derek.holloway
7502bf64a4
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226 lines
6.9 KiB
LLVM
226 lines
6.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686 -mattr=cmov | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefix=X64
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declare i4 @llvm.ssub.sat.i4(i4, i4)
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declare i8 @llvm.ssub.sat.i8(i8, i8)
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declare i16 @llvm.ssub.sat.i16(i16, i16)
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declare i32 @llvm.ssub.sat.i32(i32, i32)
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declare i64 @llvm.ssub.sat.i64(i64, i64)
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declare <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32>, <4 x i32>)
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define i32 @func(i32 %x, i32 %y) nounwind {
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; X86-LABEL: func:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: xorl %ecx, %ecx
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; X86-NEXT: cmpl %edx, %eax
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; X86-NEXT: setns %cl
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; X86-NEXT: addl $2147483647, %ecx # imm = 0x7FFFFFFF
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; X86-NEXT: subl %edx, %eax
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; X86-NEXT: cmovol %ecx, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: func:
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; X64: # %bb.0:
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; X64-NEXT: xorl %eax, %eax
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; X64-NEXT: cmpl %esi, %edi
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; X64-NEXT: setns %al
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; X64-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF
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; X64-NEXT: subl %esi, %edi
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; X64-NEXT: cmovnol %edi, %eax
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; X64-NEXT: retq
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%tmp = call i32 @llvm.ssub.sat.i32(i32 %x, i32 %y)
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ret i32 %tmp
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}
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define i64 @func2(i64 %x, i64 %y) nounwind {
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; X86-LABEL: func2:
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; X86: # %bb.0:
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; X86-NEXT: pushl %ebx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: sbbl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: seto %bl
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; X86-NEXT: movl %ecx, %edx
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; X86-NEXT: sarl $31, %edx
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; X86-NEXT: testb %bl, %bl
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; X86-NEXT: cmovnel %edx, %eax
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; X86-NEXT: addl $-2147483648, %edx # imm = 0x80000000
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; X86-NEXT: testb %bl, %bl
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; X86-NEXT: cmovel %ecx, %edx
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; X86-NEXT: popl %ebx
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; X86-NEXT: retl
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;
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; X64-LABEL: func2:
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; X64: # %bb.0:
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; X64-NEXT: xorl %ecx, %ecx
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; X64-NEXT: cmpq %rsi, %rdi
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; X64-NEXT: setns %cl
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; X64-NEXT: movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF
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; X64-NEXT: addq %rcx, %rax
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; X64-NEXT: subq %rsi, %rdi
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; X64-NEXT: cmovnoq %rdi, %rax
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; X64-NEXT: retq
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%tmp = call i64 @llvm.ssub.sat.i64(i64 %x, i64 %y)
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ret i64 %tmp
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}
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define signext i16 @func16(i16 signext %x, i16 signext %y) nounwind {
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; X86-LABEL: func16:
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; X86: # %bb.0:
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movzwl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: xorl %ecx, %ecx
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; X86-NEXT: cmpw %dx, %ax
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; X86-NEXT: setns %cl
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; X86-NEXT: addl $32767, %ecx # imm = 0x7FFF
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; X86-NEXT: subw %dx, %ax
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; X86-NEXT: cmovol %ecx, %eax
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; X86-NEXT: # kill: def $ax killed $ax killed $eax
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; X86-NEXT: retl
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;
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; X64-LABEL: func16:
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; X64: # %bb.0:
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; X64-NEXT: xorl %eax, %eax
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; X64-NEXT: cmpw %si, %di
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; X64-NEXT: setns %al
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; X64-NEXT: addl $32767, %eax # imm = 0x7FFF
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; X64-NEXT: subw %si, %di
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; X64-NEXT: cmovnol %edi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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%tmp = call i16 @llvm.ssub.sat.i16(i16 %x, i16 %y)
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ret i16 %tmp
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}
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define signext i8 @func8(i8 signext %x, i8 signext %y) nounwind {
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; X86-LABEL: func8:
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; X86: # %bb.0:
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; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movzbl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: xorl %ecx, %ecx
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; X86-NEXT: cmpb %dl, %al
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; X86-NEXT: setns %cl
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; X86-NEXT: addl $127, %ecx
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; X86-NEXT: subb %dl, %al
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; X86-NEXT: movzbl %al, %eax
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; X86-NEXT: cmovol %ecx, %eax
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; X86-NEXT: # kill: def $al killed $al killed $eax
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; X86-NEXT: retl
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;
