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author | Chris Lattner <sabre@nondot.org> | 2004-07-24 02:53:43 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2004-07-24 02:53:43 +0000 |
commit | 0f4c076140cbd9360650f75a896c88dcfacc526e (patch) | |
tree | 63ed9ce15883b1016ac872068c8f6e31ade2cf7b /include/llvm/CodeGen | |
parent | abf295fc6cfb438617e8b105022ce506f56674d8 (diff) | |
download | llvm-0f4c076140cbd9360650f75a896c88dcfacc526e.tar.gz llvm-0f4c076140cbd9360650f75a896c88dcfacc526e.tar.bz2 llvm-0f4c076140cbd9360650f75a896c88dcfacc526e.tar.xz |
Add a new differingRegisterClasses method
make overlapsAliases take pointers instead of references
fix indentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15153 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen')
-rw-r--r-- | include/llvm/CodeGen/LiveIntervalAnalysis.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h index b4228ce9b6..c9db013d97 100644 --- a/include/llvm/CodeGen/LiveIntervalAnalysis.h +++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h @@ -96,8 +96,8 @@ namespace llvm { LiveInterval& getInterval(unsigned reg) { Reg2IntervalMap::iterator I = r2iMap_.find(reg); - assert(I != r2iMap_.end()&& "Interval does not exist for register"); - return *I->second; + assert(I != r2iMap_.end()&& "Interval does not exist for register"); + return *I->second; } /// getInstructionIndex - returns the base index of instr @@ -152,8 +152,12 @@ namespace llvm { MachineBasicBlock::iterator mi, LiveInterval& interval); - bool overlapsAliases(const LiveInterval& lhs, - const LiveInterval& rhs) const; + /// Return true if the two specified registers belong to different + /// register classes. The registers may be either phys or virt regs. + bool differingRegisterClasses(unsigned RegA, unsigned RegB) const; + + bool overlapsAliases(const LiveInterval *lhs, + const LiveInterval *rhs) const; LiveInterval& getOrCreateInterval(unsigned reg); |