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
| ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; TODO: We do not allow unbounded loops at the moment.
;
; CHECK-NOT: Stmt_for_body
;
; void f(int *A, int N, int M) {
; for (int i = M; i > N; i++)
; A[i] = i;
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
define void @f(i32* %A, i32 %N, i32 %M) {
entry:
br label %entry.split
entry.split:
%cmp.1 = icmp sgt i32 %M, %N
br i1 %cmp.1, label %for.body, label %for.end
for.body:
%indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ %M, %entry.split ]
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
store i32 %indvars.iv, i32* %arrayidx, align 4
%cmp = icmp slt i32 %M, %N
%indvars.iv.next = add i32 %indvars.iv, 1
br i1 %cmp, label %for.cond.for.end_crit_edge, label %for.body
for.cond.for.end_crit_edge:
br label %for.end
for.end:
ret void
}
|