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| author | Alkis Evlogimenos <alkis@evlogimenos.com> | 2004-09-09 19:24:38 +0000 |
|---|---|---|
| committer | Alkis Evlogimenos <alkis@evlogimenos.com> | 2004-09-09 19:24:38 +0000 |
| commit | 213e6db9ce2fda45afe32cc07a2a14edbd956732 (patch) | |
| tree | 1c86af8f43da49e7fc70b0a2c70d674c4cbdb70d /llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | |
| parent | 4657235e361a45e4b90850fc558f812182d0a866 (diff) | |
| download | bcm5719-llvm-213e6db9ce2fda45afe32cc07a2a14edbd956732.tar.gz bcm5719-llvm-213e6db9ce2fda45afe32cc07a2a14edbd956732.zip | |
Grow the map on entry so that we don't crash if joinIntervals never
runs (if coalescing is disabled for example).
llvm-svn: 16259
Diffstat (limited to 'llvm/lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp index e0fefc3870f..04978d62e82 100644 --- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -88,6 +88,7 @@ bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) { mri_ = tm_->getRegisterInfo(); lv_ = &getAnalysis<LiveVariables>(); allocatableRegs_ = mri_->getAllocatableSet(fn); + r2rMap_.grow(mf_->getSSARegMap()->getLastVirtReg()); // number MachineInstrs unsigned miIndex = 0; @@ -619,8 +620,6 @@ namespace { void LiveIntervals::joinIntervals() { DEBUG(std::cerr << "********** JOINING INTERVALS ***********\n"); - // reserve space for the reg2reg map - r2rMap_.grow(mf_->getSSARegMap()->getLastVirtReg()); const LoopInfo &LI = getAnalysis<LoopInfo>(); if (LI.begin() == LI.end()) { |
