diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/VirtRegRewriter.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/VirtRegRewriter.cpp b/lib/CodeGen/VirtRegRewriter.cpp index 107c19ad01..a9ff1ad9ae 100644 --- a/lib/CodeGen/VirtRegRewriter.cpp +++ b/lib/CodeGen/VirtRegRewriter.cpp @@ -1430,6 +1430,7 @@ private: std::vector<MachineOperand*> &KillOps, VirtRegMap &VRM) { + MachineBasicBlock::iterator oldNextMII = next(MII); TII->storeRegToStackSlot(MBB, next(MII), PhysReg, true, StackSlot, RC); MachineInstr *StoreMI = next(MII); VRM.addSpillSlotUse(StackSlot, StoreMI); @@ -1466,7 +1467,9 @@ private: } } - LastStore = next(MII); + // Allow for multi-instruction spill sequences, as on PPC Altivec. Presume + // the last of multiple instructions is the actual store. + LastStore = prior(oldNextMII); // If the stack slot value was previously available in some other // register, change it now. Otherwise, make the register available, |