Make sure we correctly set the alignment for vector loads and stores associated with vector element lvalues. Patch by Kevin Schoedel (with some minor modifications by me).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153285 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGValue.h b/lib/CodeGen/CGValue.h
index 744a6e0..ac704e7 100644
--- a/lib/CodeGen/CGValue.h
+++ b/lib/CodeGen/CGValue.h
@@ -126,7 +126,8 @@
// 'const' is unused here
Qualifiers Quals;
- /// The alignment to use when accessing this lvalue.
+ // The alignment to use when accessing this lvalue. (For vector elements,
+ // this is the alignment of the whole vector.)
unsigned short Alignment;
// objective-c's ivar
@@ -267,22 +268,22 @@
}
static LValue MakeVectorElt(llvm::Value *Vec, llvm::Value *Idx,
- QualType type) {
+ QualType type, CharUnits Alignment) {
LValue R;
R.LVType = VectorElt;
R.V = Vec;
R.VectorIdx = Idx;
- R.Initialize(type, type.getQualifiers());
+ R.Initialize(type, type.getQualifiers(), Alignment);
return R;
}
static LValue MakeExtVectorElt(llvm::Value *Vec, llvm::Constant *Elts,
- QualType type) {
+ QualType type, CharUnits Alignment) {
LValue R;
R.LVType = ExtVectorElt;
R.V = Vec;
R.VectorElts = Elts;
- R.Initialize(type, type.getQualifiers());
+ R.Initialize(type, type.getQualifiers(), Alignment);
return R;
}