llvm-project/llvm/test/Transforms/LICM/2003-02-27-NestedLoopExitBl...

18 lines
451 B
LLVM

; Exit blocks need to be updated for all nested loops...
; RUN: opt < %s -loop-simplify
define i32 @yyparse() {
bb0:
br i1 false, label %UnifiedExitNode, label %bb19
bb19: ; preds = %bb28, %bb0
br i1 false, label %bb28, label %UnifiedExitNode
bb28: ; preds = %bb32, %bb19
br i1 false, label %bb32, label %bb19
bb32: ; preds = %bb28
br i1 false, label %UnifiedExitNode, label %bb28
UnifiedExitNode: ; preds = %bb32, %bb19, %bb0
ret i32 0
}