68 lines
2.2 KiB
LLVM
68 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -fast-isel -mtriple=i686-unknown-unknown -O0 -mcpu=skx | FileCheck %s
|
|
|
|
@c = external global i8, align 1
|
|
|
|
; Function Attrs: noinline nounwind
|
|
define void @_Z1av() {
|
|
; CHECK-LABEL: _Z1av:
|
|
; CHECK: # BB#0: # %entry
|
|
; CHECK-NEXT: pushl %ebx
|
|
; CHECK-NEXT: .Lcfi0:
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
|
; CHECK-NEXT: subl $8, %esp
|
|
; CHECK-NEXT: .Lcfi1:
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
; CHECK-NEXT: .Lcfi2:
|
|
; CHECK-NEXT: .cfi_offset %ebx, -8
|
|
; CHECK-NEXT: xorl %eax, %eax
|
|
; CHECK-NEXT: movb %al, %cl
|
|
; CHECK-NEXT: movb $1, %dl
|
|
; CHECK-NEXT: movb c, %ch
|
|
; CHECK-NEXT: # implicit-def: %EAX
|
|
; CHECK-NEXT: movb %ch, %al
|
|
; CHECK-NEXT: andl $1, %eax
|
|
; CHECK-NEXT: kmovw %eax, %k0
|
|
; CHECK-NEXT: kmovq %k0, %k1
|
|
; CHECK-NEXT: kxnorw %k0, %k0, %k2
|
|
; CHECK-NEXT: kshiftrw $15, %k2, %k2
|
|
; CHECK-NEXT: kxorw %k2, %k0, %k0
|
|
; CHECK-NEXT: kmovb %k0, %ebx
|
|
; CHECK-NEXT: testb $1, %bl
|
|
; CHECK-NEXT: kmovb %ecx, %k0
|
|
; CHECK-NEXT: kmovw %k1, {{[0-9]+}}(%esp) # 2-byte Spill
|
|
; CHECK-NEXT: movb %dl, {{[0-9]+}}(%esp) # 1-byte Spill
|
|
; CHECK-NEXT: kmovw %k0, (%esp) # 2-byte Spill
|
|
; CHECK-NEXT: jne .LBB0_1
|
|
; CHECK-NEXT: jmp .LBB0_2
|
|
; CHECK-NEXT: .LBB0_1: # %land.rhs
|
|
; CHECK-NEXT: xorl %eax, %eax
|
|
; CHECK-NEXT: movb %al, %cl
|
|
; CHECK-NEXT: kmovb %ecx, %k0
|
|
; CHECK-NEXT: kmovw %k0, (%esp) # 2-byte Spill
|
|
; CHECK-NEXT: jmp .LBB0_2
|
|
; CHECK-NEXT: .LBB0_2: # %land.end
|
|
; CHECK-NEXT: kmovw (%esp), %k0 # 2-byte Reload
|
|
; CHECK-NEXT: kmovb %k0, %eax
|
|
; CHECK-NEXT: andb $1, %al
|
|
; CHECK-NEXT: movb %al, {{[0-9]+}}(%esp)
|
|
; CHECK-NEXT: addl $8, %esp
|
|
; CHECK-NEXT: popl %ebx
|
|
; CHECK-NEXT: retl
|
|
entry:
|
|
%b = alloca i8, align 1
|
|
%0 = load i8, i8* @c, align 1
|
|
%tobool = trunc i8 %0 to i1
|
|
%lnot = xor i1 %tobool, true
|
|
br i1 %lnot, label %land.rhs, label %land.end
|
|
|
|
land.rhs: ; preds = %entry
|
|
br label %land.end
|
|
|
|
land.end: ; preds = %land.rhs, %entry
|
|
%1 = phi i1 [ false, %entry ], [ false, %land.rhs ]
|
|
%conv = zext i1 %1 to i8
|
|
store i8 %conv, i8* %b, align 1
|
|
ret void
|
|
}
|