Revert "Change memcpy/memset/memmove to have dest and source alignments."

[oota-llvm.git] / lib / IR / Attributes.cpp

diff --git a/lib/IR/Attributes.cpp b/lib/IR/Attributes.cpp
index fe09c47fb48a63a1e383aa9e70fe875326620a5d..bdefe5917feffbb467011247076122e72901a407 100644 (file)
--- a/lib/IR/Attributes.cpp
+++ b/lib/IR/Attributes.cpp
@@ -830,6 +830,11 @@ AttributeSet AttributeSet::removeAttributes(LLVMContext &C, unsigned Index,
   if (!pImpl) return AttributeSet();
   if (!Attrs.pImpl) return *this;
 
+  // FIXME it is not obvious how this should work for alignment.
+  // For now, say we can't pass in alignment, which no current use does.
+  assert(!Attrs.hasAttribute(Index, Attribute::Alignment) &&
+         "Attempt to change alignment!");
+
   // Add the attribute slots before the one we're trying to add.
   SmallVector<AttributeSet, 4> AttrSet;
   uint64_t NumAttrs = pImpl->getNumAttributes();