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author | Evan Cheng <evan.cheng@apple.com> | 2007-02-15 05:59:24 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2007-02-15 05:59:24 +0000 |
commit | 61de82d8853a02fe39c47302432abb70a586704f (patch) | |
tree | 87756c0f1a5d6d7be522071cbb055acae26278dd /include/llvm/CodeGen/LiveVariables.h | |
parent | ad1d5c3bc55249b3291338288c90773ce80df11a (diff) | |
download | llvm-61de82d8853a02fe39c47302432abb70a586704f.tar.gz llvm-61de82d8853a02fe39c47302432abb70a586704f.tar.bz2 llvm-61de82d8853a02fe39c47302432abb70a586704f.tar.xz |
Use BitVector instead of vector<bool> which can be extremely slow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34302 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/LiveVariables.h')
-rw-r--r-- | include/llvm/CodeGen/LiveVariables.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/LiveVariables.h b/include/llvm/CodeGen/LiveVariables.h index 47801a9472..6e7e23d495 100644 --- a/include/llvm/CodeGen/LiveVariables.h +++ b/include/llvm/CodeGen/LiveVariables.h @@ -30,6 +30,7 @@ #define LLVM_CODEGEN_LIVEVARIABLES_H #include "llvm/CodeGen/MachineFunctionPass.h" +#include "llvm/ADT/BitVector.h" #include <map> namespace llvm { @@ -75,7 +76,7 @@ public: /// through. This is a bit set which uses the basic block number as an /// index. /// - std::vector<bool> AliveBlocks; + BitVector AliveBlocks; /// Kills - List of MachineInstruction's which are the last use of this /// virtual register (kill it) in their basic block. @@ -111,7 +112,7 @@ private: /// are actually register allocatable by the target machine. We can not track /// liveness for values that are not in this set. /// - std::vector<bool> AllocatablePhysicalRegisters; + BitVector AllocatablePhysicalRegisters; private: // Intermediate data structures const MRegisterInfo *RegInfo; |