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Make fast isel win64-aware w.r.t. call-clobbered regs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109069 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1646,15 +1646,26 @@ bool X86FastISel::X86SelectCall(const Instruction *I) {
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MachineInstrBuilder MIB;
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if (CalleeOp) {
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// Register-indirect call.
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unsigned CallOpc = Subtarget->is64Bit() ? X86::CALL64r : X86::CALL32r;
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unsigned CallOpc;
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if (Subtarget->isTargetWin64())
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CallOpc = X86::WINCALL64r;
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else if (Subtarget->is64Bit())
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CallOpc = X86::CALL64r;
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else
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CallOpc = X86::CALL32r;
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MIB = BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(CallOpc))
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.addReg(CalleeOp);
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} else {
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// Direct call.
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assert(GV && "Not a direct call");
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unsigned CallOpc =
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Subtarget->is64Bit() ? X86::CALL64pcrel32 : X86::CALLpcrel32;
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unsigned CallOpc;
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if (Subtarget->isTargetWin64())
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CallOpc = X86::WINCALL64pcrel32;
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else if (Subtarget->is64Bit())
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CallOpc = X86::CALL64pcrel32;
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else
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CallOpc = X86::CALLpcrel32;
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// See if we need any target-specific flags on the GV operand.
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unsigned char OpFlags = 0;
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