Check for tied operands

Differential Revision: https://reviews.llvm.org/D50592 llvm-svn: 339567
llvm · Aug 13, 2018 · 8d4a661 · 8d4a661
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commit 8d4a661
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diff --git a/llvm/lib/Target/Hexagon/AsmParser/HexagonAsmParser.cpp b/llvm/lib/Target/Hexagon/AsmParser/HexagonAsmParser.cpp
@@ -581,6 +581,7 @@ bool HexagonAsmParser::matchOneInstruction(MCInst &MCI, SMLoc IDLoc,
   case Match_MnemonicFail:
     return Error(IDLoc, "unrecognized instruction");
   case Match_InvalidOperand:
+  case Match_InvalidTiedOperand:
     SMLoc ErrorLoc = IDLoc;
     if (ErrorInfo != ~0U) {
       if (ErrorInfo >= InstOperands.size())

diff --git a/llvm/test/MC/Hexagon/tied-ops.s b/llvm/test/MC/Hexagon/tied-ops.s
@@ -0,0 +1,6 @@
+# RUN: llvm-mc -arch=hexagon -filetype=asm %s 2> %t; FileCheck %s < %t
+
+# Check that tied operands are caught
+
+	{ r0 = sub(##_start, asl(r1, #1)) }
+# CHECK: error: invalid operand for instruction