; RUN: opt < %s -O1 -S -loop-versioning-licm -debug-only=loop-versioning-licm 2>&1 | FileCheck %s ; REQUIRES: asserts ; ; Test to confirm loop is not a candidate for LoopVersioningLICM. ; ; CHECK: Loop: Loop at depth 2 containing: %for.body3
; CHECK-NEXT: LAA: Runtime check not found !! ; CHECK-NEXT: Loop instructions not suitable for LoopVersioningLICM define i32 @foo(i32* nocapture %var1, i32 %itr) #0 { entry: %cmp18 = icmp eq i32 %itr, 0 br i1 %cmp18, label %for.end8, label %for.cond1.preheader for.cond1.preheader: ; preds = %entry, %for.inc6 %j.020 = phi i32 [ %j.1.lcssa, %for.inc6 ], [ 0, %entry ] %i.019 = phi i32 [ %inc7, %for.inc6 ], [ 0, %entry ] %cmp216 = icmp ult i32 %j.020, %itr br i1 %cmp216, label %for.body3.lr.ph, label %for.inc6 for.body3.lr.ph: ; preds = %for.cond1.preheader %0 = zext i32 %j.020 to i64 br label %for.body3 for.body3: ; preds = %for.body3, %for.body3.lr.ph %indvars.iv = phi i64 [ %0, %for.body3.lr.ph ], [ %indvars.iv.next, %for.body3 ] %arrayidx = getelementptr inbounds i32, i32* %var1, i64 %indvars.iv %1 = load i32, i32* %arrayidx, align 4 %add = add nsw i32 %1, %itr store i32 %add, i32* %arrayidx, align 4 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, %itr br i1 %exitcond, label %for.inc6, label %for.body3 for.inc6: ; preds = %for.body3, %for.cond1.preheader %j.1.lcssa = phi i32 [ %j.020, %for.cond1.preheader ], [ %itr, %for.body3 ] %inc7 = add nuw i32 %i.019, 1 %exitcond21 = icmp eq i32 %inc7, %itr br i1 %exitcond21, label %for.end8, label %for.cond1.preheader for.end8: ; preds = %for.inc6, %entry ret i32 0 }