From d368c6163a54190c852838b370a62a86caafde3a Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 19 Feb 2004 18:34:02 +0000 Subject: 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 --- lib/CodeGen/RegAllocLocal.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'lib/CodeGen/RegAllocLocal.cpp') 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; } -- cgit v1.2.3-18-g5258