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Honour setHasCalls() set from isel.

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91144 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2009-12-11 19:39:55 +00:00
parent 0291d7ed09
commit 817a46454a
3 changed files with 70 additions and 2 deletions
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4
lib/CodeGen/PrologEpilogInserter.cpp
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@@ -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);