| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -verify-machineinstrs -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 |
| ; RUN: llc < %s -verify-machineinstrs -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 |
| |
| declare i8 @llvm.abs.i8(i8, i1) |
| declare i16 @llvm.abs.i16(i16, i1) |
| declare i24 @llvm.abs.i24(i24, i1) |
| declare i32 @llvm.abs.i32(i32, i1) |
| declare i64 @llvm.abs.i64(i64, i1) |
| declare i128 @llvm.abs.i128(i128, i1) |
| |
| define i8 @neg_abs_i8(i8 %x) nounwind { |
| ; X86-LABEL: neg_abs_i8: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: movl %ecx, %eax |
| ; X86-NEXT: sarb $7, %al |
| ; X86-NEXT: xorb %al, %cl |
| ; X86-NEXT: subb %cl, %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: neg_abs_i8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: sarb $7, %al |
| ; X64-NEXT: xorb %al, %dil |
| ; X64-NEXT: subb %dil, %al |
| ; X64-NEXT: retq |
| %abs = tail call i8 @llvm.abs.i8(i8 %x, i1 true) |
| %neg = sub nsw i8 0, %abs |
| ret i8 %neg |
| } |
| |
| define i16 @neg_abs_i16(i16 %x) nounwind { |
| ; X86-LABEL: neg_abs_i16: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movswl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl %ecx, %eax |
| ; X86-NEXT: sarl $15, %eax |
| ; X86-NEXT: xorl %eax, %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: neg_abs_i16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: negw %ax |
| ; X64-NEXT: cmovnsw %di, %ax |
| ; X64-NEXT: retq |
| %abs = tail call i16 @llvm.abs.i16(i16 %x, i1 true) |
| %neg = sub nsw i16 0, %abs |
| ret i16 %neg |
| } |
| |
| define i32 @neg_abs_i32(i32 %x) nounwind { |
| ; X86-LABEL: neg_abs_i32: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl %ecx, %eax |
| ; X86-NEXT: sarl $31, %eax |
| ; X86-NEXT: xorl %eax, %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: neg_abs_i32: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: negl %eax |
| ; X64-NEXT: cmovnsl %edi, %eax |
| ; X64-NEXT: retq |
| %abs = tail call i32 @llvm.abs.i32(i32 %x, i1 true) |
| %neg = sub nsw i32 0, %abs |
| ret i32 %neg |
| } |
| |
| define i64 @neg_abs_i64(i64 %x) nounwind { |
| ; X86-LABEL: neg_abs_i64: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl %esi |
| ; 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 %edx, %eax |
| ; X86-NEXT: subl %esi, %eax |
| ; X86-NEXT: sbbl %ecx, %edx |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: neg_abs_i64: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq %rdi, %rax |
| ; X64-NEXT: negq %rax |
| ; X64-NEXT: cmovnsq %rdi, %rax |
| ; X64-NEXT: retq |
| %abs = tail call i64 @llvm.abs.i64(i64 %x, i1 true) |
| %neg = sub nsw i64 0, %abs |
| ret i64 %neg |
| } |
| |
| define i128 @neg_abs_i128(i128 %x) nounwind { |
| ; X86-LABEL: neg_abs_i128: |
| ; 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 %edx, %ecx |
| ; X86-NEXT: sarl $31, %ecx |
| ; X86-NEXT: xorl %ecx, %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: xorl %ecx, %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: xorl %ecx, %edi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ebx |
| ; X86-NEXT: xorl %ecx, %ebx |
| ; X86-NEXT: movl %ecx, %ebp |
| ; X86-NEXT: subl %ebx, %ebp |
| ; X86-NEXT: movl %ecx, %ebx |
| ; X86-NEXT: sbbl %edi, %ebx |
| ; X86-NEXT: movl %ecx, %edi |
| ; X86-NEXT: sbbl %esi, %edi |
| ; X86-NEXT: sbbl %edx, %ecx |
| ; X86-NEXT: movl %ebp, (%eax) |
| ; X86-NEXT: movl %ebx, 4(%eax) |
| ; X86-NEXT: movl %edi, 8(%eax) |
| ; X86-NEXT: movl %ecx, 12(%eax) |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: popl %edi |
| ; X86-NEXT: popl %ebx |
| ; X86-NEXT: popl %ebp |
| ; X86-NEXT: retl $4 |
| ; |
| ; X64-LABEL: neg_abs_i128: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq %rsi, %rdx |
| ; X64-NEXT: sarq $63, %rdx |
| ; X64-NEXT: xorq %rdx, %rsi |
| ; X64-NEXT: xorq %rdx, %rdi |
| ; X64-NEXT: movq %rdx, %rax |
| ; X64-NEXT: subq %rdi, %rax |
| ; X64-NEXT: sbbq %rsi, %rdx |
| ; X64-NEXT: retq |
| %abs = tail call i128 @llvm.abs.i128(i128 %x, i1 true) |
| %neg = sub nsw i128 0, %abs |
| ret i128 %neg |
| } |
| |
| define i8 @sub_abs_i8(i8 %x, i8 %y) nounwind { |
| ; X86-LABEL: sub_abs_i8: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %al |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl |
| ; X86-NEXT: movl %ecx, %edx |
| ; X86-NEXT: sarb $7, %dl |
