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1; RUN: opt < %s -S -passes='default<O1>,function(loop-versioning-licm,loop-mssa(licm))' -debug-only=loop-versioning-licm -disable-loop-unrolling 2>&1 | FileCheck %s2; REQUIRES: asserts3;4; Test to confirm loop is a good candidate for LoopVersioningLICM5; It also confirms invariant moved out of loop.6;7; CHECK: Loop: Loop at depth 2 containing: %for.body3.us<header><latch><exiting>8; CHECK-NEXT: Loop Versioning found to be beneficial9;10; CHECK: for.cond1.for.inc17_crit_edge.us.loopexit5: ; preds = %for.body3.us11; CHECK-NEXT: %add14.us.lcssa = phi float [ %add14.us, %for.body3.us ]12; CHECK-NEXT: store float %add14.us.lcssa, ptr %arrayidx.us, align 4, !alias.scope !313; CHECK-NEXT: br label %for.cond1.for.inc17_crit_edge.us14;15define i32 @foo(ptr nocapture %var2, ptr nocapture readonly %var3, i32 %itr) #0 {16entry:17 %cmp38 = icmp sgt i32 %itr, 118 br i1 %cmp38, label %for.body3.lr.ph.us, label %for.end1919 20for.body3.us: ; preds = %for.body3.us, %for.body3.lr.ph.us21 %0 = phi float [ %.pre, %for.body3.lr.ph.us ], [ %add14.us, %for.body3.us ]22 %indvars.iv = phi i64 [ 1, %for.body3.lr.ph.us ], [ %indvars.iv.next, %for.body3.us ]23 %1 = trunc i64 %indvars.iv to i3224 %conv.us = sitofp i32 %1 to float25 %add.us = fadd float %conv.us, %026 %arrayidx7.us = getelementptr inbounds float, ptr %3, i64 %indvars.iv27 store float %add.us, ptr %arrayidx7.us, align 428 %2 = load float, ptr %arrayidx.us, align 429 %add14.us = fadd float %2, %add.us30 store float %add14.us, ptr %arrayidx.us, align 431 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 132 %lftr.wideiv = trunc i64 %indvars.iv.next to i3233 %exitcond = icmp eq i32 %lftr.wideiv, %itr34 br i1 %exitcond, label %for.cond1.for.inc17_crit_edge.us, label %for.body3.us35 36for.body3.lr.ph.us: ; preds = %entry, %for.cond1.for.inc17_crit_edge.us37 %indvars.iv40 = phi i64 [ %indvars.iv.next41, %for.cond1.for.inc17_crit_edge.us ], [ 1, %entry ]38 %arrayidx.us = getelementptr inbounds float, ptr %var2, i64 %indvars.iv4039 %arrayidx6.us = getelementptr inbounds ptr, ptr %var3, i64 %indvars.iv4040 %3 = load ptr, ptr %arrayidx6.us, align 841 %.pre = load float, ptr %arrayidx.us, align 442 br label %for.body3.us43 44for.cond1.for.inc17_crit_edge.us: ; preds = %for.body3.us45 %indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 146 %lftr.wideiv42 = trunc i64 %indvars.iv.next41 to i3247 %exitcond43 = icmp eq i32 %lftr.wideiv42, %itr48 br i1 %exitcond43, label %for.end19, label %for.body3.lr.ph.us49 50for.end19: ; preds = %for.cond1.for.inc17_crit_edge.us, %entry51 ret i32 052}53