You've already forked linux-packaging-mono
40 lines
666 B
LLVM
40 lines
666 B
LLVM
|
; REQUIRES: asserts
|
||
|
|
; RUN: opt -regions -analyze < %s | FileCheck %s
|
||
|
|
; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
; While working on improvements to region info analysis, this test
|
||
|
|
; case caused an incorrect region bb2 => bb3 to be detected.
|
||
|
|
|
||
|
|
define internal i8 @main_read() nounwind {
|
||
|
|
bb:
|
||
|
|
br label %bb1
|
||
|
|
|
||
|
|
bb1:
|
||
|
|
br i1 true, label %bb2, label %bb7
|
||
|
|
|
||
|
|
bb2:
|
||
|
|
br i1 true, label %bb4, label %bb3
|
||
|
|
|
||
|
|
bb3:
|
||
|
|
br i1 true, label %bb4, label %bb8
|
||
|
|
|
||
|
|
bb4:
|
||
|
|
br label %bb5
|
||
|
|
|
||
|
|
bb5:
|
||
|
|
br label %bb6
|
||
|
|
|
||
|
|
bb6:
|
||
|
|
br label %bb1
|
||
|
|
|
||
|
|
bb7:
|
||
|
|
br label %bb5
|
||
|
|
|
||
|
|
bb8:
|
||
|
|
ret i8 1
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK: [0] bb => <Function Return>
|
||
|
|
; CHECK-NEXT: [1] bb1 => bb8
|
||
|
|
; CHECK-NEXT: End region tree
|