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Switch some std::vector's to SmallVectors. This speeds up -load-vn -gcse
by 6% on tramp3d. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34167 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -22,6 +22,7 @@
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#include "llvm/Instructions.h"
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#include "llvm/Instructions.h"
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#include "llvm/Pass.h"
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#include "llvm/Pass.h"
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#include "llvm/Target/TargetData.h"
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#include "llvm/Target/TargetData.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/GetElementPtrTypeIterator.h"
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#include "llvm/Support/GetElementPtrTypeIterator.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/ManagedStatic.h"
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@ -160,7 +161,8 @@ static const User *isGEP(const Value *V) {
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return 0;
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return 0;
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}
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}
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static const Value *GetGEPOperands(const Value *V, std::vector<Value*> &GEPOps){
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static const Value *GetGEPOperands(const Value *V,
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SmallVector<Value*, 16> &GEPOps){
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assert(GEPOps.empty() && "Expect empty list to populate!");
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assert(GEPOps.empty() && "Expect empty list to populate!");
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GEPOps.insert(GEPOps.end(), cast<User>(V)->op_begin()+1,
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GEPOps.insert(GEPOps.end(), cast<User>(V)->op_begin()+1,
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cast<User>(V)->op_end());
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cast<User>(V)->op_end());
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@ -369,7 +371,7 @@ BasicAliasAnalysis::alias(const Value *V1, unsigned V1Size,
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// non-aliasing.
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// non-aliasing.
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// Collect all of the chained GEP operands together into one simple place
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// Collect all of the chained GEP operands together into one simple place
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std::vector<Value*> GEP1Ops, GEP2Ops;
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SmallVector<Value*, 16> GEP1Ops, GEP2Ops;
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BasePtr1 = GetGEPOperands(V1, GEP1Ops);
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BasePtr1 = GetGEPOperands(V1, GEP1Ops);
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BasePtr2 = GetGEPOperands(V2, GEP2Ops);
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BasePtr2 = GetGEPOperands(V2, GEP2Ops);
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@ -398,7 +400,7 @@ BasicAliasAnalysis::alias(const Value *V1, unsigned V1Size,
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if (V1Size != ~0U && V2Size != ~0U)
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if (V1Size != ~0U && V2Size != ~0U)
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if (isGEP(V1)) {
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if (isGEP(V1)) {
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std::vector<Value*> GEPOperands;
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SmallVector<Value*, 16> GEPOperands;
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const Value *BasePtr = GetGEPOperands(V1, GEPOperands);
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const Value *BasePtr = GetGEPOperands(V1, GEPOperands);
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AliasResult R = alias(BasePtr, V1Size, V2, V2Size);
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AliasResult R = alias(BasePtr, V1Size, V2, V2Size);
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