• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: opt %loadPolly -disable-basic-aa -polly-detect -polly-import-jscop -polly-codegen -analyze < %s | FileCheck %s
2;
3; Polly codegen used to generate invalid code (referring to %ptr from the
4; original region) when regeneration of the access function is necessary.
5; The SCoP is now rejected as a whole because %ptr is not considered a valid
6; base pointer.
7;
8target 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"
9
10declare float* @getNextBasePtr(float*) readnone nounwind
11
12define void @base_pointer_is_inst_inside_invariant_1(i64 %n, float* %A) {
13entry:
14  br label %for.i
15
16for.i:
17  %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ]
18  br label %S1
19
20S1:
21  %ptr = call float* @getNextBasePtr(float* %A)
22  %conv = sitofp i64 %indvar.i to float
23  %arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i
24  store float %conv, float* %arrayidx5, align 4
25  br label %for.i.inc
26
27for.i.inc:
28  %indvar.i.next = add i64 %indvar.i, 1
29  %exitcond.i = icmp ne i64 %indvar.i.next, %n
30  br i1 %exitcond.i, label %for.i, label %exit
31
32exit:
33  ret void
34}
35
36
37; CHECK-NOT: Valid Region for Scop
38