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#!/bin/bash | ||
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RELEASE=19.0.0.2024082221+90abe71b | ||
RELEASE=19.0.0.2024083101+42158757 | ||
pip download llvm_aie==$RELEASE -f https://github.com/Xilinx/llvm-aie/releases/expanded_assets/nightly | ||
unzip llvm_aie*whl |
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106 changes: 106 additions & 0 deletions
106
compiler/plugins/target/AMD-AIE/iree-amd-aie/Target/PeanoDriver.cpp
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// Copyright 2024 The IREE Authors | ||
// | ||
// Licensed 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 | ||
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#include "PeanoDriver.h" | ||
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#include <filesystem> | ||
#include <string> | ||
#include <vector> | ||
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#include "llvm/Support/Error.h" | ||
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using Path = std::filesystem::path; | ||
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void addExternCSystemInclude(std::vector<std::string> &CC1Args, | ||
const std::string &Path) { | ||
CC1Args.push_back("-internal-externc-isystem"); | ||
CC1Args.push_back(Path); | ||
} | ||
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void addSystemInclude(std::vector<std::string> &CC1Args, | ||
const std::string &Path) { | ||
CC1Args.push_back("-internal-isystem"); | ||
CC1Args.push_back(Path); | ||
} | ||
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void AddClangSystemIncludeArgs(std::vector<std::string> &CC1Args, | ||
const Path &peanoDir, const std::string &target, | ||
bool novitisheaders, bool nostdlibinc) { | ||
// Always include our instrinsics, for compatibility with existing toolchain. | ||
if (!novitisheaders) { | ||
std::string path; | ||
if (target.rfind("aie2-", 0) == 0) { | ||
path = peanoDir / "lib" / "clang" / "19" / "include" / "aiev2intrin.h"; | ||
} else { | ||
llvm::report_fatal_error(("unsupported target: " + target).c_str()); | ||
} | ||
CC1Args.push_back("-include"); | ||
CC1Args.push_back(path); | ||
} | ||
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CC1Args.push_back("-D__AIENGINE__"); | ||
if (target.rfind("aie2-", 0) == 0) { | ||
CC1Args.push_back("-D__AIEARCH__=20"); | ||
} else { | ||
llvm::report_fatal_error(("unsupported target: " + target).c_str()); | ||
} | ||
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// Don't pull in system headers from /usr/include or /usr/local/include. | ||
// All the basic headers that we need come from the compiler. | ||
CC1Args.push_back("-nostdsysteminc"); | ||
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if (nostdlibinc) return; | ||
addExternCSystemInclude(CC1Args, peanoDir / "include" / target); | ||
} | ||
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void addLibCxxIncludePaths(std::vector<std::string> &CC1Args, | ||
const Path &peanoDir, const std::string &target, | ||
bool nostdinc, bool nostdlibinc, bool nostdincxx) { | ||
if (nostdinc || nostdlibinc || nostdincxx) return; | ||
addSystemInclude(CC1Args, peanoDir / "include" / target / "c++" / "v1"); | ||
// Second add the generic one. | ||
addSystemInclude(CC1Args, peanoDir / "include" / "c++" / "v1"); | ||
} | ||
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void addOptTargetOptions(std::vector<std::string> &CC1Args) { | ||
// For now, we disable the auto-vectorizers by default, as the backend cannot | ||
// handle many vector types. For experimentation the vectorizers can still be | ||
// enabled explicitly by the user | ||
CC1Args.push_back("-vectorize-loops=false"); | ||
CC1Args.push_back("-vectorize-slp=false"); | ||
// An if-then-else cascade requires at least 5 delay slots for evaluating the | ||
// condition and 5 delay slots for one of the branches, thus speculating 10 | ||
// instructions should be fine | ||
CC1Args.push_back("--two-entry-phi-node-folding-threshold=10"); | ||
// Make sure to perform most optimizations before mandatory inlinings, | ||
// otherwise noalias attributes can get lost and hurt AA results. | ||
CC1Args.push_back("-mandatory-inlining-before-opt=false"); | ||
// Perform complete AA analysis on phi nodes. | ||
CC1Args.push_back("-basic-aa-full-phi-analysis=true"); | ||
// Extend the max limit of the search depth in BasicAA | ||
CC1Args.push_back("-basic-aa-max-lookup-search-depth=10"); | ||
} | ||
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void addClangTargetOptions(std::vector<std::string> &CC1Args, | ||
const std::string &target) { | ||
CC1Args.push_back("-triple"); | ||
CC1Args.push_back(target); | ||
CC1Args.push_back("-fno-use-init-array"); | ||
// Pass -fno-threadsafe-statics to prevent dependence on lock acquire/release | ||
// handling for static local variables. | ||
CC1Args.push_back("-fno-threadsafe-statics"); | ||
std::vector<std::string> peanoArgs; | ||
addOptTargetOptions(peanoArgs); | ||
CC1Args.reserve(CC1Args.size() + 2 * peanoArgs.size()); | ||
for (const std::string &item : peanoArgs) { | ||
CC1Args.emplace_back("-mllvm"); | ||
CC1Args.emplace_back(item); | ||
} | ||
} | ||
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// Avoid using newer dwarf versions, as the simulator doesn't understand newer | ||
// dwarf. | ||
unsigned getMaxDwarfVersion() { return 4; } |
28 changes: 28 additions & 0 deletions
28
compiler/plugins/target/AMD-AIE/iree-amd-aie/Target/PeanoDriver.h
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// Copyright 2024 The IREE Authors | ||
// | ||
// Licensed 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 | ||
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#include <filesystem> | ||
#include <string> | ||
#include <vector> | ||
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#include "llvm/Support/Error.h" | ||
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void AddClangSystemIncludeArgs(std::vector<std::string> &CC1Args, | ||
const std::filesystem::path &peanoDir, | ||
const std::string &target, | ||
bool novitisheaders = false, | ||
bool nostdlibinc = false); | ||
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void addLibCxxIncludePaths(std::vector<std::string> &CC1Args, | ||
const std::filesystem::path &peanoDir, | ||
const std::string &target, bool nostdinc = false, | ||
bool nostdlibinc = false, bool nostdincxx = false); | ||
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void addOptTargetOptions(std::vector<std::string> &CC1Args); | ||
void addClangTargetOptions(std::vector<std::string> &CC1Args, | ||
const std::string &target); | ||
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unsigned getMaxDwarfVersion(); |
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