[PATCH] Propagate -fno-unwind-tables to EHABI

[Renato Golin]

================
Comment at: lib/CodeGen/AsmPrinter/ARMException.cpp:89
@@ -80,3 +88,3 @@
   ARMTargetStreamer &ATS = getTargetStreamer();
-  if (!Asm->MF->getFunction()->needsUnwindTableEntry())
+  if (Asm->MF->getFunction()->doesNotThrow())
     ATS.emitCantUnwind();
----------------
Anton Korobeynikov wrote:
> Does needsUnwindTableEntry() and doesNotThrow() do the same?
No. nUTE() is (uwtable || !noThrow). In the new code, uwtable is already covered by shouldEmitEH, and !noThrow is covered by the else below.

I'm basically expanding the knowledge to print the right things at the right times and interoperate nicely with Dwarf CFI unwinding.


http://llvm-reviews.chandlerc.com/D3079