llvm-project/llvm/test/Transforms/LoopIdiom/scev-invalidation_topmostlo...

26 lines
760 B
LLVM

; RUN: opt -S -indvars -loop-idiom -verify -loop-simplifycfg -simplifycfg-require-and-preserve-domtree=1 -loop-idiom < %s | FileCheck %s
target triple = "x86_64-unknown-linux-gnu"
; CHECK-LABEL: @f1()
; CHECK-NEXT: entry:
define void @f1() {
entry:
br label %lbl1
lbl1: ; preds = %if.end, %entry
br label %for
for: ; preds = %if.end, %lbl1
br label %lor.end
lor.end: ; preds = %for
br i1 undef, label %for.end, label %if.end
if.end: ; preds = %lor.end
br i1 undef, label %lbl1, label %for
for.end: ; preds = %lor.end
ret void
}