minmax_i32: ; X64: # %bb.0: ; X64-NEXT: movslq %esi, %rax ; X64-NEXT: movslq %edi, %rcx ; X64-NEXT: subq %rax, %rcx ; X64-NEXT: movq %rcx, %rax ; X64-NEXT: negq %rax ; X64-NEXT: cmovsq %rcx, %rax ; X64-NEXT: # kill: def $eax killed $eax killed $rax ; X64-NEXT: retq %min = call i32 @llvm.smin.i32(i32 %a, i32 %b) %max = call i32 @llvm.smax.i32(i32 %a, i32 %b) %sub = sub i32 %max, %min ret i32 %sub } define i64 @abd_minmax_i64(i64 %a, i64 %b) nounwind { ; X86-LABEL: abd_minmax_i64: ; X86: # %bb.0: ; X86-NEXT: pushl %ebp ; 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), %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: cmpl %eax, %ecx ; X86-NEXT: movl %esi, %edi ; X86-NEXT: sbbl %edx, %edi ; X86-NEXT: movl %edx, %edi ; X86-NEXT: cmovll %esi, %edi ; X86-NEXT: movl %eax, %ebx ; X86-NEXT: cmovll %ecx, %ebx ; X86-NEXT: cmpl %ecx, %eax ; X86-NEXT: movl %edx, %ebp ; X86-NEXT: sbbl %esi, %ebp ; X86-NEXT: cmovll %esi, %edx ; X86-NEXT: cmovll %ecx, %eax ; X86-NEXT: subl %ebx, %eax ; X86-NEXT: sbbl %edi, %edx ; X86-NEXT: popl %esi ; X86-NEXT: popl %edi ; X86-NEXT: popl %ebx ; X86-NEXT: popl %ebp ; X86-NEXT: retl ; ; X64-LABEL: abd_minmax_i64: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: subq %rsi, %rax ; X64-NEXT: negq %rax ; X64-NEXT: subq %rsi, %rdi ; X64-NEXT: cmovgq %rdi, %rax ; X64-NEXT: retq %min = call i64 @llvm.smin.i64(i64 %a, i64 %b) %max = call i64 @llvm.smax.i64(i64 %a, i64 %b) %sub = sub i64 %max, %min ret i64 %sub } ; ; select(icmp(a,b),sub(a,b),sub(b,a)) -> abds(a,b) ; define i8 @abd_cmp_i8(i8 %a, i8 %b) nounwind { ; X86-LABEL: abd_cmp_i8: ; X86: # %bb.0: ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %eax, %edx ; X86-NEXT: subb %cl, %dl ; X86-NEXT: negb %dl ; X86-NEXT: subb %cl, %al ; X86-NEXT: movzbl %al, %ecx ; X86-NEXT: movzbl %dl, %eax ; X86-NEXT: cmovgl %ecx, %eax ; X86-NEXT: # kill: def $al killed $al killed $eax ; X86-NEXT: retl ; ; X64-LABEL: abd_cmp_i8: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: subb %sil, %al ; X64-NEXT: negb %al ; X64-NEXT: subb %sil, %dil ; X64-NEXT: movzbl %dil, %ecx ; X64-NEXT: movzbl %al, %eax ; X64-NEXT: cmovgl %ecx, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %cmp = icmp sgt i8 %a, %b %ab = sub i8 %a, %b %ba = sub i8 %b, %a %sel = select i1 %cmp, i8 %ab, i8 %ba ret i8 %sel } define i16 @abd_cmp_i16(i16 %a, i16 %b) nounwind { ; X86-LABEL: abd_cmp_i16: ; X86: # %bb.0: ; X86-NEXT: pushl %esi ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl %ecx, %esi ; X86-NEXT: subw %dx, %si ; X86-NEXT: movl %esi, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmpw %dx, %cx ; X86-NEXT: cmovgel %esi, %eax ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: abd_cmp_i16: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %ecx ; X64-NEXT: subw %si, %cx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmpw %si, %di ; X64-NEXT: cmovgel %ecx, %eax ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %cmp = icmp sge i16 %a, %b %ab = sub i16 %a, %b %ba = sub i16 %b, %a %sel = select i1 %cmp, i16 %ab, i16 %ba ret i16 %sel } define i32 @abd_cmp_i32(i32 %a, i32 %b) nounwind { ; X86-LABEL: abd_cmp_i32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %eax, %edx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: