Teach ISel not to optimize 'optnone' functions.

[oota-llvm.git] / lib / MC / MCObjectDisassembler.cpp

diff --git a/lib/MC/MCObjectDisassembler.cpp b/lib/MC/MCObjectDisassembler.cpp
index fa4663740d3488bd3567fdfc15cca7d304a4948e..16a110f09bf8559154a1d9974614d502c8c1a6af 100644 (file)
--- a/lib/MC/MCObjectDisassembler.cpp
+++ b/lib/MC/MCObjectDisassembler.cpp
@@ -135,11 +135,13 @@ void MCObjectDisassembler::buildSectionAtoms(MCModule *Module) {
           Text->addInst(Inst, InstSize);
           InvalidData = 0;
         } else {
+          assert(InstSize && "getInstruction() consumed no bytes");
           if (!InvalidData) {
             Text = 0;
-            InvalidData = Module->createDataAtom(CurAddr, EndAddr);
+            InvalidData = Module->createDataAtom(CurAddr, CurAddr+InstSize - 1);
           }
-          InvalidData->addData(Contents[Index]);
+          for (uint64_t I = 0; I < InstSize; ++I)
+            InvalidData->addData(Contents[Index+I]);
         }
       }
     } else {