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634 lines
24 KiB
C++
634 lines
24 KiB
C++
//===------- VectorFunctionABITest.cpp - VFABI Unittests ---------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/VectorUtils.h"
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#include "llvm/AsmParser/Parser.h"
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#include "llvm/IR/InstIterator.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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// Test fixture needed that holds the veariables needed by the parser.
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class VFABIParserTest : public ::testing::Test {
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private:
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// Parser output.
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VFInfo Info;
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// Reset the data needed for the test.
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void reset(const StringRef Name, const StringRef IRType) {
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M = parseAssemblyString("declare void @dummy()", Err, Ctx);
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EXPECT_NE(M.get(), nullptr) << "Loading an invalid module.\n "
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<< Err.getMessage() << "\n";
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Type *Ty = parseType(IRType, Err, *(M.get()));
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FunctionType *FTy = dyn_cast<FunctionType>(Ty);
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EXPECT_NE(FTy, nullptr) << "Invalid function type string: " << IRType
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<< "\n"
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<< Err.getMessage() << "\n";
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FunctionCallee F = M->getOrInsertFunction(Name, FTy);
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EXPECT_NE(F.getCallee(), nullptr)
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<< "The function must be present in the module\n";
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// Reset the VFInfo
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Info = VFInfo();
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}
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// Data needed to load the optional IR passed to invokeParser
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LLVMContext Ctx;
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SMDiagnostic Err;
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std::unique_ptr<Module> M;
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// CallInst *CI;
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protected:
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// Referencies to the parser output field.
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ElementCount &VF = Info.Shape.VF;
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VFISAKind &ISA = Info.ISA;
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SmallVector<VFParameter, 8> &Parameters = Info.Shape.Parameters;
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std::string &ScalarName = Info.ScalarName;
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std::string &VectorName = Info.VectorName;
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// Invoke the parser. We need to make sure that a function exist in
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// the module because the parser fails if such function don't
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// exists. Every time this method is invoked the state of the test
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// is reset.
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//
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// \p MangledName -> the string the parser has to demangle.
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//
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// \p VectorName -> optional vector name that the method needs to
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// use to create the function in the module if it differs from the
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// standard mangled name.
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//
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// \p IRType -> FunctionType string to be used for the signature of
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// the vector function. The correct signature is needed by the
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// parser only for scalable functions. For the sake of testing, the
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// generic fixed-length case can use as signature `void()`.
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//
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bool invokeParser(const StringRef MangledName,
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const StringRef VectorName = "",
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const StringRef IRType = "void()") {
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StringRef Name = MangledName;
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if (!VectorName.empty())
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Name = VectorName;
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// Reset the VFInfo and the Module to be able to invoke
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// `invokeParser` multiple times in the same test.
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reset(Name, IRType);
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const auto OptInfo = VFABI::tryDemangleForVFABI(MangledName, *(M.get()));
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if (OptInfo.hasValue()) {
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Info = OptInfo.getValue();
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return true;
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}
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return false;
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}
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// Checks that 1. the last Parameter in the Shape is of type
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// VFParamKind::GlobalPredicate and 2. it is the only one of such
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// type.
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bool IsMasked() const {
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const auto NGlobalPreds =
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std::count_if(Info.Shape.Parameters.begin(),
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Info.Shape.Parameters.end(), [](const VFParameter PK) {
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return PK.ParamKind == VFParamKind::GlobalPredicate;
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});
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return NGlobalPreds == 1 && Info.Shape.Parameters.back().ParamKind ==
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VFParamKind::GlobalPredicate;
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}
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};
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} // unnamed namespace
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// This test makes sure correct mangling occurs for given string.
