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| author | Dale Johannesen <dalej@apple.com> | 2007-03-20 21:35:06 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2007-03-20 21:35:06 +0000 |
| commit | 69cb9b78f11d505f4351a269fc90e7b77fcda437 (patch) | |
| tree | ca40f363fd3e12f0acebf4392296fde4c7337f99 /include/llvm/CodeGen/RegisterScavenging.h | |
| parent | cbdfb8a9d5e9159f8bbd9b20c9b979e45a4d943c (diff) | |
| download | llvm-69cb9b78f11d505f4351a269fc90e7b77fcda437.tar.gz llvm-69cb9b78f11d505f4351a269fc90e7b77fcda437.tar.bz2 llvm-69cb9b78f11d505f4351a269fc90e7b77fcda437.tar.xz | |
maintain LiveIn when splitting blocks (register scavenging needs it)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35226 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/RegisterScavenging.h')
| -rw-r--r-- | include/llvm/CodeGen/RegisterScavenging.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h index 3836002e5a..f66cf156e6 100644 --- a/include/llvm/CodeGen/RegisterScavenging.h +++ b/include/llvm/CodeGen/RegisterScavenging.h @@ -91,6 +91,9 @@ public: bool isUsed(unsigned Reg) const { return !RegStates[Reg]; } bool isUnused(unsigned Reg) const { return RegStates[Reg]; } + /// getRegsUsed - return all registers currently in use in used. + void getRegsUsed(BitVector &used, bool includeReserved); + /// setUsed / setUnused - Mark the state of one or a number of registers. /// void setUsed(unsigned Reg) { RegStates.reset(Reg); } |