Honour setHasCalls() set from isel.

This is used in some weird cases like general dynamic TLS model.
This fixes PR5723

llvm-svn: 91144

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index 4d9f9f8..e94247f 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -136,9 +136,10 @@ void PEI::getAnalysisUsage(AnalysisUsage &AU) const {
 /// pseudo instructions.
 void PEI::calculateCallsInformation(MachineFunction &Fn) {
   const TargetRegisterInfo *RegInfo = Fn.getTarget().getRegisterInfo();
+  MachineFrameInfo *FFI = Fn.getFrameInfo();
 
   unsigned MaxCallFrameSize = 0;
-  bool HasCalls = false;
+  bool HasCalls = FFI->hasCalls();
 
   // Get the function call frame set-up and tear-down instruction opcode
   int FrameSetupOpcode   = RegInfo->getCallFrameSetupOpcode();
@@ -166,7 +167,6 @@ void PEI::calculateCallsInformation(MachineFunction &Fn) {
         HasCalls = true;
       }
 
-  MachineFrameInfo *FFI = Fn.getFrameInfo();
   FFI->setHasCalls(HasCalls);
   FFI->setMaxCallFrameSize(MaxCallFrameSize);