mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
21 lines
599 B
LLVM
21 lines
599 B
LLVM
; This testcase exposed a problem with the loop identification pass (LoopInfo).
|
|
; Basically, it was incorrectly calculating the loop nesting information.
|
|
;
|
|
; RUN: opt < %s -loop-simplify
|
|
|
|
define i32 @yylex() {
|
|
br label %loopentry.0
|
|
loopentry.0: ; preds = %else.4, %0
|
|
br label %loopexit.2
|
|
loopexit.2: ; preds = %else.4, %loopexit.2, %loopentry.0
|
|
br i1 false, label %loopexit.2, label %else.4
|
|
yy_find_action: ; preds = %else.4
|
|
br label %else.4
|
|
else.4: ; preds = %yy_find_action, %loopexit.2
|
|
switch i32 0, label %loopexit.2 [
|
|
i32 2, label %yy_find_action
|
|
i32 0, label %loopentry.0
|
|
]
|
|
}
|
|
|