[PATCH] D150584: [M68k] Do not require register scavenging during PEI

[Jay Foad via Phabricator via llvm-commits]

foad created this revision.
foad added a reviewer: myhsu.
Herald added subscribers: StephenFan, hiraditya.
Herald added a project: All.
foad requested review of this revision.
Herald added a project: LLVM.
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Nothing in this target appears to use the scavenger.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D150584

Files:
  llvm/lib/Target/M68k/M68kRegisterInfo.cpp


Index: llvm/lib/Target/M68k/M68kRegisterInfo.cpp
===================================================================
--- llvm/lib/Target/M68k/M68kRegisterInfo.cpp
+++ llvm/lib/Target/M68k/M68kRegisterInfo.cpp
@@ -213,7 +213,7 @@
 
 bool M68kRegisterInfo::requiresRegisterScavenging(
     const MachineFunction &MF) const {
-  return true;
+  return false;
 }
 
 bool M68kRegisterInfo::trackLivenessAfterRegAlloc(


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