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| author | Chris Lattner <sabre@nondot.org> | 2007-02-02 20:51:48 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-02-02 20:51:48 +0000 |
| commit | 0e7ec675da4870d77cb0117a1cbe2019ef63ad25 (patch) | |
| tree | 7853c8a3f70f6a78d586e6e1ebdf7a6ca1d1b31c /llvm/lib | |
| parent | 067d607e0e5407f4994f6a307dc51632cb589b7f (diff) | |
| download | bcm5719-llvm-0e7ec675da4870d77cb0117a1cbe2019ef63ad25.tar.gz bcm5719-llvm-0e7ec675da4870d77cb0117a1cbe2019ef63ad25.zip | |
eliminate a malloc/free for (almost) every GEP processed. This speeds up
IPSCCP 3.3% on kimwitu.
llvm-svn: 33793
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/SCCP.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp index d22a1e286bf..fdb5b1602a3 100644 --- a/llvm/lib/Transforms/Scalar/SCCP.cpp +++ b/llvm/lib/Transforms/Scalar/SCCP.cpp @@ -968,7 +968,7 @@ void SCCPSolver::visitGetElementPtrInst(GetElementPtrInst &I) { LatticeVal &IV = ValueState[&I]; if (IV.isOverdefined()) return; - std::vector<Constant*> Operands; + SmallVector<Constant*, 8> Operands; Operands.reserve(I.getNumOperands()); for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) { @@ -986,7 +986,8 @@ void SCCPSolver::visitGetElementPtrInst(GetElementPtrInst &I) { Constant *Ptr = Operands[0]; Operands.erase(Operands.begin()); // Erase the pointer from idx list... - markConstant(IV, &I, ConstantExpr::getGetElementPtr(Ptr, Operands)); + markConstant(IV, &I, ConstantExpr::getGetElementPtr(Ptr, &Operands[0], + Operands.size())); } void SCCPSolver::visitStoreInst(Instruction &SI) { |
