We now support all MMX intrinsics. SSE intrinsics are next.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45062 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CGExprScalar.cpp b/CodeGen/CGExprScalar.cpp
index 5ef7496..b51d4a7 100644
--- a/CodeGen/CGExprScalar.cpp
+++ b/CodeGen/CGExprScalar.cpp
@@ -1099,3 +1099,37 @@
return Builder.CreateShuffleVector(V1, V2, Mask, Name);
}
+llvm::Value *CodeGenFunction::EmitVector(llvm::Value * const *Vals,
+ unsigned NumVals)
+{
+ bool AllConstElements = true;
+
+ for (unsigned i = 0; i < NumVals; i++) {
+ if (!isa<llvm::Constant>(Vals[i])) {
+ AllConstElements = false;
+ break;
+ }
+ }
+
+ assert(!(NumVals & NumVals - 1) &&
+ "Number of elements must be power of two!");
+
+ if (AllConstElements) {
+ llvm::SmallVector<llvm::Constant*, 16> Constants;
+
+ for (unsigned i = 0, e = NumVals; i != e; ++i)
+ Constants.push_back(cast<llvm::Constant>(Vals[i]));
+
+ return llvm::ConstantVector::get(&Constants[0], Constants.size());
+ }
+
+ llvm::Value *Vec
+ = llvm::UndefValue::get(llvm::VectorType::get(Vals[0]->getType(), NumVals));
+
+ for (unsigned i = 0, e = NumVals ; i != e; ++i) {
+ llvm::Value *Idx = llvm::ConstantInt::get(llvm::Type::Int32Ty, i);
+ Vec = Builder.CreateInsertElement(Vec, Vals[i], Idx, "tmp");
+ }
+
+ return Vec;
+}