| ; X86-NEXT: addb %dl, %cl |
| ; X86-NEXT: xorb %dl, %cl |
| ; X86-NEXT: subb %cl, %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: sub_abs_i8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %esi, %eax |
| ; X64-NEXT: movl %edi, %ecx |
| ; X64-NEXT: sarb $7, %cl |
| ; X64-NEXT: addb %cl, %dil |
| ; X64-NEXT: xorb %cl, %dil |
| ; X64-NEXT: subb %dil, %al |
| ; X64-NEXT: # kill: def $al killed $al killed $eax |
| ; X64-NEXT: retq |
| %abs = tail call i8 @llvm.abs.i8(i8 %x, i1 false) |
| %neg = sub nsw i8 %y, %abs |
| ret i8 %neg |
| } |
| |
| define i16 @sub_abs_i16(i16 %x, i16 %y) nounwind { |
| ; X86-LABEL: sub_abs_i16: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movswl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl %ecx, %edx |
| ; X86-NEXT: sarl $15, %edx |
| ; X86-NEXT: addl %edx, %ecx |
| ; X86-NEXT: xorl %edx, %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: sub_abs_i16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: negw %ax |
| ; X64-NEXT: cmovnsw %di, %ax |
| ; X64-NEXT: addl %esi, %eax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %abs = tail call i16 @llvm.abs.i16(i16 %x, i1 false) |
| %neg = sub i16 %y, %abs |
| ret i16 %neg |
| } |
| |
| define i32 @sub_abs_i32(i32 %x, i32 %y) nounwind { |
| ; X86-LABEL: sub_abs_i32: |
| ; X86: # %bb.0: |
| ; 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: addl %edx, %ecx |
| ; X86-NEXT: xorl %edx, %ecx |
| ; X86-NEXT: subl %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: sub_abs_i32: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: negl %eax |
| ; X64-NEXT: cmovnsl %edi, %eax |
| ; X64-NEXT: addl %esi, %eax |
| ; X64-NEXT: retq |
| %abs = tail call i32 @llvm.abs.i32(i32 %x, i1 false) |
| %neg = sub i32 %y, %abs |
| ret i32 %neg |
| } |
| |
| define i64 @sub_abs_i64(i64 %x, i64 %y) nounwind { |
| ; X86-LABEL: sub_abs_i64: |
| ; X86: # %bb.0: |
| ; 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 %ecx, %esi |
| ; X86-NEXT: sarl $31, %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: addl %esi, %edi |
| ; X86-NEXT: adcl %esi, %ecx |
| ; X86-NEXT: xorl %esi, %ecx |
| ; X86-NEXT: xorl %esi, %edi |
| ; X86-NEXT: subl %edi, %eax |
| ; X86-NEXT: sbbl %ecx, %edx |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: popl %edi |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: sub_abs_i64: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq %rdi, %rax |
| ; X64-NEXT: negq %rax |
| ; X64-NEXT: cmovnsq %rdi, %rax |
| ; X64-NEXT: addq %rsi, %rax |
| ; X64-NEXT: retq |
| %abs = tail call i64 @llvm.abs.i64(i64 %x, i1 false) |
| %neg = sub i64 %y, %abs |
| ret i64 %neg |
| } |
| |
| define i128 @sub_abs_i128(i128 %x, i128 %y) nounwind { |
| ; X86-LABEL: sub_abs_i128: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl %edi |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl %eax, %ecx |
| ; X86-NEXT: sarl $31, %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: addl %ecx, %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: adcl %ecx, %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: adcl %ecx, %edi |
| ; X86-NEXT: adcl %ecx, %eax |
| ; X86-NEXT: xorl %ecx, %eax |
| ; X86-NEXT: xorl %ecx, %edi |
| ; X86-NEXT: xorl %ecx, %esi |
| ; X86-NEXT: xorl %ecx, %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: subl %edx, %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: sbbl %esi, %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: sbbl %edi, %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: sbbl %eax, %edi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl %ecx, (%eax) |
| ; X86-NEXT: movl %edx, 4(%eax) |
| ; X86-NEXT: movl %esi, 8(%eax) |
| ; X86-NEXT: movl %edi, 12(%eax) |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: popl %edi |
| ; X86-NEXT: retl $4 |
| ; |
| ; X64-LABEL: sub_abs_i128: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq %rdx, %rax |
| ; X64-NEXT: movq %rsi, %rdx |
| ; X64-NEXT: sarq $63, %rdx |
| ; X64-NEXT: addq %rdx, %rdi |
| ; X64-NEXT: adcq %rdx, %rsi |
| ; X64-NEXT: xorq %rdx, %rsi |
| ; X64-NEXT: xorq %rdx, %rdi |
| ; X64-NEXT: subq %rdi, %rax |
| ; X64-NEXT: sbbq %rsi, %rcx |
| ; X64-NEXT: movq %rcx, %rdx |
| ; X64-NEXT: retq |
| %abs = tail call i128 @llvm.abs.i128(i128 %x, i1 false) |
| %neg = sub i128 %y, %abs |
| ret i128 %neg |
| } |