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| author | Evan Cheng <evan.cheng@apple.com> | 2007-03-17 09:29:54 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-03-17 09:29:54 +0000 |
| commit | c6a2410d58916b8a8a1b26f2448b903d12e77f2f (patch) | |
| tree | 2d0e6142d79d7b8826291d2fe4c82001ffd74e24 /include/llvm/CodeGen/LiveVariables.h | |
| parent | ba1a3df608a14ca37ca944f4c942c202e919ea80 (diff) | |
| download | llvm-c6a2410d58916b8a8a1b26f2448b903d12e77f2f.tar.gz llvm-c6a2410d58916b8a8a1b26f2448b903d12e77f2f.tar.bz2 llvm-c6a2410d58916b8a8a1b26f2448b903d12e77f2f.tar.xz | |
Track the BB's where each virtual register is used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35135 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/LiveVariables.h')
| -rw-r--r-- | include/llvm/CodeGen/LiveVariables.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveVariables.h b/include/llvm/CodeGen/LiveVariables.h index 786a1fdc70..d98ad34735 100644 --- a/include/llvm/CodeGen/LiveVariables.h +++ b/include/llvm/CodeGen/LiveVariables.h @@ -79,6 +79,10 @@ public: /// BitVector AliveBlocks; + /// UsedBlocks - Set of blocks of which this value is actually used. This + /// is a bit set which uses the basic block number as an index. + BitVector UsedBlocks; + /// Kills - List of MachineInstruction's which are the last use of this /// virtual register (kill it) in their basic block. /// @@ -116,6 +120,8 @@ private: BitVector ReservedRegisters; private: // Intermediate data structures + MachineFunction *MF; + const MRegisterInfo *RegInfo; MachineInstr **PhysRegInfo; |