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convert more vectors to smallvectors, 2.8% speedup 

llvm-svn: 34333
This commit is contained in:
Chris Lattner 2007-02-15 22:52:10 +00:00
parent af6094fe3f
commit 99c6cf60f1
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/Transforms/Scalar/InstructionCombining.cpp
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@ -3411,7 +3411,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) {
/// CollectBSwapParts - Look to see if the specified value defines a single byte
/// in the result. If it does, and if the specified byte hasn't been filled in
/// yet, fill it in and return false.
static bool CollectBSwapParts(Value *V, std::vector<Value*> &ByteValues) {
static bool CollectBSwapParts(Value *V, SmallVector<Value*, 8> &ByteValues) {
Instruction *I = dyn_cast<Instruction>(V);
if (I == 0) return true;
@ -3495,7 +3495,7 @@ Instruction *InstCombiner::MatchBSwap(BinaryOperator &I) {
/// ByteValues - For each byte of the result, we keep track of which value
/// defines each byte.
std::vector<Value*> ByteValues;
SmallVector<Value*, 8> ByteValues;
ByteValues.resize(TD->getTypeSize(I.getType()));
// Try to find all the pieces corresponding to the bswap.
@ -5791,7 +5791,7 @@ Instruction *InstCombiner::PromoteCastOfAllocation(CastInst &CI,
// Remove any uses of AI that are dead.
assert(!CI.use_empty() && "Dead instructions should be removed earlier!");
std::vector<Instruction*> DeadUsers;
for (Value::use_iterator UI = AI.use_begin(), E = AI.use_end(); UI != E; ) {
Instruction *User = cast<Instruction>(*UI++);
if (isInstructionTriviallyDead(User)) {