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20a7d7760f
This allows a DiagnosticType and/or DiagnosticString to be associated with a RegisterClass in tablegen, so that we can emit diagnostics in the assembler when a register operand is incorrect. DiagnosticType creates a predictable enum value, which gets returned as the error code when an operand does not match, and can be used by the assembly parser to map to a user-facing diagnostic. DiagnosticString creates an anonymous enum value (currently based on the tablegen class name), and a function to map from enum values to strings will be generated. Both of these work the same was as they do for AsmOperand. This isn't used by any targets yet, but has one (positive) side-effect. It improves the diagnostic codes returned by validateOperandClass - we always want to emit the diagnostic that relates to the expected operand class, but this wasn't always being done when the expected and actual classes were completely different (token/register/custom). This causes a few AArch64 diagnostics to be improved, as Match_InvalidOperand was being returned instead of a specific diagnostic type. Differential revision: https://reviews.llvm.org/D36691 llvm-svn: 315295 |
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| .. | ||
| GlobalISel | ||
| CostTable.h | ||
| GenericOpcodes.td | ||
| Target.td | ||
| TargetCallingConv.h | ||
| TargetCallingConv.td | ||
| TargetFrameLowering.h | ||
| TargetInstrInfo.h | ||
| TargetIntrinsicInfo.h | ||
| TargetItinerary.td | ||
| TargetLowering.h | ||
| TargetLoweringObjectFile.h | ||
| TargetMachine.h | ||
| TargetOpcodes.def | ||
| TargetOpcodes.h | ||
| TargetOptions.h | ||
| TargetRegisterInfo.h | ||
| TargetSchedule.td | ||
| TargetSelectionDAG.td | ||
| TargetSubtargetInfo.h | ||