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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
113 lines
5.6 KiB
LLVM
113 lines
5.6 KiB
LLVM
; int A[1024], B[1024];
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;
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; void foo(int iCount, int c, int jCount)
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; {
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;
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; int i, j;
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;
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; #pragma clang loop vectorize(enable) vectorize_width(4)
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; for (i = 0; i < iCount; i++) {
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; A[i] = c;
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; for (j = 0; j < jCount; j++) {
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; A[i] += B[j] + i;
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; }
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; }
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; }
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; RUN: opt -S -loop-vectorize -enable-vplan-native-path < %s | FileCheck %s
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; CHECK: %[[ZeroTripChk:.*]] = icmp sgt i32 %jCount, 0
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; CHECK-LABEL: vector.ph:
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; CHECK: %[[CVal0:.*]] = insertelement <4 x i32> undef, i32 %c, i32 0
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; CHECK-NEXT: %[[CSplat:.*]] = shufflevector <4 x i32> %[[CVal0]], <4 x i32> undef, <4 x i32> zeroinitializer
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; CHECK: %[[ZVal0:.*]] = insertelement <4 x i1> undef, i1 %[[ZeroTripChk]], i32 0
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; CHECK-NEXT: %[[ZSplat:.*]] = shufflevector <4 x i1> %[[ZVal0]], <4 x i1> undef, <4 x i32> zeroinitializer
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; CHECK-LABEL: vector.body:
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; CHECK: %[[Ind:.*]] = phi i64 [ 0, %vector.ph ], [ %[[IndNext:.*]], %[[ForInc:.*]] ]
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; CHECK: %[[VecInd:.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %vector.ph ], [ %[[VecIndNext:.*]], %[[ForInc]] ]
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; CHECK: %[[AAddr:.*]] = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, <4 x i64> %[[VecInd]]
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; CHECK: call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32> %[[CSplat]], <4 x i32*> %[[AAddr]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>)
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; CHECK: %[[ZCmpExtr:.*]] = extractelement <4 x i1> %[[ZSplat]], i32 0
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; CHECK: br i1 %[[ZCmpExtr]], label %[[InnerForPh:.*]], label %[[OuterInc:.*]]
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; CHECK: [[InnerForPh]]:
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; CHECK: %[[WideAVal:.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0i32(<4 x i32*> %[[AAddr]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
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; CHECK: %[[VecIndTr:.*]] = trunc <4 x i64> %[[VecInd]] to <4 x i32>
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; CHECK: br label %[[InnerForBody:.*]]
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; CHECK: [[InnerForBody]]:
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; CHECK: %[[InnerInd:.*]] = phi <4 x i64> [ %[[InnerIndNext:.*]], %[[InnerForBody]] ], [ zeroinitializer, %[[InnerForPh]] ]
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; CHECK: %[[AccumPhi:.*]] = phi <4 x i32> [ %[[AccumPhiNext:.*]], %[[InnerForBody]] ], [ %[[WideAVal]], %[[InnerForPh]] ]
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; CHECK: %[[BAddr:.*]] = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, <4 x i64> %[[InnerInd]]
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; CHECK: %[[WideBVal:.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0i32(<4 x i32*> %[[BAddr]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
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; CHECK: %[[Add1:.*]] = add nsw <4 x i32> %[[WideBVal]], %[[VecIndTr]]
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; CHECK: %[[AccumPhiNext]] = add nsw <4 x i32> %[[Add1]], %[[AccumPhi]]
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; CHECK: %[[InnerIndNext]] = add nuw nsw <4 x i64> %[[InnerInd]], <i64 1, i64 1, i64 1, i64 1>
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; CHECK: %[[InnerVecCond:.*]] = icmp eq <4 x i64> %[[InnerIndNext]], {{.*}}
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; CHECK: %[[InnerCond:.+]] = extractelement <4 x i1> %[[InnerVecCond]], i32 0
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; CHECK: br i1 %[[InnerCond]], label %[[InnerCrit:.*]], label %[[InnerForBody]]
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; CHECK: [[InnerCrit]]:
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; CHECK: %[[StorePhi:.*]] = phi <4 x i32> [ %[[AccumPhiNext]], %[[InnerForBody]] ]
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; CHECK: call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32> %[[StorePhi]], <4 x i32*> %[[AAddr]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>)
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; CHECK: br label %[[ForInc]]
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; CHECK: [[ForInc]]:
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; CHECK: %[[IndNext]] = add i64 %[[Ind]], 4
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; CHECK: %[[VecIndNext]] = add <4 x i64> %[[VecInd]], <i64 4, i64 4, i64 4, i64 4>
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; CHECK: %[[Cmp:.*]] = icmp eq i64 %[[IndNext]], {{.*}}
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; CHECK: br i1 %[[Cmp]], label %middle.block, label %vector.body
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@A = common global [1024 x i32] zeroinitializer, align 16
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@B = common global [1024 x i32] zeroinitializer, align 16
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; Function Attrs: norecurse nounwind uwtable
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define void @foo(i32 %iCount, i32 %c, i32 %jCount) {
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entry:
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%cmp22 = icmp sgt i32 %iCount, 0
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br i1 %cmp22, label %for.body.lr.ph, label %for.end11
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for.body.lr.ph: ; preds = %entry
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%cmp220 = icmp sgt i32 %jCount, 0
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%wide.trip.count = zext i32 %jCount to i64
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%wide.trip.count27 = zext i32 %iCount to i64
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br label %for.body
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for.body: ; preds = %for.inc9, %for.body.lr.ph
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%indvars.iv25 = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next26, %for.inc9 ]
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%arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv25
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store i32 %c, i32* %arrayidx, align 4
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br i1 %cmp220, label %for.body3.lr.ph, label %for.inc9
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for.body3.lr.ph: ; preds = %for.body
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%arrayidx.promoted = load i32, i32* %arrayidx, align 4
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%0 = trunc i64 %indvars.iv25 to i32
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br label %for.body3
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for.body3: ; preds = %for.body3, %for.body3.lr.ph
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%indvars.iv = phi i64 [ 0, %for.body3.lr.ph ], [ %indvars.iv.next, %for.body3 ]
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%1 = phi i32 [ %arrayidx.promoted, %for.body3.lr.ph ], [ %add8, %for.body3 ]
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%arrayidx5 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv
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%2 = load i32, i32* %arrayidx5, align 4
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%add = add nsw i32 %2, %0
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%add8 = add nsw i32 %add, %1
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
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br i1 %exitcond, label %for.cond1.for.inc9_crit_edge, label %for.body3
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for.cond1.for.inc9_crit_edge: ; preds = %for.body3
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store i32 %add8, i32* %arrayidx, align 4
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br label %for.inc9
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for.inc9: ; preds = %for.cond1.for.inc9_crit_edge, %for.body
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%indvars.iv.next26 = add nuw nsw i64 %indvars.iv25, 1
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%exitcond28 = icmp eq i64 %indvars.iv.next26, %wide.trip.count27
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br i1 %exitcond28, label %for.end11, label %for.body, !llvm.loop !1
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for.end11: ; preds = %for.inc9, %entry
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ret void
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}
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!1 = distinct !{!1, !2, !3}
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!2 = !{!"llvm.loop.vectorize.width", i32 4}
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!3 = !{!"llvm.loop.vectorize.enable", i1 true}
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