Prevent instructions using $gp from being placed between a jalr and the instruction that restores the clobbered $gp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130847 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 53190b4600..9f5c2184ca 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -77,6 +77,12 @@ addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
 }
 
 bool MipsTargetMachine::
+addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) {
+  PM.add(createMipsEmitGPRestorePass(*this));
+  return true;
+}
+
+bool MipsTargetMachine::
 addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) {
   PM.add(createMipsExpandPseudoPass(*this));
   return true;