From 3203818bf7df5ff7b0b01b036cfeeb090ab9e596 Mon Sep 17 00:00:00 2001 From: Jingyue Wu Date: Fri, 26 Jun 2015 22:35:43 +0000 Subject: [NVPTX] noop when kernel pointers are already global Summary: Some front ends make kernel pointers global already. In that case, handlePointerParams does nothing. Test Plan: more tests in lower-kernel-ptr-arg.ll Reviewers: grosser Subscribers: jholewinski, llvm-commits Differential Revision: http://reviews.llvm.org/D10779 llvm-svn: 240849 --- llvm/lib/Target/NVPTX/NVPTXLowerKernelArgs.cpp | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'llvm/lib/Target/NVPTX') diff --git a/llvm/lib/Target/NVPTX/NVPTXLowerKernelArgs.cpp b/llvm/lib/Target/NVPTX/NVPTXLowerKernelArgs.cpp index 24dcb122b94..b533f316d8a 100644 --- a/llvm/lib/Target/NVPTX/NVPTXLowerKernelArgs.cpp +++ b/llvm/lib/Target/NVPTX/NVPTXLowerKernelArgs.cpp @@ -132,6 +132,10 @@ void NVPTXLowerKernelArgs::handlePointerParam(Argument *Arg) { assert(!Arg->hasByValAttr() && "byval params should be handled by handleByValParam"); + // Do nothing if the argument already points to the global address space. + if (Arg->getType()->getPointerAddressSpace() == ADDRESS_SPACE_GLOBAL) + return; + Instruction *FirstInst = Arg->getParent()->getEntryBlock().begin(); Instruction *ArgInGlobal = new AddrSpaceCastInst( Arg, PointerType::get(Arg->getType()->getPointerElementType(), -- cgit v1.2.3