99c9b37d11
This is the first patch in a series intended for removing flag -enable-new-pm=0 from lit tests. This is part of a bigger effort of completely removing legacy code related to legacy pass manager in favor of currently default new pass manager. In this patch flag has been removed only from tests where no significant change has been required because checks has been duplicated for both PMs. Reviewed By: fhahn Differential Revision: https://reviews.llvm.org/D134150
53 lines
2.7 KiB
LLVM
53 lines
2.7 KiB
LLVM
; 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 %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.loopexit9: ; 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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