diff options
| author | Chris Lattner <sabre@nondot.org> | 2004-02-19 18:34:02 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-02-19 18:34:02 +0000 |
| commit | d368c6163a54190c852838b370a62a86caafde3a (patch) | |
| tree | 3222f7efc115ef87c392900b4d6fef90da2f0272 /lib/CodeGen/RegAllocLocal.cpp | |
| parent | a96478d7d6b2aee1aecad4af23506167ec16752c (diff) | |
Fix problem fusing spill code into instructions: we didn't update the live
variable information to take into account the change of instruction
address.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11628 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLocal.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLocal.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp index cbbc7c2299..188b3b3417 100644 --- a/lib/CodeGen/RegAllocLocal.cpp +++ b/lib/CodeGen/RegAllocLocal.cpp @@ -496,6 +496,9 @@ MachineInstr *RA::reloadVirtReg(MachineBasicBlock &MBB, MachineInstr *MI, MachineBasicBlock::iterator MII = MI; if (RegInfo->foldMemoryOperand(MII, OpNum, FrameIndex)) { ++NumFused; + // Since we changed the address of MI, make sure to update live variables + // to know that the new instruction has the properties of the old one. + LV->instructionChanged(MI, MII); return MII; } |