Home | History | Annotate | Download | only in X86
      1 ; RUN: llc -o - -O0 < %s | FileCheck %s
      2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
      3 target triple = "x86_64-unknown-linux-gnu"
      4 
      5 define void @test1(i32 %x) #0 {
      6 ; CHECK-LABEL: test1:
      7 ; CHECK:       # BB#0: # %entry
      8 ; CHECK-NEXT:    pushq %rax
      9 ; CHECK-NEXT:    testl %edi, %edi
     10 ; CHECK-NEXT:    setne %al
     11 ; CHECK-NEXT:    movb %al, %cl
     12 ; CHECK-NEXT:    kmovw %ecx, %k0
     13 ; CHECK-NEXT:    kmovb %k0, %eax
     14 ; CHECK-NEXT:    andb $1, %al
     15 ; CHECK-NEXT:    movzbl %al, %edi
     16 ; CHECK-NEXT:    callq callee1
     17 ; CHECK-NEXT:    popq %rax
     18 ; CHECK-NEXT:    retq
     19 entry:
     20   %tobool = icmp ne i32 %x, 0
     21   call void @callee1(i1 zeroext %tobool)
     22   ret void
     23 }
     24 
     25 define void @test2(i32 %x) #0 {
     26 ; CHECK-LABEL: test2:
     27 ; CHECK:       # BB#0: # %entry
     28 ; CHECK-NEXT:    pushq %rax
     29 ; CHECK-NEXT:    testl %edi, %edi
     30 ; CHECK-NEXT:    setne %al
     31 ; CHECK-NEXT:    movb %al, %cl
     32 ; CHECK-NEXT:    kmovw %ecx, %k0
     33 ; CHECK-NEXT:    kmovw %k0, %ecx
     34 ; CHECK-NEXT:    movb %cl, %al
     35 ; CHECK-NEXT:    xorl %edi, %edi
     36 ; CHECK-NEXT:    testb %al, %al
     37 ; CHECK-NEXT:    movl $-1, %edx
     38 ; CHECK-NEXT:    cmovnel %edx, %edi
     39 ; CHECK-NEXT:    callq callee2
     40 ; CHECK-NEXT:    popq %rax
     41 ; CHECK-NEXT:    retq
     42 entry:
     43   %tobool = icmp ne i32 %x, 0
     44   call void @callee2(i1 signext %tobool)
     45   ret void
     46 }
     47 
     48 declare void @callee1(i1 zeroext)
     49 declare void @callee2(i1 signext)
     50 
     51 attributes #0 = { nounwind "target-cpu"="skylake-avx512" }
     52