Lower prefetch to a noop, patch contributed by Justin Wick!
llvm-svn: 20375
diff --git a/llvm/lib/CodeGen/IntrinsicLowering.cpp b/llvm/lib/CodeGen/IntrinsicLowering.cpp
index 63ff815..85e8ba5 100644
--- a/llvm/lib/CodeGen/IntrinsicLowering.cpp
+++ b/llvm/lib/CodeGen/IntrinsicLowering.cpp
@@ -169,6 +169,9 @@
cast<PointerType>(CI->getType())));
break;
+ case Intrinsic::prefetch:
+ break; // Simply strip out prefetches on unsupported architectures
+
case Intrinsic::dbg_stoppoint:
case Intrinsic::dbg_region_start:
case Intrinsic::dbg_region_end: