mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
08b29b5d00
Without this CHECK line, we may not detect incorrectly detected additional regions at the end of the region tree. llvm-svn: 290994
44 lines
1.1 KiB
LLVM
44 lines
1.1 KiB
LLVM
; REQUIRES: asserts
|
|
; RUN: opt -regions -analyze < %s | FileCheck %s
|
|
|
|
; While working on improvements to the region info analysis, this test
|
|
; case caused an incorrect region 3 => 8 to be detected.
|
|
|
|
define internal i8 @wibble() {
|
|
bb:
|
|
br i1 true, label %bb1, label %bb8
|
|
|
|
bb1: ; preds = %bb
|
|
switch i32 0, label %bb2 [
|
|
i32 0, label %bb3
|
|
i32 1, label %bb7
|
|
]
|
|
|
|
bb2: ; preds = %bb1
|
|
br label %bb4
|
|
|
|
bb3: ; preds = %bb1
|
|
br label %bb5
|
|
|
|
bb4: ; preds = %bb2
|
|
br label %bb6
|
|
|
|
bb5: ; preds = %bb3
|
|
br label %bb6
|
|
|
|
bb6: ; preds = %bb5, %bb4
|
|
br label %bb7
|
|
|
|
bb7: ; preds = %bb6, %bb1
|
|
br label %bb8
|
|
|
|
bb8: ; preds = %bb7, %bb
|
|
ret i8 1
|
|
}
|
|
|
|
; CHECK: [0] bb => <Function Return>
|
|
; CHECK-NEXT: [1] bb => bb8
|
|
; CHECK-NEXT: [2] bb1 => bb7
|
|
; CHECK-NEXT: End region tree
|
|
|