1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
;RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=slow-incdec | FileCheck %s
@var_21 = external constant i32, align 4
@var_29 = external constant i8, align 1
@var_390 = external global i32, align 4
@var_11 = external constant i8, align 1
@var_370 = external global i8, align 1
; Function Attrs: noinline nounwind optnone uwtable
define void @_Z3foov() {
; CHECK-LABEL: _Z3foov:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movsbl {{.*}}(%rip), %eax
; CHECK-NEXT: negl %eax
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: cmpl %eax, {{.*}}(%rip)
; CHECK-NEXT: setb %cl
; CHECK-NEXT: movl %ecx, {{.*}}(%rip)
; CHECK-NEXT: movb {{.*}}(%rip), %al
; CHECK-NEXT: movb %al, {{.*}}(%rip)
; CHECK-NEXT: retq
entry:
%0 = load i32, i32* @var_21, align 4
%1 = load i8, i8* @var_29, align 1
%conv = sext i8 %1 to i32
%sub = sub nsw i32 0, %conv
%cmp = icmp ult i32 %0, %sub
%conv1 = zext i1 %cmp to i32
%add = add nsw i32 %conv1, -1
%conv2 = trunc i32 %add to i8
%tobool = icmp ne i8 %conv2, 0
%lnot = xor i1 %tobool, true
%conv3 = zext i1 %lnot to i32
store i32 %conv3, i32* @var_390, align 4
%2 = load i8, i8* @var_11, align 1
%conv4 = sext i8 %2 to i16
%conv5 = trunc i16 %conv4 to i8
store i8 %conv5, i8* @var_370, align 1
ret void
}
|