| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686 -mattr=cmov | FileCheck %s --check-prefixes=CHECK,X86 |
| ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefixes=CHECK,X64 |
| |
| declare i4 @llvm.ssub.sat.i4 (i4, i4) |
| declare i32 @llvm.ssub.sat.i32 (i32, i32) |
| declare i64 @llvm.ssub.sat.i64 (i64, i64) |
| declare <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32>, <4 x i32>) |
| |
| define i32 @func(i32 %x, i32 %y) nounwind { |
| ; X86-LABEL: func: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: movl %eax, %esi |
| ; X86-NEXT: subl %edx, %esi |
| ; X86-NEXT: setns %cl |
| ; X86-NEXT: addl $2147483647, %ecx # imm = 0x7FFFFFFF |
| ; X86-NEXT: subl %edx, %eax |
| ; X86-NEXT: cmovol %ecx, %eax |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: func: |
| ; X64: # %bb.0: |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: movl %edi, %ecx |
| ; X64-NEXT: subl %esi, %ecx |
| ; X64-NEXT: setns %al |
| ; X64-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF |
| ; X64-NEXT: subl %esi, %edi |
| ; X64-NEXT: cmovnol %edi, %eax |
| ; X64-NEXT: retq |
| %tmp = call i32 @llvm.ssub.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: pushl %ebp |
| ; X86-NEXT: pushl %ebx |
| ; X86-NEXT: pushl %edi |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ebx |
| ; X86-NEXT: subl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: movl %ebx, %ebp |
| ; X86-NEXT: sbbl %esi, %ebp |
| ; X86-NEXT: movl %ebp, %eax |
| ; X86-NEXT: sarl $31, %eax |
| ; X86-NEXT: xorl %ecx, %ecx |
| ; X86-NEXT: testl %ebp, %ebp |
| ; X86-NEXT: setns %cl |
| ; X86-NEXT: movl %ecx, %edx |
| ; X86-NEXT: addl $2147483647, %edx # imm = 0x7FFFFFFF |
| ; X86-NEXT: testl %ebx, %ebx |
| ; X86-NEXT: setns %bl |
| ; X86-NEXT: cmpb %cl, %bl |
| ; X86-NEXT: setne %cl |
| ; X86-NEXT: testl %esi, %esi |
| ; X86-NEXT: setns %ch |
| ; X86-NEXT: cmpb %ch, %bl |
| ; X86-NEXT: setne %ch |
| ; X86-NEXT: testb %cl, %ch |
| ; X86-NEXT: cmovel %ebp, %edx |
| ; X86-NEXT: cmovel %edi, %eax |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: popl %edi |
| ; X86-NEXT: popl %ebx |
| ; X86-NEXT: popl %ebp |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: func2: |
| ; X64: # %bb.0: |
| ; X64-NEXT: xorl %ecx, %ecx |
| ; X64-NEXT: movq %rdi, %rax |
| ; X64-NEXT: subq %rsi, %rax |
| ; X64-NEXT: setns %cl |
| ; X64-NEXT: movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF |
| ; X64-NEXT: addq %rcx, %rax |
| ; X64-NEXT: subq %rsi, %rdi |
| ; X64-NEXT: cmovnoq %rdi, %rax |
| ; X64-NEXT: retq |
| %tmp = call i64 @llvm.ssub.sat.i64(i64 %x, i64 %y); |
| ret i64 %tmp; |
| } |
| |
| define i4 @func3(i4 %x, i4 %y) nounwind { |
| ; X86-LABEL: func3: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %al |
| ; X86-NEXT: movb {{[0-9]+}}(%esp), %dl |
| ; X86-NEXT: shlb $4, %dl |
| ; X86-NEXT: shlb $4, %al |
| ; X86-NEXT: movl %eax, %ecx |
| ; X86-NEXT: subb %dl, %cl |
| ; X86-NEXT: setns %cl |
| ; X86-NEXT: subb %dl, %al |
| ; X86-NEXT: jno .LBB2_2 |
| ; X86-NEXT: # %bb.1: |
| ; X86-NEXT: addb $127, %cl |
| ; X86-NEXT: movl %ecx, %eax |
| ; X86-NEXT: .LBB2_2: |
| ; X86-NEXT: sarb $4, %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: func3: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: shlb $4, %sil |
