6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-12 03:32:10 +00:00
Code Issues Projects Releases Wiki Activity

Reserve space for PHI nodes when we read them in. This provides a VERY

Browse Source 
tasty 15% speedup on the testcase from Bill.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8993 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-10-09 22:46:58 +00:00
parent 97622b1751
commit 4c52392ba3
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/Bytecode/Reader/InstructionReader.cpp
View File

@ -125,6 +125,7 @@ Instruction *BytecodeParser::ParseInstruction(const unsigned char *&Buf,
throw std::string("Invalid phi node encountered!\n"); throw std::string("Invalid phi node encountered!\n");
PHINode *PN = new PHINode(InstTy); PHINode *PN = new PHINode(InstTy);
PN->op_reserve(Args.size());
for (unsigned i = 0, e = Args.size(); i != e; i += 2) for (unsigned i = 0, e = Args.size(); i != e; i += 2)
PN->addIncoming(getValue(RI.Type, Args[i]), getBasicBlock(Args[i+1])); PN->addIncoming(getValue(RI.Type, Args[i]), getBasicBlock(Args[i+1]));
return PN; return PN;