forked from OSchip/llvm-project
Revert r295868 because it breaks a different SLP lit test.
llvm-svn: 295906
This commit is contained in:
Michael Kuperstein
parent
d5c6515b68
commit
6181c62b95
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@ -304,7 +304,6 @@ public:
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typedef SmallVector<Instruction *, 16> InstrList;
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typedef SmallPtrSet<Value *, 16> ValueSet;
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typedef SmallVector<StoreInst *, 8> StoreList;
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typedef MapVector<Value *, std::vector<DebugLoc>> ExtraValueToDebugLocsMap;
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BoUpSLP(Function *Func, ScalarEvolution *Se, TargetTransformInfo *Tti,
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TargetLibraryInfo *TLi, AliasAnalysis *Aa, LoopInfo *Li,
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@ -334,7 +333,7 @@ public:
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/// Vectorize the tree but with the list of externally used values \p
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/// ExternallyUsedValues. Values in this MapVector can be replaced but the
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/// generated extractvalue instructions.
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Value *vectorizeTree(ExtraValueToDebugLocsMap &ExternallyUsedValues);
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Value *vectorizeTree(MapVector<Value *, DebugLoc> &ExternallyUsedValues);
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/// \returns the cost incurred by unwanted spills and fills, caused by
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/// holding live values over call sites.
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@ -353,7 +352,7 @@ public:
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/// into account (anf updating it, if required) list of externally used
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/// values stored in \p ExternallyUsedValues.
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void buildTree(ArrayRef<Value *> Roots,
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ExtraValueToDebugLocsMap &ExternallyUsedValues,
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MapVector<Value *, DebugLoc> &ExternallyUsedValues,
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ArrayRef<Value *> UserIgnoreLst = None);
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/// Clear the internal data structures that are created by 'buildTree'.
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@ -954,11 +953,11 @@ private:
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void BoUpSLP::buildTree(ArrayRef<Value *> Roots,
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ArrayRef<Value *> UserIgnoreLst) {
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ExtraValueToDebugLocsMap ExternallyUsedValues;
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MapVector<Value *, DebugLoc> ExternallyUsedValues;
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buildTree(Roots, ExternallyUsedValues, UserIgnoreLst);
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}
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void BoUpSLP::buildTree(ArrayRef<Value *> Roots,
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ExtraValueToDebugLocsMap &ExternallyUsedValues,
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MapVector<Value *, DebugLoc> &ExternallyUsedValues,
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ArrayRef<Value *> UserIgnoreLst) {
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deleteTree();
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UserIgnoreList = UserIgnoreLst;
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@ -2802,12 +2801,12 @@ Value *BoUpSLP::vectorizeTree(ArrayRef<Value *> VL, TreeEntry *E) {
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}
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Value *BoUpSLP::vectorizeTree() {
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ExtraValueToDebugLocsMap ExternallyUsedValues;
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MapVector<Value *, DebugLoc> ExternallyUsedValues;
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return vectorizeTree(ExternallyUsedValues);
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}
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Value *
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BoUpSLP::vectorizeTree(ExtraValueToDebugLocsMap &ExternallyUsedValues) {
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BoUpSLP::vectorizeTree(MapVector<Value *, DebugLoc> &ExternallyUsedValues) {
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// All blocks must be scheduled before any instructions are inserted.
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for (auto &BSIter : BlocksSchedules) {
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@ -2869,6 +2868,7 @@ BoUpSLP::vectorizeTree(ExtraValueToDebugLocsMap &ExternallyUsedValues) {
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assert(ExternallyUsedValues.count(Scalar) &&
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"Scalar with nullptr as an external user must be registered in "
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"ExternallyUsedValues map");
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DebugLoc DL = ExternallyUsedValues[Scalar];
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if (auto *VecI = dyn_cast<Instruction>(Vec)) {
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Builder.SetInsertPoint(VecI->getParent(),
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std::next(VecI->getIterator()));
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@ -2878,8 +2878,8 @@ BoUpSLP::vectorizeTree(ExtraValueToDebugLocsMap &ExternallyUsedValues) {
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Value *Ex = Builder.CreateExtractElement(Vec, Lane);
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Ex = extend(ScalarRoot, Ex, Scalar->getType());
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CSEBlocks.insert(cast<Instruction>(Scalar)->getParent());
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ExternallyUsedValues[Ex] = ExternallyUsedValues[Scalar];
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ExternallyUsedValues.erase(Scalar);
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ExternallyUsedValues[Ex] = DL;
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continue;
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}
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@ -4439,11 +4439,9 @@ public:
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Builder.setFastMathFlags(Unsafe);
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unsigned i = 0;
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BoUpSLP::ExtraValueToDebugLocsMap ExternallyUsedValues;
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// The same extra argument may be used several time, so log each attempt
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// to use it.
