schedule-const-post-dominator-walk.ll
1.24 KB
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
; RUN: opt %loadPolly -analyze -polly-scops < %s | FileCheck %s
; The SCoP contains a loop with multiple exit blocks (BBs after leaving
; the loop). The current implementation of deriving their domain derives
; only a common domain for all of the exit blocks. We disabled loops with
; multiple exit blocks until this is fixed.
; XFAIL: *
; CHECK: { Stmt_bb3[i0] -> [0, 0] };
; CHECK: { Stmt_bb2[] -> [1, 0] };
; Verify that we generate the correct schedule. In older versions of Polly,
; we generated an incorrect schedule:
;
; { Stmt_bb3[i0] -> [1, 0]; Stmt_bb2[] -> [0, 0] }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @hoge() {
bb:
br label %bb3
bb1: ; preds = %bb5
br label %bb6
bb2: ; preds = %bb3
%tmp = phi i64 [ %tmp4, %bb3 ]
br label %bb6
bb3: ; preds = %bb5, %bb
%tmp4 = phi i64 [ 0, %bb ], [ 0, %bb5 ]
br i1 false, label %bb5, label %bb2
bb5: ; preds = %bb3
br i1 false, label %bb3, label %bb1
bb6: ; preds = %bb2, %bb1
%tmp2 = phi i64 [ %tmp, %bb2 ], [ undef, %bb1 ]
ret void
}