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; X64-LABEL: func8:
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; X64: # %bb.0:
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; X64-NEXT: xorl %ecx, %ecx
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; X64-NEXT: cmpb %sil, %dil
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; X64-NEXT: setns %cl
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; X64-NEXT: addl $127, %ecx
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; X64-NEXT: subb %sil, %dil
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; X64-NEXT: movzbl %dil, %eax
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; X64-NEXT: cmovol %ecx, %eax
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; X64-NEXT: # kill: def $al killed $al killed $eax
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; X64-NEXT: retq
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%tmp = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y)
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ret i8 %tmp
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}
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define signext i4 @func3(i4 signext %x, i4 signext %y) nounwind {
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; X86-LABEL: func3:
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; X86: # %bb.0:
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; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: subb {{[0-9]+}}(%esp), %al
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; X86-NEXT: movzbl %al, %ecx
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; X86-NEXT: cmpb $7, %al
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; X86-NEXT: movl $7, %eax
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; X86-NEXT: cmovll %ecx, %eax
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; X86-NEXT: cmpb $-7, %al
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; X86-NEXT: movl $248, %ecx
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; X86-NEXT: cmovgel %eax, %ecx
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; X86-NEXT: movsbl %cl, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: func3:
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; X64: # %bb.0:
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; X64-NEXT: subb %sil, %dil
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; X64-NEXT: movzbl %dil, %eax
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; X64-NEXT: cmpb $7, %al
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; X64-NEXT: movl $7, %ecx
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; X64-NEXT: cmovll %eax, %ecx
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; X64-NEXT: cmpb $-7, %cl
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; X64-NEXT: movl $248, %eax
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; X64-NEXT: cmovgel %ecx, %eax
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; X64-NEXT: movsbl %al, %eax
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; X64-NEXT: retq
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%tmp = call i4 @llvm.ssub.sat.i4(i4 %x, i4 %y)
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ret i4 %tmp
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}
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define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind {
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; X86-LABEL: vec:
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; X86: # %bb.0:
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; X86-NEXT: pushl %ebx
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; X86-NEXT: pushl %edi
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; X86-NEXT: pushl %esi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpl %edx, %ecx
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; X86-NEXT: setns %al
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; X86-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF
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; X86-NEXT: subl %edx, %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NEXT: cmovol %eax, %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpl %esi, %edx
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; X86-NEXT: setns %al
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; X86-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF
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; X86-NEXT: subl %esi, %edx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X86-NEXT: cmovol %eax, %edx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edi
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: cmpl %edi, %esi
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; X86-NEXT: setns %al
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; X86-NEXT: addl $2147483647, %eax # imm = 0x7FFFFFFF
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; X86-NEXT: subl %edi, %esi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %edi
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; X86-NEXT: cmovol %eax, %esi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: xorl %ebx, %ebx
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; X86-NEXT: cmpl %eax, %edi
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; X86-NEXT: setns %bl
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; X86-NEXT: addl $2147483647, %ebx # imm = 0x7FFFFFFF
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; X86-NEXT: subl %eax, %edi
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: cmovol %ebx, %edi
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; X86-NEXT: movl %ecx, 12(%eax)
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; X86-NEXT: movl %edx, 8(%eax)
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; X86-NEXT: movl %esi, 4(%eax)
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; X86-NEXT: movl %edi, (%eax)
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; X86-NEXT: popl %esi
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; X86-NEXT: popl %edi
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; X86-NEXT: popl %ebx
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; X86-NEXT: retl $4
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;
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; X64-LABEL: vec:
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; X64: # %bb.0:
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; X64-NEXT: movdqa %xmm1, %xmm2
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; X64-NEXT: pcmpgtd %xmm0, %xmm2
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; X64-NEXT: psubd %xmm1, %xmm0
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; X64-NEXT: pxor %xmm1, %xmm1
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; X64-NEXT: pcmpgtd %xmm0, %xmm1
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; X64-NEXT: pxor %xmm2, %xmm1
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; X64-NEXT: movdqa %xmm1, %xmm2
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; X64-NEXT: pandn %xmm0, %xmm2
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; X64-NEXT: psrad $31, %xmm0
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; X64-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
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; X64-NEXT: pand %xmm1, %xmm0
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; X64-NEXT: por %xmm2, %xmm0
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; X64-NEXT: retq
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%tmp = call <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32> %x, <4 x i32> %y)
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ret <4 x i32> %tmp
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}
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