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author | Vikram S. Adve <vadve@cs.uiuc.edu> | 2003-07-29 19:32:04 +0000 |
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committer | Vikram S. Adve <vadve@cs.uiuc.edu> | 2003-07-29 19:32:04 +0000 |
commit | 0eb7f745ed843f793f0d7ae28d35d0704fa8fe6d (patch) | |
tree | 2711e7c95b073db1af65d7c1cf5cce89e1ddfa1c /include | |
parent | c78022ed075f5cecd1913ee6d37c599db579d2cd (diff) | |
download | external_llvm-0eb7f745ed843f793f0d7ae28d35d0704fa8fe6d.zip external_llvm-0eb7f745ed843f793f0d7ae28d35d0704fa8fe6d.tar.gz external_llvm-0eb7f745ed843f793f0d7ae28d35d0704fa8fe6d.tar.bz2 |
Don't require a BB to look-up live variables, unless they may need to
be recomputed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7384 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r-- | include/llvm/CodeGen/FunctionLiveVarInfo.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/llvm/CodeGen/FunctionLiveVarInfo.h b/include/llvm/CodeGen/FunctionLiveVarInfo.h index 0bdd7f9..9120d8e 100644 --- a/include/llvm/CodeGen/FunctionLiveVarInfo.h +++ b/include/llvm/CodeGen/FunctionLiveVarInfo.h @@ -110,13 +110,17 @@ public: // gets InSet of a BB const ValueSet &getInSetOfBB(const BasicBlock *BB) const; - // gets the Live var set BEFORE an instruction + // gets the Live var set BEFORE an instruction. + // if BB is specified and the live var set has not yet been computed, + // it will be computed on demand. const ValueSet &getLiveVarSetBeforeMInst(const MachineInstr *MI, - const BasicBlock *BB); + const BasicBlock *BB = 0); // gets the Live var set AFTER an instruction + // if BB is specified and the live var set has not yet been computed, + // it will be computed on demand. const ValueSet &getLiveVarSetAfterMInst(const MachineInstr *MI, - const BasicBlock *BB); + const BasicBlock *BB = 0); }; #endif |