f4f8103115
There were already both legacy and new PM RUN lines. Also make the NPM RUN line actually match the legacy PM RUN line.
54 lines
2.8 KiB
LLVM
54 lines
2.8 KiB
LLVM
; RUN: opt < %s -O1 -S -loop-versioning-licm -licm -debug-only=loop-versioning-licm -disable-loop-unrolling -enable-new-pm=0 2>&1 | FileCheck %s
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; RUN: opt < %s -S -passes='default<O1>,loop-versioning-licm,licm' --aa-pipeline=default -debug-only=loop-versioning-licm -disable-loop-unrolling 2>&1 | FileCheck %s
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; REQUIRES: asserts
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;
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; Test to confirm loop is a good candidate for LoopVersioningLICM
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; It also confirms invariant moved out of loop.
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;
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; CHECK: Loop: Loop at depth 2 containing: %for.body3.us<header><latch><exiting>
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; CHECK-NEXT: Loop Versioning found to be beneficial
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;
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; CHECK: for.cond1.for.inc17_crit_edge.us.loopexit6: ; preds = %for.body3.us
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; CHECK-NEXT: %add14.us.lcssa = phi float [ %add14.us, %for.body3.us ]
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; CHECK-NEXT: store float %add14.us.lcssa, float* %arrayidx.us, align 4, !alias.scope !0, !noalias !0
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; CHECK-NEXT: br label %for.cond1.for.inc17_crit_edge.us
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;
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define i32 @foo(float* nocapture %var2, float** nocapture readonly %var3, i32 %itr) #0 {
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entry:
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%cmp38 = icmp sgt i32 %itr, 1
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br i1 %cmp38, label %for.body3.lr.ph.us, label %for.end19
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for.body3.us: ; preds = %for.body3.us, %for.body3.lr.ph.us
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%0 = phi float [ %.pre, %for.body3.lr.ph.us ], [ %add14.us, %for.body3.us ]
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%indvars.iv = phi i64 [ 1, %for.body3.lr.ph.us ], [ %indvars.iv.next, %for.body3.us ]
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%1 = trunc i64 %indvars.iv to i32
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%conv.us = sitofp i32 %1 to float
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%add.us = fadd float %conv.us, %0
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%arrayidx7.us = getelementptr inbounds float, float* %3, i64 %indvars.iv
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store float %add.us, float* %arrayidx7.us, align 4
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%2 = load float, float* %arrayidx.us, align 4
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%add14.us = fadd float %2, %add.us
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store float %add14.us, float* %arrayidx.us, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %itr
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br i1 %exitcond, label %for.cond1.for.inc17_crit_edge.us, label %for.body3.us
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for.body3.lr.ph.us: ; preds = %entry, %for.cond1.for.inc17_crit_edge.us
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%indvars.iv40 = phi i64 [ %indvars.iv.next41, %for.cond1.for.inc17_crit_edge.us ], [ 1, %entry ]
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%arrayidx.us = getelementptr inbounds float, float* %var2, i64 %indvars.iv40
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%arrayidx6.us = getelementptr inbounds float*, float** %var3, i64 %indvars.iv40
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%3 = load float*, float** %arrayidx6.us, align 8
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%.pre = load float, float* %arrayidx.us, align 4
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br label %for.body3.us
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for.cond1.for.inc17_crit_edge.us: ; preds = %for.body3.us
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%indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 1
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%lftr.wideiv42 = trunc i64 %indvars.iv.next41 to i32
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%exitcond43 = icmp eq i32 %lftr.wideiv42, %itr
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br i1 %exitcond43, label %for.end19, label %for.body3.lr.ph.us
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for.end19: ; preds = %for.cond1.for.inc17_crit_edge.us, %entry
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ret i32 0
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}
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