[llvm] r266833 - [Mips] [MSan] VarArgMIPS64Helper: Use target's endian, not host's.

[Marcin Koscielnicki via llvm-commits]

Author: koriakin
Date: Tue Apr 19 18:46:59 2016
New Revision: 266833

URL: http://llvm.org/viewvc/llvm-project?rev=266833&view=rev
Log:
[Mips] [MSan] VarArgMIPS64Helper: Use target's endian, not host's.

Ugh.

Differential Revision: http://reviews.llvm.org/D19292

Modified:
    llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp

Modified: llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp?rev=266833&r1=266832&r2=266833&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp Tue Apr 19 18:46:59 2016
@@ -2965,15 +2965,16 @@ struct VarArgMIPS64Helper : public VarAr
     const DataLayout &DL = F.getParent()->getDataLayout();
     for (CallSite::arg_iterator ArgIt = CS.arg_begin() + 1, End = CS.arg_end();
          ArgIt != End; ++ArgIt) {
+      llvm::Triple TargetTriple(F.getParent()->getTargetTriple());
       Value *A = *ArgIt;
       Value *Base;
       uint64_t ArgSize = DL.getTypeAllocSize(A->getType());
-#if defined(__MIPSEB__) || defined(MIPSEB)
-      // Adjusting the shadow for argument with size < 8 to match the placement
-      // of bits in big endian system
-      if (ArgSize < 8)
-        VAArgOffset += (8 - ArgSize);
-#endif
+      if (TargetTriple.getArch() == llvm::Triple::mips64) {
+        // Adjusting the shadow for argument with size < 8 to match the placement
+        // of bits in big endian system
+        if (ArgSize < 8)
+          VAArgOffset += (8 - ArgSize);
+      }
       Base = getShadowPtrForVAArgument(A->getType(), IRB, VAArgOffset);
       VAArgOffset += ArgSize;
       VAArgOffset = alignTo(VAArgOffset, 8);