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TEST_F(VFABIParserTest, ManglingVectorTLINames) {
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EXPECT_EQ(
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VFABI::mangleTLIVectorName("vec", "scalar", 3, ElementCount::getFixed(4)),
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"_ZGV_LLVM_N4vvv_scalar(vec)");
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EXPECT_EQ(VFABI::mangleTLIVectorName("vec", "scalar", 3,
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ElementCount::getScalable(4)),
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"_ZGV_LLVM_Nxvvv_scalar(vec)");
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EXPECT_EQ(VFABI::mangleTLIVectorName("custom.call.v5", "custom.call", 1,
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ElementCount::getFixed(5)),
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"_ZGV_LLVM_N5v_custom.call(custom.call.v5)");
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}
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// This test makes sure that the demangling method succeeds only on
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// valid values of the string.
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TEST_F(VFABIParserTest, OnlyValidNames) {
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// Incomplete string.
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EXPECT_FALSE(invokeParser(""));
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EXPECT_FALSE(invokeParser("_ZGV"));
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EXPECT_FALSE(invokeParser("_ZGVn"));
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EXPECT_FALSE(invokeParser("_ZGVnN"));
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EXPECT_FALSE(invokeParser("_ZGVnN2"));
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EXPECT_FALSE(invokeParser("_ZGVnN2v"));
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EXPECT_FALSE(invokeParser("_ZGVnN2v_"));
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// Missing parameters.
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EXPECT_FALSE(invokeParser("_ZGVnN2_foo"));
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// Missing _ZGV prefix.
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EXPECT_FALSE(invokeParser("_ZVnN2v_foo"));
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// Missing <isa>.
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EXPECT_FALSE(invokeParser("_ZGVN2v_foo"));
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// Missing <mask>.
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EXPECT_FALSE(invokeParser("_ZGVn2v_foo"));
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// Missing <vlen>.
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EXPECT_FALSE(invokeParser("_ZGVnNv_foo"));
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// Missing <scalarname>.
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EXPECT_FALSE(invokeParser("_ZGVnN2v_"));
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// Missing _ separator.
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EXPECT_FALSE(invokeParser("_ZGVnN2vfoo"));
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// Missing <vectorname>. Using `fakename` because the string being
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// parsed is not a valid function name that `invokeParser` can add.
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EXPECT_FALSE(invokeParser("_ZGVnN2v_foo()", "fakename"));
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// Unterminated name. Using `fakename` because the string being
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// parsed is not a valid function name that `invokeParser` can add.
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EXPECT_FALSE(invokeParser("_ZGVnN2v_foo(bar", "fakename"));
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}
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TEST_F(VFABIParserTest, ParamListParsing) {
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EXPECT_TRUE(invokeParser("_ZGVnN2vl16Ls32R3l_foo"));
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EXPECT_EQ(Parameters.size(), (unsigned)5);
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EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector, 0}));
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EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::OMP_Linear, 16}));
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EXPECT_EQ(Parameters[2], VFParameter({2, VFParamKind::OMP_LinearValPos, 32}));
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EXPECT_EQ(Parameters[3], VFParameter({3, VFParamKind::OMP_LinearRef, 3}));
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EXPECT_EQ(Parameters[4], VFParameter({4, VFParamKind::OMP_Linear, 1}));
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}
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TEST_F(VFABIParserTest, ScalarNameAndVectorName_01) {
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EXPECT_TRUE(invokeParser("_ZGVnM2v_sin"));
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EXPECT_EQ(ScalarName, "sin");
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EXPECT_EQ(VectorName, "_ZGVnM2v_sin");
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}
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TEST_F(VFABIParserTest, ScalarNameAndVectorName_02) {
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EXPECT_TRUE(invokeParser("_ZGVnM2v_sin(UserFunc)", "UserFunc"));
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EXPECT_EQ(ScalarName, "sin");
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EXPECT_EQ(VectorName, "UserFunc");
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}
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TEST_F(VFABIParserTest, ScalarNameAndVectorName_03) {
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EXPECT_TRUE(invokeParser("_ZGVnM2v___sin_sin_sin"));
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EXPECT_EQ(ScalarName, "__sin_sin_sin");
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EXPECT_EQ(VectorName, "_ZGVnM2v___sin_sin_sin");
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}
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TEST_F(VFABIParserTest, Parse) {
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EXPECT_TRUE(invokeParser("_ZGVnN2vls2Ls27Us4Rs5l1L10U100R1000_sin"));
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EXPECT_EQ(VF, ElementCount::getFixed(2));
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EXPECT_FALSE(IsMasked());
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EXPECT_EQ(ISA, VFISAKind::AdvancedSIMD);
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EXPECT_EQ(Parameters.size(), (unsigned)9);
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EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector, 0}));
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EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::OMP_LinearPos, 2}));
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EXPECT_EQ(Parameters[2], VFParameter({2, VFParamKind::OMP_LinearValPos, 27}));
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EXPECT_EQ(Parameters[3], VFParameter({3, VFParamKind::OMP_LinearUValPos, 4}));
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EXPECT_EQ(Parameters[4], VFParameter({4, VFParamKind::OMP_LinearRefPos, 5}));
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EXPECT_EQ(Parameters[5], VFParameter({5, VFParamKind::OMP_Linear, 1}));
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EXPECT_EQ(Parameters[6], VFParameter({6, VFParamKind::OMP_LinearVal, 10}));
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EXPECT_EQ(Parameters[7], VFParameter({7, VFParamKind::OMP_LinearUVal, 100}));
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EXPECT_EQ(Parameters[8], VFParameter({8, VFParamKind::OMP_LinearRef, 1000}));
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EXPECT_EQ(ScalarName, "sin");
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EXPECT_EQ(VectorName, "_ZGVnN2vls2Ls27Us4Rs5l1L10U100R1000_sin");
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}
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TEST_F(VFABIParserTest, ParseVectorName) {
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EXPECT_TRUE(invokeParser("_ZGVnN2v_sin(my_v_sin)", "my_v_sin"));
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EXPECT_EQ(VF, ElementCount::getFixed(2));
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EXPECT_FALSE(IsMasked());
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EXPECT_EQ(ISA, VFISAKind::AdvancedSIMD);
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EXPECT_EQ(Parameters.size(), (unsigned)1);
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EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector, 0}));
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EXPECT_EQ(ScalarName, "sin");
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EXPECT_EQ(VectorName, "my_v_sin");
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}
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TEST_F(VFABIParserTest, LinearWithCompileTimeNegativeStep) {
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EXPECT_TRUE(invokeParser("_ZGVnN2ln1Ln10Un100Rn1000_sin"));
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EXPECT_EQ(VF, ElementCount::getFixed(2));
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EXPECT_FALSE(IsMasked());
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EXPECT_EQ(ISA, VFISAKind::AdvancedSIMD);
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EXPECT_EQ(Parameters.size(), (unsigned)4);
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EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::OMP_Linear, -1}));
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EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::OMP_LinearVal, -10}));
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EXPECT_EQ(Parameters[2], VFParameter({2, VFParamKind::OMP_LinearUVal, -100}));
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EXPECT_EQ(Parameters[3], VFParameter({3, VFParamKind::OMP_LinearRef, -1000}));
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EXPECT_EQ(ScalarName, "sin");
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EXPECT_EQ(VectorName, "_ZGVnN2ln1Ln10Un100Rn1000_sin");
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}
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TEST_F(VFABIParserTest, ParseScalableSVE) {
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EXPECT_TRUE(invokeParser(
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"_ZGVsMxv_sin(custom_vg)", "custom_vg",
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"<vscale x 2 x i32>(<vscale x 2 x i32>, <vscale x 2 x i1>)"));
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EXPECT_EQ(VF, ElementCount::getScalable(2));
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EXPECT_TRUE(IsMasked());
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EXPECT_EQ(ISA, VFISAKind::SVE);
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EXPECT_EQ(ScalarName, "sin");
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EXPECT_EQ(VectorName, "custom_vg");
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}
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TEST_F(VFABIParserTest, ParseFixedWidthSVE) {
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EXPECT_TRUE(invokeParser("_ZGVsM2v_sin"));
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EXPECT_EQ(VF, ElementCount::getFixed(2));
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EXPECT_TRUE(IsMasked());
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EXPECT_EQ(ISA, VFISAKind::SVE);
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EXPECT_EQ(ScalarName, "sin");
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EXPECT_EQ(VectorName, "_ZGVsM2v_sin");
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}
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TEST_F(VFABIParserTest, NotAVectorFunctionABIName) {
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// Vector names should start with `_ZGV`.
