1; RUN: opt %loadPolly -polly-import-jscop \
2; RUN:   -polly-codegen -polly-invariant-load-hoisting -S \
3; RUN:   2>&1 < %s | FileCheck %s
4
5; Setting new access functions where the base pointer of the array that is newly
6; accessed is only loaded within the scop itself caused incorrect code to be
7; generated when invariant load hoisting is disabled. This test case checks
8; that in case invariant load hoisting is enabled, we generate correct code.
9
10; CHECK: %polly.access.polly.access.X.load = getelementptr float, float* %polly.access.X.load, i64 %polly.indvar
11
12define void @invariant_base_ptr(float* noalias %Array, float** noalias %X,
13                                float* noalias %C) {
14
15start:
16  br label %loop
17
18loop:
19  %indvar = phi i64 [0, %start], [%indvar.next, %latch]
20  %indvar.next = add i64 %indvar, 1
21  %cmp = icmp slt i64 %indvar, 1024
22  br i1 %cmp, label %body, label %exit
23
24body:
25  %gep= getelementptr float, float* %Array, i64 %indvar
26  store float 42.0, float* %gep
27  br label %body2
28
29body2:
30  %Base = load float*, float** %X
31  %gep2 = getelementptr float, float* %Base, i64 %indvar
32  %val2 = load float, float* %gep2
33  store float %val2, float* %C
34  br label %latch
35
36latch:
37  br label %loop
38
39exit:
40  ret void
41}
42