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
|
; RUN: opt %loadPolly -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s | FileCheck %s
;
; Check that we model the execution context correctly.
;
; void f(unsigned *I, unsigned *A, int c) {
; for (unsigned i = c; i < 10; i++)
; A[i] += *I;
; }
;
; CHECK: Invariant Accesses: {
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [c] -> { Stmt_for_body[i0] -> MemRef_I[0] };
; CHECK-NEXT: Execution Context: [c] -> { : 0 <= c <= 9 }
; CHECK-NEXT: }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(ptr %I, ptr %A, i64 %c) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ %c, %entry ]
%exitcond = icmp ult i64 %indvars.iv, 10
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%tmp = load i32, ptr %I, align 4
%arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
%tmp1 = load i32, ptr %arrayidx, align 4
%add = add i32 %tmp1, %tmp
store i32 %add, ptr %arrayidx, align 4
br label %for.inc
for.inc: ; preds = %for.body
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
|
