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
|
; RUN: opt < %s -S -passes=ipsccp | FileCheck %s
; RUN: opt < %s -S -ipsccp | FileCheck %s
@_ZL6test1g = internal global i32 42, align 4
define void @_Z7test1f1v() nounwind {
entry:
%tmp = load i32, i32* @_ZL6test1g, align 4
%cmp = icmp eq i32 %tmp, 0
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
store i32 0, i32* @_ZL6test1g, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
; CHECK: @_Z7test1f2v()
; CHECK: entry:
; CHECK-NEXT: ret i32 42
define i32 @_Z7test1f2v() nounwind {
entry:
%tmp = load i32, i32* @_ZL6test1g, align 4
ret i32 %tmp
}
|
