| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686 -mattr=cmov | FileCheck %s --check-prefix=X86 |
| ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefix=X64 |
| |
| declare i4 @llvm.usub.sat.i4(i4, i4) |
| declare i8 @llvm.usub.sat.i8(i8, i8) |
| declare i16 @llvm.usub.sat.i16(i16, i16) |
| declare i32 @llvm.usub.sat.i32(i32, i32) |
| declare i64 @llvm.usub.sat.i64(i64, i64) |
| declare <4 x i32> @llvm.usub.sat.v4i32(<4 x i32>, <4 x i32>) |
| |
| define i32 @func(i32 %x, i32 %y) nounwind { |
| ; X86-LABEL: func: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: cmovbl %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: func: |
| ; X64: # %bb.0: |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: subl %esi, %edi |
| ; X64-NEXT: cmovael %edi, %eax |
| ; X64-NEXT: retq |
| %tmp = call i32 @llvm.usub.sat.i32(i32 %x, i32 %y) |
| ret i32 %tmp |
| } |
| |
| define i64 @func2(i64 %x, i64 %y) nounwind { |
| ; X86-LABEL: func2: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: sbbl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: cmovbl %ecx, %edx |
| ; X86-NEXT: cmovbl %ecx, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: func2: |
| ; X64: # %bb.0: |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: subq %rsi, %rdi |
| ; X64-NEXT: cmovaeq %rdi, %rax |
| ; X64-NEXT: retq |
| %tmp = call i64 @llvm.usub.sat.i64(i64 %x, i64 %y) |
| ret i64 %tmp |
| } |
| |
| define zeroext i16 @func16(i16 zeroext %x, i16 zeroext %y) nounwind { |
| ; X86-LABEL: func16: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: subw {{[0-9]+}}(%esp), %ax |
| ; X86-NEXT: cmovbl %ecx, %eax |
| ; X86-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: func16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: subw %si, %di |
| ; X64-NEXT: cmovael %edi, %eax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| %tmp = call i16 @llvm.usub.sat.i16(i16 %x, i16 %y) |
| ret i16 %tmp |
| } |
| |
| define zeroext i8 @func8(i8 zeroext %x, i8 zeroext %y) nounwind { |
| ; X86-LABEL: func8: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: subb {{[0-9]+}}(%esp), %al |
| ; X86-NEXT: movzbl %al, %eax |
| ; X86-NEXT: cmovbl %ecx, %eax |
| ; X86-NEXT: # kill: def $al killed $al killed $eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: func8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: xorl %ecx, %ecx |
| ; X64-NEXT: subb %sil, %dil |
| ; X64-NEXT: movzbl %dil, %eax |
| ; X64-NEXT: cmovbl %ecx, %eax |
| ; X64-NEXT: # kill: def $al killed $al killed $eax |
| ; X64-NEXT: retq |
| %tmp = call i8 @llvm.usub.sat.i8(i8 %x, i8 %y) |
| ret i8 %tmp |
| } |
| |
| define zeroext i4 @func3(i4 zeroext %x, i4 zeroext %y) nounwind { |
| ; X86-LABEL: func3: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: subb {{[0-9]+}}(%esp), %al |
| ; X86-NEXT: movzbl %al, %eax |
| ; X86-NEXT: cmovbl %ecx, %eax |
| ; X86-NEXT: movzbl %al, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: func3: |
| ; X64: # %bb.0: |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: subb %sil, %dil |
| ; X64-NEXT: movzbl %dil, %ecx |
| ; X64-NEXT: cmovbl %eax, %ecx |
| ; X64-NEXT: movzbl %cl, %eax |
| ; X64-NEXT: retq |
| %tmp = call i4 @llvm.usub.sat.i4(i4 %x, i4 %y) |
| ret i4 %tmp |
| } |
| |
| define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind { |
| ; X86-LABEL: vec: |
| ; 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), %edi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: xorl %ebx, %ebx |
| ; X86-NEXT: subl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: cmovbl %ebx, %ecx |
| ; X86-NEXT: subl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: cmovbl %ebx, %edx |
| ; X86-NEXT: subl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: cmovbl %ebx, %esi |
| ; X86-NEXT: subl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: cmovbl %ebx, %edi |
| ; X86-NEXT: movl %edi, 12(%eax) |
| ; X86-NEXT: movl %esi, 8(%eax) |
| ; X86-NEXT: movl %edx, 4(%eax) |
| ; X86-NEXT: movl %ecx, (%eax) |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: popl %edi |
| ; X86-NEXT: popl %ebx |
| ; X86-NEXT: retl $4 |
| ; |
| ; X64-LABEL: vec: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648,2147483648,2147483648] |
| ; X64-NEXT: movdqa %xmm1, %xmm3 |
| ; X64-NEXT: pxor %xmm2, %xmm3 |
| ; X64-NEXT: pxor %xmm0, %xmm2 |
| ; X64-NEXT: pcmpgtd %xmm3, %xmm2 |
| ; X64-NEXT: psubd %xmm1, %xmm0 |
| ; X64-NEXT: pand %xmm2, %xmm0 |
| ; X64-NEXT: retq |
| %tmp = call <4 x i32> @llvm.usub.sat.v4i32(<4 x i32> %x, <4 x i32> %y) |
| ret <4 x i32> %tmp |
| } |