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

23 lines
530 B
LLVM

; Exit blocks need to be updated for all nested loops...
; RUN: llvm-upgrade < %s | llvm-as | opt -loopsimplify
implementation ; Functions:
int %yyparse() {
bb0: ; No predecessors!
br bool false, label %UnifiedExitNode, label %bb19
bb19: ; preds = %bb28, %bb0
br bool false, label %bb28, label %UnifiedExitNode
bb28: ; preds = %bb32, %bb19
br bool false, label %bb32, label %bb19
bb32: ; preds = %bb28
br bool false, label %UnifiedExitNode, label %bb28
UnifiedExitNode: ; preds = %bb32, %bb19, %bb0
ret int 0
}