[PowerPC] Set kill flag for scratch register when spilling the link register

This fixes PR 28526. llvm-svn: 275603
2016-07-15 19:56:32 +00:00 · 2016-07-15 19:56:32 +00:00 · 62fba48e0f
parent 6d30aa03a0
commit 62fba48e0f
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
@ -901,7 +901,7 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF,
  if (MustSaveLR)
    // FIXME: On PPC32 SVR4, we must not spill before claiming the stackframe.
    BuildMI(MBB, MBBI, dl, StoreInst)
-      .addReg(ScratchReg)
+      .addReg(ScratchReg, getKillRegState(true))
      .addImm(LROffset)
      .addReg(SPReg);