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PR8918 - When used with MinGW64, LLVM generates a "calll __main" at the

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beginning of the "main" function. The assembler complains about the invalid
suffix for the 'call' instruction. The right instruction is "callq __main".
Patch by KS Sreeram!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122933 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2011-01-06 00:47:10 +00:00
parent 8c3527e7a4
commit 78d15761e4
1 changed files with 5 additions and 2 deletions
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7
lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -530,9 +530,12 @@ void X86DAGToDAGISel::PreprocessISelDAG() {
void X86DAGToDAGISel::EmitSpecialCodeForMain(MachineBasicBlock *BB,
MachineFrameInfo *MFI) {
const TargetInstrInfo *TII = TM.getInstrInfo();
if (Subtarget->isTargetCygMing())
if (Subtarget->isTargetCygMing()) {
unsigned CallOp =
Subtarget->is64Bit() ? X86::CALL64pcrel32 : X86::CALLpcrel32;
BuildMI(BB, DebugLoc(),
TII->get(X86::CALLpcrel32)).addExternalSymbol("__main");
TII->get(CallOp)).addExternalSymbol("__main");
}
}
void X86DAGToDAGISel::EmitFunctionEntryCode() {