mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 16:33:37 +01:00
30 lines
818 B
LLVM
30 lines
818 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: llvm-as < %s | opt -analyze -loops | \
|
|
; RUN: grep { Loop at depth 3 containing: %Inner<header><latch><exit>}
|
|
;
|
|
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
|
|
}
|
|
|