f4f8103115
There were already both legacy and new PM RUN lines. Also make the NPM RUN line actually match the legacy PM RUN line.
69 lines
3.2 KiB
LLVM
69 lines
3.2 KiB
LLVM
; RUN: opt < %s -O1 -S -loop-versioning-licm -licm -debug-only=loop-versioning-licm -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 2>&1 | FileCheck %s
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; REQUIRES: asserts
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;
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; Test to confirm loop is a 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<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.body3:
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; CHECK-NEXT: %[[induction:.*]] = phi i32 [ %arrayidx7.promoted, %for.body3.ph ], [ %add8, %for.body3 ]
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; CHECK-NEXT: %j.113 = phi i32 [ %j.016, %for.body3.ph ], [ %inc, %for.body3 ]
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; CHECK-NEXT: %idxprom = zext i32 %j.113 to i64
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; CHECK-NEXT: %arrayidx = getelementptr inbounds i32, i32* %var1, i64 %idxprom
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; CHECK-NEXT: store i32 %add, i32* %arrayidx, align 4, !alias.scope !2, !noalias !2
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; CHECK-NEXT: %add8 = add nsw i32 %[[induction]], %add
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; CHECK-NEXT: %inc = add nuw i32 %j.113, 1
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; CHECK-NEXT: %cmp2 = icmp ult i32 %inc, %itr
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; CHECK-NEXT: br i1 %cmp2, label %for.body3, label %for.inc11.loopexit.loopexit7, !llvm.loop !5
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define i32 @foo(i32* nocapture %var1, i32* nocapture readnone %var2, i32* nocapture %var3, i32 %itr) #0 {
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entry:
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%cmp14 = icmp eq i32 %itr, 0
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br i1 %cmp14, label %for.end13, label %for.cond1.preheader.preheader
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for.cond1.preheader.preheader: ; preds = %entry
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br label %for.cond1.preheader
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for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc11
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%j.016 = phi i32 [ %j.1.lcssa, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ]
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%i.015 = phi i32 [ %inc12, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ]
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%cmp212 = icmp ult i32 %j.016, %itr
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br i1 %cmp212, label %for.body3.lr.ph, label %for.inc11
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for.body3.lr.ph: ; preds = %for.cond1.preheader
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%add = add i32 %i.015, %itr
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%idxprom6 = zext i32 %i.015 to i64
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%arrayidx7 = getelementptr inbounds i32, i32* %var3, i64 %idxprom6
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br label %for.body3
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for.body3: ; preds = %for.body3.lr.ph, %for.body3
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%j.113 = phi i32 [ %j.016, %for.body3.lr.ph ], [ %inc, %for.body3 ]
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%idxprom = zext i32 %j.113 to i64
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%arrayidx = getelementptr inbounds i32, i32* %var1, i64 %idxprom
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store i32 %add, i32* %arrayidx, align 4
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%0 = load i32, i32* %arrayidx7, align 4
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%add8 = add nsw i32 %0, %add
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store i32 %add8, i32* %arrayidx7, align 4
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%inc = add nuw i32 %j.113, 1
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%cmp2 = icmp ult i32 %inc, %itr
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br i1 %cmp2, label %for.body3, label %for.inc11.loopexit
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for.inc11.loopexit: ; preds = %for.body3
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br label %for.inc11
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for.inc11: ; preds = %for.inc11.loopexit, %for.cond1.preheader
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%j.1.lcssa = phi i32 [ %j.016, %for.cond1.preheader ], [ %itr, %for.inc11.loopexit ]
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%inc12 = add nuw i32 %i.015, 1
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%cmp = icmp ult i32 %inc12, %itr
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br i1 %cmp, label %for.cond1.preheader, label %for.end13.loopexit
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for.end13.loopexit: ; preds = %for.inc11
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br label %for.end13
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for.end13: ; preds = %for.end13.loopexit, %entry
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ret i32 0
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}
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