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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mcpu=skx | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=i686-unknown -mcpu=skx -O0 | FileCheck %s --check-prefix=X86-O0
; RUN: llc < %s -mtriple=x86_64-unknown -mcpu=skx | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=x86_64-unknown -mcpu=skx -O0 | FileCheck %s --check-prefix=X64-O0
@c = external constant i8, align 1
define void @foo() {
; X86-LABEL: foo:
; X86: # BB#0: # %entry
; X86-NEXT: subl $8, %esp
; X86-NEXT: .Lcfi0:
; X86-NEXT: .cfi_def_cfa_offset 12
; X86-NEXT: movzbl c, %eax
; X86-NEXT: xorl %ecx, %ecx
; X86-NEXT: testl %eax, %eax
; X86-NEXT: setne %cl
; X86-NEXT: testb %al, %al
; X86-NEXT: setne {{[0-9]+}}(%esp)
; X86-NEXT: xorl %edx, %edx
; X86-NEXT: cmpl %eax, %ecx
; X86-NEXT: setle %dl
; X86-NEXT: movl %edx, {{[0-9]+}}(%esp)
; X86-NEXT: addl $8, %esp
; X86-NEXT: retl
;
; X86-O0-LABEL: foo:
; X86-O0: # BB#0: # %entry
; X86-O0-NEXT: subl $12, %esp
; X86-O0-NEXT: .Lcfi0:
; X86-O0-NEXT: .cfi_def_cfa_offset 16
; X86-O0-NEXT: movzbl c, %eax
; X86-O0-NEXT: testl %eax, %eax
; X86-O0-NEXT: setne %cl
; X86-O0-NEXT: movl %eax, %edx
; X86-O0-NEXT: movb %dl, %ch
; X86-O0-NEXT: testb %ch, %ch
; X86-O0-NEXT: setne {{[0-9]+}}(%esp)
; X86-O0-NEXT: movzbl %cl, %edx
; X86-O0-NEXT: subl %eax, %edx
; X86-O0-NEXT: setle %cl
; X86-O0-NEXT: # implicit-def: %EAX
; X86-O0-NEXT: movb %cl, %al
; X86-O0-NEXT: andl $1, %eax
; X86-O0-NEXT: kmovd %eax, %k0
; X86-O0-NEXT: kmovd %k0, %eax
; X86-O0-NEXT: movb %al, %cl
; X86-O0-NEXT: andb $1, %cl
; X86-O0-NEXT: movzbl %cl, %eax
; X86-O0-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X86-O0-NEXT: movl %edx, (%esp) # 4-byte Spill
; X86-O0-NEXT: addl $12, %esp
; X86-O0-NEXT: retl
;
; X64-LABEL: foo:
; X64: # BB#0: # %entry
; X64-NEXT: movzbl {{.*}}(%rip), %eax
; X64-NEXT: testb %al, %al
; X64-NEXT: setne -{{[0-9]+}}(%rsp)
; X64-NEXT: xorl %ecx, %ecx
; X64-NEXT: testl %eax, %eax
; X64-NEXT: setne %cl
; X64-NEXT: xorl %edx, %edx
; X64-NEXT: cmpl %eax, %ecx
; X64-NEXT: setle %dl
; X64-NEXT: movl %edx, -{{[0-9]+}}(%rsp)
; X64-NEXT: retq
;
; X64-O0-LABEL: foo:
; X64-O0: # BB#0: # %entry
; X64-O0-NEXT: movzbl {{.*}}(%rip), %eax
; X64-O0-NEXT: movl %eax, %ecx
; X64-O0-NEXT: movb %cl, %dl
; X64-O0-NEXT: movl %ecx, %eax
; X64-O0-NEXT: testq %rcx, %rcx
; X64-O0-NEXT: setne %sil
; X64-O0-NEXT: testb %dl, %dl
; X64-O0-NEXT: setne -{{[0-9]+}}(%rsp)
; X64-O0-NEXT: movzbl %sil, %edi
; X64-O0-NEXT: subl %eax, %edi
; X64-O0-NEXT: setle %dl
; X64-O0-NEXT: # implicit-def: %EAX
; X64-O0-NEXT: movb %dl, %al
; X64-O0-NEXT: andl $1, %eax
; X64-O0-NEXT: kmovd %eax, %k0
; X64-O0-NEXT: kmovd %k0, %eax
; X64-O0-NEXT: movb %al, %dl
; X64-O0-NEXT: andb $1, %dl
; X64-O0-NEXT: movzbl %dl, %eax
; X64-O0-NEXT: movl %eax, -{{[0-9]+}}(%rsp)
; X64-O0-NEXT: movl %edi, -{{[0-9]+}}(%rsp) # 4-byte Spill
; X64-O0-NEXT: retq
entry:
%a = alloca i8, align 1
%b = alloca i32, align 4
%0 = load i8, i8* @c, align 1
%conv = zext i8 %0 to i32
%sub = sub nsw i32 0, %conv
%conv1 = sext i32 %sub to i64
%sub2 = sub nsw i64 0, %conv1
%conv3 = trunc i64 %sub2 to i8
%tobool = icmp ne i8 %conv3, 0
%frombool = zext i1 %tobool to i8
store i8 %frombool, i8* %a, align 1
%1 = load i8, i8* @c, align 1
%tobool4 = icmp ne i8 %1, 0
%lnot = xor i1 %tobool4, true
%lnot5 = xor i1 %lnot, true
%conv6 = zext i1 %lnot5 to i32
%2 = load i8, i8* @c, align 1
%conv7 = zext i8 %2 to i32
%cmp = icmp sle i32 %conv6, %conv7
%conv8 = zext i1 %cmp to i32
store i32 %conv8, i32* %b, align 4
ret void
}
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