negl %edx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: cmovll %edx, %eax ; X86-NEXT: retl ; ; X64-LABEL: abd_cmp_i32: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: subl %esi, %eax ; X64-NEXT: negl %eax ; X64-NEXT: subl %esi, %edi ; X64-NEXT: cmovgel %edi, %eax ; X64-NEXT: retq %cmp = icmp slt i32 %a, %b %ab = sub i32 %a, %b %ba = sub i32 %b, %a %sel = select i1 %cmp, i32 %ba, i32 %ab ret i32 %sel } define i64 @abd_cmp_i64(i64 %a, i64 %b) nounwind { ; X86-LABEL: abd_cmp_i64: ; 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), %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: movl %ecx, %edi ; X86-NEXT: subl %eax, %edi ; X86-NEXT: movl %esi, %ebx ; X86-NEXT: sbbl %edx, %ebx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: sbbl %esi, %edx ; X86-NEXT: cmovgel %edi, %eax ; X86-NEXT: cmovgel %ebx, %edx ; X86-NEXT: popl %esi ; X86-NEXT: popl %edi ; X86-NEXT: popl %ebx ; X86-NEXT: retl ; ; X64-LABEL: abd_cmp_i64: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: subq %rsi, %rax ; X64-NEXT: negq %rax ; X64-NEXT: subq %rsi, %rdi ; X64-NEXT: cmovlq %rdi, %rax ; X64-NEXT: retq %cmp = icmp sge i64 %a, %b %ab = sub i64 %a, %b %ba = sub i64 %b, %a %sel = select i1 %cmp, i64 %ba, i64 %ab ret i64 %sel } ; ; abs(sub_nsw(x, y)) -> abds(a,b) ; define i8 @abd_subnsw_i8(i8 %a, i8 %b) nounwind { ; X86-LABEL: abd_subnsw_i8: ; X86: # %bb.0: ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: subb {{[0-9]+}}(%esp), %al ; 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: abd_subnsw_i8: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: subb %sil, %al ; 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 %sub = sub nsw i8 %a, %b %abs = call i8 @llvm.abs.i8(i8 %sub, i1 false) ret i8 %abs } define i8 @abd_subnsw_i8_undef(i8 %a, i8 %b) nounwind { ; X86-LABEL: abd_subnsw_i8_undef: ; X86: # %bb.0: ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax ; X86-NEXT: subb {{[0-9]+}}(%esp), %al ; 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: abd_subnsw_i8_undef: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: subb %sil, %al ; 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 %sub = sub nsw i8 %a, %b %abs = call i8 @llvm.abs.i8(i8 %sub, i1 true) ret i8 %abs } define i16 @abd_subnsw_i16(i16 %a, i16 %b) nounwind { ; X86-LABEL: abd_subnsw_i16: ; X86: # %bb.0: ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subw {{[0-9]+}}(%esp), %cx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negw %ax ; X86-NEXT: cmovsw %cx, %ax ; X86-NEXT: retl ; ; X64-LABEL: abd_subnsw_i16: ; X64: # %bb.0: ; X64-NEXT: subl %esi, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: negw %ax ; X64-NEXT: cmovsw %di, %ax ; X64-NEXT: retq %sub = sub nsw i16 %a, %b %abs = call i16 @llvm.abs.i16(i16 %sub, i1 false) ret i16 %abs } define i16 @abd_subnsw_i16_undef(i16 %a, i16 %b) nounwind { ; X86-LABEL: abd_subnsw_i16_undef: ; X86: # %bb.0: ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subw {{[0-9]+}}(%esp), %cx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negw %ax ; X86-NEXT: cmovsw %cx, %ax ; X86-NEXT: retl ; ; X64-LABEL: abd_subnsw_i16_undef: ; X64: # %bb.0: ; X64-NEXT: subl %esi, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: