IRgen/NEON: Fix codegen of vzip and vzipq.
- Will be adding an executable test case to test-suite repo.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112126 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 23c63e4..7fc27c8 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -1710,8 +1710,8 @@
for (unsigned vi = 0; vi != 2; ++vi) {
SmallVector<Constant*, 16> Indices;
for (unsigned i = 0, e = VTy->getNumElements(); i != e; i += 2) {
- Indices.push_back(ConstantInt::get(Int32Ty, (i >> 1)));
- Indices.push_back(ConstantInt::get(Int32Ty, (i >> 1)+e));
+ Indices.push_back(ConstantInt::get(Int32Ty, (i + vi*e) >> 1));
+ Indices.push_back(ConstantInt::get(Int32Ty, ((i + vi*e) >> 1)+e));
}
Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ops[0], vi);
SV = llvm::ConstantVector::get(Indices.begin(), Indices.size());