llvm.org GIT mirror llvm / release_90 test / CodeGen / X86 / uadd_sat.ll
release_90

Tree @release_90 (Download .tar.gz)

uadd_sat.ll @release_90raw · history · blame

; 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.uadd.sat.i4   (i4,  i4)
declare  i32 @llvm.uadd.sat.i32  (i32, i32)
declare  i64 @llvm.uadd.sat.i64  (i64, i64)
declare  <4 x i32> @llvm.uadd.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), %ecx
; X86-NEXT:    addl {{[0-9]+}}(%esp), %ecx
; X86-NEXT:    movl $-1, %eax
; X86-NEXT:    cmovael %ecx, %eax
; X86-NEXT:    retl
;
; X64-LABEL: func:
; X64:       # %bb.0:
; X64-NEXT:    addl %esi, %edi
; X64-NEXT:    movl $-1, %eax
; X64-NEXT:    cmovael %edi, %eax
; X64-NEXT:    retq
  %tmp = call i32 @llvm.uadd.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:    addl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    adcl {{[0-9]+}}(%esp), %edx
; X86-NEXT:    movl $-1, %ecx
; X86-NEXT:    cmovbl %ecx, %edx
; X86-NEXT:    cmovbl %ecx, %eax
; X86-NEXT:    retl
;
; X64-LABEL: func2:
; X64:       # %bb.0:
; X64-NEXT:    addq %rsi, %rdi
; X64-NEXT:    movq $-1, %rax
; X64-NEXT:    cmovaeq %rdi, %rax
; X64-NEXT:    retq
  %tmp = call i64 @llvm.uadd.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), %cl
; X86-NEXT:    shlb $4, %cl
; X86-NEXT:    shlb $4, %al
; X86-NEXT:    addb %cl, %al
; X86-NEXT:    movzbl %al, %ecx
; X86-NEXT:    movl $255, %eax
; X86-NEXT:    cmovael %ecx, %eax
; X86-NEXT:    shrb $4, %al
; X86-NEXT:    # kill: def $al killed $al killed $eax
; X86-NEXT:    retl
;
; X64-LABEL: func3:
; X64:       # %bb.0:
; X64-NEXT:    shlb $4, %sil
; X64-NEXT:    shlb $4, %dil
; X64-NEXT:    addb %sil, %dil
; X64-NEXT:    movzbl %dil, %ecx
; X64-NEXT:    movl $255, %eax
; X64-NEXT:    cmovael %ecx, %eax
; X64-NEXT:    shrb $4, %al
; X64-NEXT:    # kill: def $al killed $al killed $eax
; X64-NEXT:    retq
  %tmp = call i4 @llvm.uadd.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), %ecx
; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
; X86-NEXT:    addl {{[0-9]+}}(%esp), %edi
; X86-NEXT:    movl $-1, %ebx
; X86-NEXT:    cmovbl %ebx, %edi
; X86-NEXT:    addl {{[0-9]+}}(%esp), %esi
; X86-NEXT:    cmovbl %ebx, %esi
; X86-NEXT:    addl {{[0-9]+}}(%esp), %edx
; X86-NEXT:    cmovbl %ebx, %edx
; X86-NEXT:    addl {{[0-9]+}}(%esp), %ecx
; X86-NEXT:    cmovbl %ebx, %ecx
; 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:    retl $4
;
; X64-LABEL: vec:
; X64:       # %bb.0:
; X64-NEXT:    movdqa {{.*#+}} xmm2 = [2147483648,2147483648,2147483648,2147483648]
; X64-NEXT:    paddd %xmm0, %xmm1
; X64-NEXT:    pxor %xmm2, %xmm0
; X64-NEXT:    pxor %xmm1, %xmm2
; X64-NEXT:    pcmpgtd %xmm2, %xmm0
; X64-NEXT:    por %xmm1, %xmm0
; X64-NEXT:    retq
  %tmp = call <4 x i32> @llvm.uadd.sat.v4i32(<4 x i32> %x, <4 x i32> %y);
  ret <4 x i32> %tmp;
}