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Restore to pre-94570 state.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94625 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2010-01-27 00:00:57 +00:00
parent 9bc20ab519
commit 381993f1f2
1 changed files with 6 additions and 0 deletions
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6
lib/Target/X86/X86FastISel.cpp
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@ -31,6 +31,7 @@
#include "llvm/Support/CallSite.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Target/TargetOptions.h"
using namespace llvm;
namespace {
@ -1243,6 +1244,11 @@ bool X86FastISel::X86SelectCall(Instruction *I) {
CC != CallingConv::X86_FastCall)
return false;
// fastcc with -tailcallopt is intended to provide a guaranteed
// tail call optimization. Fastisel doesn't know how to do that.
if (CC == CallingConv::Fast && PerformTailCallOpt)
return false;
// Let SDISel handle vararg functions.
const PointerType *PT = cast<PointerType>(CS.getCalledValue()->getType());
const FunctionType *FTy = cast<FunctionType>(PT->getElementType());