negw %ax ; X64-NEXT: cmovsw %di, %ax ; X64-NEXT: retq %sub = sub nsw i16 %a, %b %abs = call i16 @llvm.abs.i16(i16 %sub, i1 true) ret i16 %abs } define i32 @abd_subnsw_i32(i32 %a, i32 %b) nounwind { ; X86-LABEL: abd_subnsw_i32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: retl ; ; X64-LABEL: abd_subnsw_i32: ; X64: # %bb.0: ; X64-NEXT: subl %esi, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %edi, %eax ; X64-NEXT: retq %sub = sub nsw i32 %a, %b %abs = call i32 @llvm.abs.i32(i32 %sub, i1 false) ret i32 %abs } define i32 @abd_subnsw_i32_undef(i32 %a, i32 %b) nounwind { ; X86-LABEL: abd_subnsw_i32_undef: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: retl ; ; X64-LABEL: abd_subnsw_i32_undef: ; X64: # %bb.0: ; X64-NEXT: subl %esi, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %edi, %eax ; X64-NEXT: retq %sub = sub nsw i32 %a, %b %abs = call i32 @llvm.abs.i32(i32 %sub, i1 true) ret i32 %abs } define i64 @abd_subnsw_i64(i64 %a, i64 %b) nounwind { ; X86-LABEL: abd_subnsw_i64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax ; X86-NEXT: sbbl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl %edx, %ecx ; X86-NEXT: sarl $31, %ecx ; X86-NEXT: xorl %ecx, %edx ; X86-NEXT: xorl %ecx, %eax ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: sbbl %ecx, %edx ; X86-NEXT: retl ; ; X64-LABEL: abd_subnsw_i64: ; X64: # %bb.0: ; X64-NEXT: subq %rsi, %rdi ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: negq %rax ; X64-NEXT: cmovsq %rdi, %rax ; X64-NEXT: retq %sub = sub nsw i64 %a, %b %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false) ret i64 %abs } define i64 @abd_subnsw_i64_undef(i64 %a, i64 %b) nounwind { ; X86-LABEL: abd_subnsw_i64_undef: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax ; X86-NEXT: sbbl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl %edx, %ecx ; X86-NEXT: sarl $31, %ecx ; X86-NEXT: xorl %ecx, %edx ; X86-NEXT: xorl %ecx, %eax ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: sbbl %ecx, %edx ; X86-NEXT: retl ; ; X64-LABEL: abd_subnsw_i64_undef: ; X64: # %bb.0: ; X64-NEXT: subq %rsi, %rdi ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: negq %rax ; X64-NEXT: cmovsq %rdi, %rax ; X64-NEXT: retq %sub = sub nsw i64 %a, %b %abs = call i64 @llvm.abs.i64(i64 %sub, i1 true) ret i64 %abs } ; ; negative tests ; define i32 @abd_sub_i32(i32 %a, i32 %b) nounwind { ; X86-LABEL: abd_sub_i32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: cmovsl %ecx, %eax ; X86-NEXT: retl ; ; X64-LABEL: abd_sub_i32: ; X64: # %bb.0: ; X64-NEXT: subl %esi, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: negl %eax ; X64-NEXT: cmovsl %edi, %eax ; X64-NEXT: retq %sub = sub i32 %a, %b %abs = call i32 @llvm.abs.i32(i32 %sub, i1 false) ret i32 %abs } declare i8 @llvm.abs.i8(i8, i1) declare i16 @llvm.abs.i16(i16, i1) declare i32 @llvm.abs.i32(i32, i1) declare i64 @llvm.abs.i64(i64, i1) declare i128 @llvm.abs.i128(i128, i1) declare i8 @llvm.smax.i8(i8, i8) declare i16 @llvm.smax.i16(i16, i16) declare i32 @llvm.smax.i32(i32, i32) declare i64 @llvm.smax.i64(i64, i64) declare i8 @llvm.smin.i8(i8, i8) declare i16 @llvm.smin.i16(i16, i16) declare i32 @llvm.smin.i32(i32, i32) declare i64 @llvm.smin.i64(i64, i64)