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-rw-r--r--llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp17
1 files changed, 15 insertions, 2 deletions
diff --git a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
index 2acd7f78fae..02ccfe852e1 100644
--- a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
+++ b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
@@ -536,6 +536,10 @@ public:
return EndLoc;
}
+ SMRange getLocRange() const {
+ return SMRange(StartLoc, EndLoc);
+ }
+
Modifiers getModifiers() const {
assert(isRegKind() || isImmTy(ImmTyNone));
return isRegKind() ? Reg.Mods : Imm.Mods;
@@ -2244,6 +2248,9 @@ bool AMDGPUAsmParser::validateInstruction(const MCInst &Inst,
return true;
}
+static std::string AMDGPUMnemonicSpellCheck(StringRef S, uint64_t FBS,
+ unsigned VariantID = 0);
+
bool AMDGPUAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
OperandVector &Operands,
MCStreamer &Out,
@@ -2286,8 +2293,13 @@ bool AMDGPUAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
case Match_MissingFeature:
return Error(IDLoc, "instruction not supported on this GPU");
- case Match_MnemonicFail:
- return Error(IDLoc, "unrecognized instruction mnemonic");
+ case Match_MnemonicFail: {
+ uint64_t FBS = ComputeAvailableFeatures(getSTI().getFeatureBits());
+ std::string Suggestion = AMDGPUMnemonicSpellCheck(
+ ((AMDGPUOperand &)*Operands[0]).getToken(), FBS);
+ return Error(IDLoc, "invalid instruction" + Suggestion,
+ ((AMDGPUOperand &)*Operands[0]).getLocRange());
+ }
case Match_InvalidOperand: {
SMLoc ErrorLoc = IDLoc;
@@ -4786,6 +4798,7 @@ extern "C" void LLVMInitializeAMDGPUAsmParser() {
#define GET_REGISTER_MATCHER
#define GET_MATCHER_IMPLEMENTATION
+#define GET_MNEMONIC_SPELL_CHECKER
#include "AMDGPUGenAsmMatcher.inc"
// This fuction should be defined after auto-generated include so that we have
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