| ; X64-NEXT: shlb $4, %al |
| ; X64-NEXT: movl %eax, %ecx |
| ; X64-NEXT: subb %sil, %cl |
| ; X64-NEXT: setns %cl |
| ; X64-NEXT: subb %sil, %al |
| ; X64-NEXT: jno .LBB2_2 |
| ; X64-NEXT: # %bb.1: |
| ; X64-NEXT: addb $127, %cl |
| ; X64-NEXT: movl %ecx, %eax |
| ; X64-NEXT: .LBB2_2: |
| ; X64-NEXT: sarb $4, %al |
| ; X64-NEXT: # kill: def $al killed $al killed $eax |
| ; X64-NEXT: retq |
| %tmp = call i4 @llvm.ssub.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 %ebp |
| ; X86-NEXT: pushl %ebx |
| ; X86-NEXT: pushl %edi |
| ; X86-NEXT: pushl %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: movl %ecx, %esi |
| ; X86-NEXT: subl %edx, %esi |
| ; X86-NEXT: setns %al |
| ; X86-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF |
| ; X86-NEXT: subl %edx, %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx |
| ; X86-NEXT: cmovol %eax, %ecx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: movl %edx, %edi |
| ; X86-NEXT: subl %esi, %edi |
| ; X86-NEXT: setns %al |
| ; X86-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF |
| ; X86-NEXT: subl %esi, %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X86-NEXT: cmovol %eax, %edx |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: xorl %eax, %eax |
| ; X86-NEXT: movl %esi, %ebx |
| ; X86-NEXT: subl %edi, %ebx |
| ; X86-NEXT: setns %al |
| ; X86-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF |
| ; X86-NEXT: subl %edi, %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi |
| ; X86-NEXT: cmovol %eax, %esi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: xorl %ebx, %ebx |
| ; X86-NEXT: movl %edi, %ebp |
| ; X86-NEXT: subl %eax, %ebp |
| ; X86-NEXT: setns %bl |
| ; X86-NEXT: addl $2147483647, %ebx # imm = 0x7FFFFFFF |
| ; X86-NEXT: subl %eax, %edi |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: cmovol %ebx, %edi |
| ; X86-NEXT: movl %ecx, 12(%eax) |
| ; X86-NEXT: movl %edx, 8(%eax) |
| ; X86-NEXT: movl %esi, 4(%eax) |
| ; X86-NEXT: movl %edi, (%eax) |
| ; X86-NEXT: popl %esi |
| ; X86-NEXT: popl %edi |
| ; X86-NEXT: popl %ebx |
| ; X86-NEXT: popl %ebp |
| ; X86-NEXT: retl $4 |
| ; |
| ; X64-LABEL: vec: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movdqa %xmm0, %xmm2 |
| ; X64-NEXT: pxor %xmm3, %xmm3 |
| ; X64-NEXT: pxor %xmm0, %xmm0 |
| ; X64-NEXT: pcmpgtd %xmm1, %xmm0 |
| ; X64-NEXT: pcmpeqd %xmm4, %xmm4 |
| ; X64-NEXT: pxor %xmm4, %xmm0 |
| ; X64-NEXT: pxor %xmm5, %xmm5 |
| ; X64-NEXT: pcmpgtd %xmm2, %xmm5 |
| ; X64-NEXT: pxor %xmm4, %xmm5 |
| ; X64-NEXT: pcmpeqd %xmm5, %xmm0 |
| ; X64-NEXT: psubd %xmm1, %xmm2 |
| ; X64-NEXT: pcmpgtd %xmm2, %xmm3 |
| ; X64-NEXT: movdqa %xmm3, %xmm1 |
| ; X64-NEXT: pxor %xmm4, %xmm1 |
| ; X64-NEXT: pcmpeqd %xmm5, %xmm1 |
| ; X64-NEXT: pxor %xmm4, %xmm1 |
| ; X64-NEXT: pandn %xmm1, %xmm0 |
| ; X64-NEXT: movdqa %xmm3, %xmm1 |
| ; X64-NEXT: pandn {{.*}}(%rip), %xmm1 |
| ; X64-NEXT: psrld $1, %xmm3 |
| ; X64-NEXT: por %xmm1, %xmm3 |
| ; X64-NEXT: pand %xmm0, %xmm3 |
| ; X64-NEXT: pandn %xmm2, %xmm0 |
| ; X64-NEXT: por %xmm3, %xmm0 |
| ; X64-NEXT: retq |
| %tmp = call <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32> %x, <4 x i32> %y); |
| ret <4 x i32> %tmp; |
| } |