diff options
Diffstat (limited to 'llvm/utils/TableGen/X86RecognizableInstr.cpp')
| -rw-r--r-- | llvm/utils/TableGen/X86RecognizableInstr.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/X86RecognizableInstr.cpp b/llvm/utils/TableGen/X86RecognizableInstr.cpp index a387efb7ebc..5811528f186 100644 --- a/llvm/utils/TableGen/X86RecognizableInstr.cpp +++ b/llvm/utils/TableGen/X86RecognizableInstr.cpp @@ -243,8 +243,12 @@ InstructionContext RecognizableInstr::insnContext() const { insnContext = EVEX_KB(IC_EVEX_XD); else if (OpPrefix == X86Local::XS) insnContext = EVEX_KB(IC_EVEX_XS); - else + else if (OpPrefix == X86Local::PS) insnContext = EVEX_KB(IC_EVEX); + else { + errs() << "Instruction does not use a prefix: " << Name << "\n"; + llvm_unreachable("Invalid prefix"); + } /// eof EVEX } else if (Encoding == X86Local::VEX || Encoding == X86Local::XOP) { if (HasVEX_LPrefix && VEX_WPrefix == X86Local::VEX_W1) { |
