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If the target cannot issue a copy for the given source and dest registers, abort instead of silently continue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64184 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -125,10 +125,11 @@ void ScheduleDAGSDNodes::EmitCopyFromReg(SDNode *Node, unsigned ResNo,
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} else {
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// Create the reg, emit the copy.
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VRBase = MRI.createVirtualRegister(DstRC);
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bool Emitted =
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TII->copyRegToReg(*BB, End, VRBase, SrcReg, DstRC, SrcRC);
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Emitted = Emitted; // Silence compiler warning.
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assert(Emitted && "Unable to issue a copy instruction!");
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bool Emitted = TII->copyRegToReg(*BB, End, VRBase, SrcReg, DstRC, SrcRC);
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if (!Emitted) {
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cerr << "Unable to issue a copy instruction!\n";
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abort();
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}
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}
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SDValue Op(Node, ResNo);
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@ -529,7 +530,11 @@ void ScheduleDAGSDNodes::EmitNode(SDNode *Node, bool IsClone, bool IsCloned,
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else
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DstTRC = TRI->getPhysicalRegisterRegClass(DestReg,
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Node->getOperand(1).getValueType());
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TII->copyRegToReg(*BB, End, DestReg, SrcReg, DstTRC, SrcTRC);
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bool Emitted = TII->copyRegToReg(*BB, End, DestReg, SrcReg, DstTRC, SrcTRC);
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if (!Emitted) {
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cerr << "Unable to issue a copy instruction!\n";
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abort();
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}
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break;
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}
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case ISD::CopyFromReg: {
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