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
|
; RUN: llc < %s -march=x86-64 | FileCheck %s
declare void @bar()
define void @test1(i32* nocapture %X) nounwind {
entry:
%tmp1 = load i32* %X, align 4
%and = and i32 %tmp1, 255
%cmp = icmp eq i32 %and, 47
br i1 %cmp, label %if.then, label %if.end
if.then:
tail call void @bar() nounwind
br label %if.end
if.end:
ret void
; CHECK: test1:
; CHECK: cmpb $47, (%{{rdi|rcx}})
}
define void @test2(i32 %X) nounwind {
entry:
%and = and i32 %X, 255
%cmp = icmp eq i32 %and, 47
br i1 %cmp, label %if.then, label %if.end
if.then:
tail call void @bar() nounwind
br label %if.end
if.end:
ret void
; CHECK: test2:
; CHECK: cmpb $47, %{{dil|cl}}
}
|
