30 lines
811 B
LLVM
30 lines
811 B
LLVM
|
; LoopInfo is incorrectly calculating loop nesting! In this case it doesn't
|
||
|
; figure out that loop "Inner" should be nested inside of leep "LoopHeader",
|
||
|
; and instead nests it just inside loop "Top"
|
||
|
;
|
||
|
; RUN: opt < %s -analyze -loops | \
|
||
|
; RUN: grep { Loop at depth 3 containing: %Inner<header><latch><exiting>}
|
||
|
;
|
||
|
define void @test() {
|
||
|
br label %Top
|
||
|
|
||
|
Top: ; preds = %Out, %0
|
||
|
br label %LoopHeader
|
||
|
|
||
|
Next: ; preds = %LoopHeader
|
||
|
br i1 false, label %Inner, label %Out
|
||
|
|
||
|
Inner: ; preds = %Inner, %Next
|
||
|
br i1 false, label %Inner, label %LoopHeader
|
||
|
|
||
|
LoopHeader: ; preds = %Inner, %Top
|
||
|
br label %Next
|
||
|
|
||
|
Out: ; preds = %Next
|
||
|
br i1 false, label %Top, label %Done
|
||
|
|
||
|
Done: ; preds = %Out
|
||
|
ret void
|
||
|
}
|
||
|
|