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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 | 784a0dcbd0b78d25b0ecd97d0b9edc5ca4f5a5e9 (patch) | |
| tree | 8c4a15d74d44975b931b225ff6383ee3e04c4955 /llvm/lib/CodeGen | |
| parent | 90839368354d2faeb99f727250934a49f85ad08f (diff) | |
| download | bcm5719-llvm-784a0dcbd0b78d25b0ecd97d0b9edc5ca4f5a5e9.tar.gz bcm5719-llvm-784a0dcbd0b78d25b0ecd97d0b9edc5ca4f5a5e9.zip | |
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.
llvm-svn: 18592
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocLinearScan.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp index c54152a1492..140846fe01e 100644 --- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp +++ b/llvm/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])) |
