diff options
Diffstat (limited to 'lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp')
| -rw-r--r-- | lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp b/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp index 73709ba13643..bba132c3bc46 100644 --- a/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp +++ b/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp @@ -1,9 +1,8 @@ //===- AMDGPUAliasAnalysis ------------------------------------------------===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// /// \file @@ -54,20 +53,21 @@ void AMDGPUAAWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const { AU.setPreservesAll(); } -// These arrays are indexed by address space value enum elements 0 ... to 6 -static const AliasResult ASAliasRules[7][7] = { - /* Flat Global Region Group Constant Private Constant 32-bit */ - /* Flat */ {MayAlias, MayAlias, MayAlias, MayAlias, MayAlias, MayAlias, MayAlias}, - /* Global */ {MayAlias, MayAlias, NoAlias , NoAlias , MayAlias, NoAlias , MayAlias}, - /* Region */ {MayAlias, NoAlias , NoAlias , NoAlias, MayAlias, NoAlias , MayAlias}, - /* Group */ {MayAlias, NoAlias , NoAlias , MayAlias, NoAlias , NoAlias , NoAlias}, - /* Constant */ {MayAlias, MayAlias, MayAlias, NoAlias , NoAlias, NoAlias , MayAlias}, - /* Private */ {MayAlias, NoAlias , NoAlias , NoAlias , NoAlias , MayAlias, NoAlias}, - /* Constant 32-bit */ {MayAlias, MayAlias, MayAlias, NoAlias , MayAlias, NoAlias , NoAlias} +// These arrays are indexed by address space value enum elements 0 ... to 7 +static const AliasResult ASAliasRules[8][8] = { + /* Flat Global Region Group Constant Private Constant 32-bit Buffer Fat Ptr */ + /* Flat */ {MayAlias, MayAlias, NoAlias, MayAlias, MayAlias, MayAlias, MayAlias, MayAlias}, + /* Global */ {MayAlias, MayAlias, NoAlias , NoAlias , MayAlias, NoAlias , MayAlias, MayAlias}, + /* Region */ {NoAlias, NoAlias , MayAlias, NoAlias , NoAlias, NoAlias , NoAlias, NoAlias}, + /* Group */ {MayAlias, NoAlias , NoAlias , MayAlias, NoAlias , NoAlias , NoAlias , NoAlias}, + /* Constant */ {MayAlias, MayAlias, NoAlias, NoAlias , NoAlias , NoAlias , MayAlias, MayAlias}, + /* Private */ {MayAlias, NoAlias , NoAlias , NoAlias , NoAlias , MayAlias, NoAlias , NoAlias}, + /* Constant 32-bit */ {MayAlias, MayAlias, NoAlias, NoAlias , MayAlias, NoAlias , NoAlias , MayAlias}, + /* Buffer Fat Ptr */ {MayAlias, MayAlias, NoAlias , NoAlias , MayAlias, NoAlias , MayAlias, MayAlias} }; static AliasResult getAliasResult(unsigned AS1, unsigned AS2) { - static_assert(AMDGPUAS::MAX_AMDGPU_ADDRESS <= 6, "Addr space out of range"); + static_assert(AMDGPUAS::MAX_AMDGPU_ADDRESS <= 7, "Addr space out of range"); if (AS1 > AMDGPUAS::MAX_AMDGPU_ADDRESS || AS2 > AMDGPUAS::MAX_AMDGPU_ADDRESS) return MayAlias; @@ -76,7 +76,8 @@ static AliasResult getAliasResult(unsigned AS1, unsigned AS2) { } AliasResult AMDGPUAAResult::alias(const MemoryLocation &LocA, - const MemoryLocation &LocB) { + const MemoryLocation &LocB, + AAQueryInfo &AAQI) { unsigned asA = LocA.Ptr->getType()->getPointerAddressSpace(); unsigned asB = LocB.Ptr->getType()->getPointerAddressSpace(); @@ -85,11 +86,11 @@ AliasResult AMDGPUAAResult::alias(const MemoryLocation &LocA, return Result; // Forward the query to the next alias analysis. - return AAResultBase::alias(LocA, LocB); + return AAResultBase::alias(LocA, LocB, AAQI); } bool AMDGPUAAResult::pointsToConstantMemory(const MemoryLocation &Loc, - bool OrLocal) { + AAQueryInfo &AAQI, bool OrLocal) { const Value *Base = GetUnderlyingObject(Loc.Ptr, DL); unsigned AS = Base->getType()->getPointerAddressSpace(); if (AS == AMDGPUAS::CONSTANT_ADDRESS || @@ -106,7 +107,7 @@ bool AMDGPUAAResult::pointsToConstantMemory(const MemoryLocation &Loc, // Only assume constant memory for arguments on kernels. switch (F->getCallingConv()) { default: - return AAResultBase::pointsToConstantMemory(Loc, OrLocal); + return AAResultBase::pointsToConstantMemory(Loc, AAQI, OrLocal); case CallingConv::AMDGPU_LS: case CallingConv::AMDGPU_HS: case CallingConv::AMDGPU_ES: @@ -133,5 +134,5 @@ bool AMDGPUAAResult::pointsToConstantMemory(const MemoryLocation &Loc, return true; } } - return AAResultBase::pointsToConstantMemory(Loc, OrLocal); + return AAResultBase::pointsToConstantMemory(Loc, AAQI, OrLocal); } |