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
| ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; CHECK: Invariant Accesses: {
; CHECK-NEXT: }
;
; CHECK-NOT: Stmt_if_then
;
;
; void f(int *A) {
; for (int i = 1; i < 10; i++) {
; A[i]++;
; if (i > 10)
; A[i] += A[0];
; }
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 1, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 10
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp = load i32, i32* %arrayidx, align 4
%inc = add nsw i32 %tmp, 1
store i32 %inc, i32* %arrayidx, align 4
br i1 false, label %if.then, label %if.end
if.then: ; preds = %for.body
%tmp1 = load i32, i32* %A, align 4
%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp2 = load i32, i32* %arrayidx4, align 4
%add = add nsw i32 %tmp2, %tmp1
store i32 %add, i32* %arrayidx4, align 4
br label %if.end
if.end: ; preds = %if.then, %for.body
br label %for.inc
for.inc: ; preds = %if.end
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
|