[llvm] 7ca1bcb - [M68k] Do not require register scavenging during PEI

[Jay Foad via llvm-commits]

Author: Jay Foad
Date: 2023-05-19T08:58:28+01:00
New Revision: 7ca1bcbc6043b7ab4635f04746d1b9480960e384

URL: https://github.com/llvm/llvm-project/commit/7ca1bcbc6043b7ab4635f04746d1b9480960e384
DIFF: https://github.com/llvm/llvm-project/commit/7ca1bcbc6043b7ab4635f04746d1b9480960e384.diff

LOG: [M68k] Do not require register scavenging during PEI

Nothing in this target appears to use the scavenger.

Differential Revision: https://reviews.llvm.org/D150584

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Target/M68k/M68kRegisterInfo.cpp b/llvm/lib/Target/M68k/M68kRegisterInfo.cpp
index d0cba1880a4de..62fb72ba4fd5e 100644
--- a/llvm/lib/Target/M68k/M68kRegisterInfo.cpp
+++ b/llvm/lib/Target/M68k/M68kRegisterInfo.cpp
@@ -213,7 +213,7 @@ bool M68kRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
 
 bool M68kRegisterInfo::requiresRegisterScavenging(
     const MachineFunction &MF) const {
-  return true;
+  return false;
 }
 
 bool M68kRegisterInfo::trackLivenessAfterRegAlloc(