[WebAssembly] Add an assertion to catch unexpected MCFixupKindInfo flags.

llvm-svn: 257657
2016-01-13 19:31:57 +00:00 · 2016-01-13 19:31:57 +00:00 · a39ca60126
parent 983ad65220
commit a39ca60126
1 changed files with 2 additions and 0 deletions
--- a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyAsmBackend.cpp
+++ b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyAsmBackend.cpp
@ -73,6 +73,8 @@ void WebAssemblyAsmBackend::applyFixup(const MCFixup &Fixup, char *Data,
                                       unsigned DataSize, uint64_t Value,
                                       bool IsPCRel) const {
  const MCFixupKindInfo &Info = getFixupKindInfo(Fixup.getKind());
+  assert(Info.Flags == 0 && "WebAssembly does not use MCFixupKindInfo flags");
+
  unsigned NumBytes = (Info.TargetSize + 7) / 8;
  if (Value == 0)
    return; // Doesn't change encoding.