From: Daniel Dunbar <daniel@zuster.org>
Date: Thu, 26 Aug 2010 00:55:57 +0000 (+0000)
Subject: IRgen/NEON: Fix codegen of vzip and vzipq.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e361cc3daa6c22e4413d48bd8b8934ea9fd5a55f;p=clang

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 23c63e4452..7fc27c8075 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -1710,8 +1710,8 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
     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());