commit 18ef4a4a0dd565ba267ee0708c7be3c742b2765a
author Guillaume Chatelet <gchatelet@google.com> Mon Oct 22 15:06:10 2018 +0000
committer Guillaume Chatelet <gchatelet@google.com> Mon Oct 22 15:06:10 2018 +0000
tree 2b4bf856f67d788d1fe8f7c62440bde6a3dd8227
parent 02f70a3fde988dc5d9e60ed5428d4ceb805774a9

[llvm-exegesis] Crash when assembling invalid Operand

llvm-svn: 344907

llvm/tools/llvm-exegesis/lib/Assembler.cpp

diff --git a/llvm/tools/llvm-exegesis/lib/Assembler.cpp b/llvm/tools/llvm-exegesis/lib/Assembler.cpp
index 527b101..1576cfe 100644
--- a/llvm/tools/llvm-exegesis/lib/Assembler.cpp
+++ b/llvm/tools/llvm-exegesis/lib/Assembler.cpp
@@ -110,6 +110,8 @@
         Builder.addReg(Op.getReg(), Flags);
       } else if (Op.isImm()) {
         Builder.addImm(Op.getImm());
+      } else if (!Op.isValid()) {
+        llvm_unreachable("Operand is not set");
       } else {
         llvm_unreachable("Not yet implemented");
       }