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| author | Nate Begeman <natebegeman@mac.com> | 2004-12-07 05:25:53 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2004-12-07 05:25:53 +0000 |
| commit | 80ad87d2271673b4f9148d64c91ee6338978c9fc (patch) | |
| tree | 96cafdaac5c3812e5d8b1187524b17de088f53c4 | |
| parent | ce9653ce449f1409815547e1bf60abcd1332d2c9 (diff) | |
| download | external_llvm-80ad87d2271673b4f9148d64c91ee6338978c9fc.zip external_llvm-80ad87d2271673b4f9148d64c91ee6338978c9fc.tar.gz external_llvm-80ad87d2271673b4f9148d64c91ee6338978c9fc.tar.bz2 | |
Move virtual function call out of loop to speed up getFreePhysReg by about
20%, shaving 0.1s off hbd compile time on my g5. Yay.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18592 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index c54152a..140846f 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -608,8 +608,8 @@ unsigned RA::getFreePhysReg(LiveInterval* cur) const TargetRegisterClass* rc = mf_->getSSARegMap()->getRegClass(cur->reg); unsigned freeReg = 0; - for (TargetRegisterClass::iterator i = rc->allocation_order_begin(*mf_); - i != rc->allocation_order_end(*mf_); ++i) { + for (TargetRegisterClass::iterator i = rc->allocation_order_begin(*mf_), + e = rc->allocation_order_end(*mf_); i != e; ++i) { unsigned reg = *i; if (prt_->isRegAvail(reg) && (!freeReg || inactiveCounts[freeReg] < inactiveCounts[reg])) |