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MapVector<Value *, DebugLoc> ExternallyUsedValues;
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for (auto &Pair : ExtraArgs)
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ExternallyUsedValues[Pair.second].push_back(Pair.first->getDebugLoc());
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ExternallyUsedValues[Pair.second] = Pair.first->getDebugLoc();
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while (i < NumReducedVals - ReduxWidth + 1 && ReduxWidth > 2) {
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auto VL = makeArrayRef(&ReducedVals[i], ReduxWidth);
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V.buildTree(VL, ExternallyUsedValues, ReductionOps);
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@ -4491,13 +4489,10 @@ public:
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Builder.CreateBinOp(ReductionOpcode, VectorizedTree, I);
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}
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for (auto &Pair : ExternallyUsedValues) {
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// Add each externally used value to the final reduction.
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for (auto &DL : Pair.second) {
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Builder.SetCurrentDebugLocation(DL);
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Builder.SetCurrentDebugLocation(Pair.second);
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VectorizedTree = Builder.CreateBinOp(ReductionOpcode, VectorizedTree,
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Pair.first, "bin.extra");
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}
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}
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// Update users.
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if (ReductionPHI && !isa<UndefValue>(ReductionPHI)) {
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assert(ReductionRoot && "Need a reduction operation");
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@ -1473,10 +1473,9 @@ define float @extra_args_same_several_times(float* nocapture readonly %x, i32 %a
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; CHECK-NEXT: [[TMP2:%.*]] = extractelement <8 x float> [[BIN_RDX4]], i32 0
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; CHECK-NEXT: [[BIN_EXTRA:%.*]] = fadd fast float [[TMP2]], [[ADD]]
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; CHECK-NEXT: [[BIN_EXTRA5:%.*]] = fadd fast float [[BIN_EXTRA]], 5.000000e+00
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; CHECK-NEXT: [[BIN_EXTRA6:%.*]] = fadd fast float [[BIN_EXTRA5]], 5.000000e+00
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; CHECK-NEXT: [[BIN_EXTRA7:%.*]] = fadd fast float [[BIN_EXTRA6]], [[CONV]]
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; CHECK-NEXT: [[BIN_EXTRA6:%.*]] = fadd fast float [[BIN_EXTRA5]], [[CONV]]
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; CHECK-NEXT: [[ADD4_6:%.*]] = fadd fast float undef, [[ADD4_5]]
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; CHECK-NEXT: ret float [[BIN_EXTRA7]]
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; CHECK-NEXT: ret float [[BIN_EXTRA6]]
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;
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; THRESHOLD-LABEL: @extra_args_same_several_times(
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; THRESHOLD-NEXT: entry:
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@ -1511,10 +1510,9 @@ define float @extra_args_same_several_times(float* nocapture readonly %x, i32 %a
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; THRESHOLD-NEXT: [[TMP2:%.*]] = extractelement <8 x float> [[BIN_RDX4]], i32 0
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; THRESHOLD-NEXT: [[BIN_EXTRA:%.*]] = fadd fast float [[TMP2]], [[ADD]]
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; THRESHOLD-NEXT: [[BIN_EXTRA5:%.*]] = fadd fast float [[BIN_EXTRA]], 5.000000e+00
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; THRESHOLD-NEXT: [[BIN_EXTRA6:%.*]] = fadd fast float [[BIN_EXTRA5]], 5.000000e+00
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; THRESHOLD-NEXT: [[BIN_EXTRA7:%.*]] = fadd fast float [[BIN_EXTRA6]], [[CONV]]
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; THRESHOLD-NEXT: [[BIN_EXTRA6:%.*]] = fadd fast float [[BIN_EXTRA5]], [[CONV]]
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; THRESHOLD-NEXT: [[ADD4_6:%.*]] = fadd fast float undef, [[ADD4_5]]
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; THRESHOLD-NEXT: ret float [[BIN_EXTRA7]]
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; THRESHOLD-NEXT: ret float [[BIN_EXTRA6]]
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;
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entry:
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%mul = mul nsw i32 %b, %a
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