constant_condition.ll
1.39 KB
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
;RUN: opt %loadPolly -polly-prepare -polly-ast -analyze < %s | FileCheck %s
;#include <string.h>
;int A[1];
;
;void constant_condition () {
; int a = 0;
; int b = 0;
;
; if (a == b)
; A[0] = 0;
; else
; A[0] = 1;
;}
;
;int main () {
; int i;
;
; A[0] = 2;
;
; constant_condition();
;
; return A[0];
;}
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
@A = common global [1 x i32] zeroinitializer, align 4 ; <[1 x i32]*> [#uses=1]
define void @constant_condition() nounwind {
bb:
%tmp = icmp eq i32 0, 0 ; <i1> [#uses=0]
br i1 true, label %bb1, label %bb2
bb1: ; preds = %bb
store i32 0, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @A, i32 0, i32 0)
br label %bb3
bb2: ; preds = %bb
store i32 1, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @A, i32 0, i32 0)
br label %bb3
bb3: ; preds = %bb2, %bb1
ret void
}
define i32 @main() nounwind {
bb:
store i32 2, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @A, i32 0, i32 0)
call void @constant_condition()
%tmp = load i32, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @A, i32 0, i32 0) ; <i32> [#uses=1]
ret i32 %tmp
}
; CHECK: Stmt_bb1();