|
236
|
1 ; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s
|
|
|
2 ;
|
|
|
3 ; This caused the code generation to generate invalid code as the same BBMap was
|
|
|
4 ; used for the whole non-affine region. When %add is synthesized for the
|
|
|
5 ; incoming value of subregion_if first, the code for it was generated into
|
|
|
6 ; subregion_if, but reused for the incoming value of subregion_exit, although it
|
|
|
7 ; is not dominated by subregion_if.
|
|
|
8 ;
|
|
|
9 ; CHECK-LABEL: polly.stmt.subregion_entry:
|
|
|
10 ; CHECK: %[[R0:[0-9]*]] = add i32 %n, -2
|
|
|
11 ;
|
|
|
12 ; CHECK-LABEL: polly.stmt.subregion_if:
|
|
|
13 ; CHECK: %[[R1:[0-9]*]] = add i32 %n, -2
|
|
|
14 ;
|
|
|
15 ; CHECK-LABEL: polly.stmt.subregion_exit.region_exiting:
|
|
|
16 ; CHECK: %polly.retval = phi i32 [ %[[R1]], %polly.stmt.subregion_if ], [ %[[R0]], %polly.stmt.subregion_entry ]
|
|
|
17
|
|
|
18 define i32 @func(i32 %n){
|
|
|
19 entry:
|
|
|
20 br label %subregion_entry
|
|
|
21
|
|
|
22 subregion_entry:
|
|
|
23 %add = add nsw i32 %n, -2
|
|
|
24 %cmp = fcmp ogt float undef, undef
|
|
|
25 br i1 %cmp, label %subregion_if, label %subregion_exit
|
|
|
26
|
|
|
27 subregion_if:
|
|
|
28 br label %subregion_exit
|
|
|
29
|
|
|
30 subregion_exit:
|
|
|
31 %retval = phi i32 [ %add, %subregion_if ], [ %add, %subregion_entry ]
|
|
|
32 ret i32 %retval
|
|
|
33 }
|