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EXPECT_FALSE(invokeParser("ZGVnN2v_sin"));
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}
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TEST_F(VFABIParserTest, LinearWithRuntimeStep) {
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EXPECT_FALSE(invokeParser("_ZGVnN2ls_sin"))
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<< "A number should be present after \"ls\".";
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EXPECT_TRUE(invokeParser("_ZGVnN2ls2_sin"));
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EXPECT_FALSE(invokeParser("_ZGVnN2Rs_sin"))
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<< "A number should be present after \"Rs\".";
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EXPECT_TRUE(invokeParser("_ZGVnN2Rs4_sin"));
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EXPECT_FALSE(invokeParser("_ZGVnN2Ls_sin"))
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<< "A number should be present after \"Ls\".";
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EXPECT_TRUE(invokeParser("_ZGVnN2Ls6_sin"));
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EXPECT_FALSE(invokeParser("_ZGVnN2Us_sin"))
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<< "A number should be present after \"Us\".";
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EXPECT_TRUE(invokeParser("_ZGVnN2Us8_sin"));
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}
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TEST_F(VFABIParserTest, LinearWithoutCompileTime) {
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EXPECT_TRUE(invokeParser("_ZGVnN3lLRUlnLnRnUn_sin"));
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EXPECT_EQ(Parameters.size(), (unsigned)8);
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EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::OMP_Linear, 1}));
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EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::OMP_LinearVal, 1}));
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EXPECT_EQ(Parameters[2], VFParameter({2, VFParamKind::OMP_LinearRef, 1}));
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EXPECT_EQ(Parameters[3], VFParameter({3, VFParamKind::OMP_LinearUVal, 1}));
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EXPECT_EQ(Parameters[4], VFParameter({4, VFParamKind::OMP_Linear, -1}));
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EXPECT_EQ(Parameters[5], VFParameter({5, VFParamKind::OMP_LinearVal, -1}));
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EXPECT_EQ(Parameters[6], VFParameter({6, VFParamKind::OMP_LinearRef, -1}));
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EXPECT_EQ(Parameters[7], VFParameter({7, VFParamKind::OMP_LinearUVal, -1}));
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}
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TEST_F(VFABIParserTest, ISA) {
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EXPECT_TRUE(invokeParser("_ZGVqN2v_sin"));
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EXPECT_EQ(ISA, VFISAKind::Unknown);
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EXPECT_TRUE(invokeParser("_ZGVnN2v_sin"));
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EXPECT_EQ(ISA, VFISAKind::AdvancedSIMD);
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EXPECT_TRUE(invokeParser("_ZGVsN2v_sin"));
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EXPECT_EQ(ISA, VFISAKind::SVE);
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EXPECT_TRUE(invokeParser("_ZGVbN2v_sin"));
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EXPECT_EQ(ISA, VFISAKind::SSE);
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EXPECT_TRUE(invokeParser("_ZGVcN2v_sin"));
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EXPECT_EQ(ISA, VFISAKind::AVX);
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EXPECT_TRUE(invokeParser("_ZGVdN2v_sin"));
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EXPECT_EQ(ISA, VFISAKind::AVX2);
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EXPECT_TRUE(invokeParser("_ZGVeN2v_sin"));
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EXPECT_EQ(ISA, VFISAKind::AVX512);
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}
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TEST_F(VFABIParserTest, LLVM_ISA) {
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EXPECT_FALSE(invokeParser("_ZGV_LLVM_N2v_sin"));
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EXPECT_TRUE(invokeParser("_ZGV_LLVM_N2v_sin_(vector_name)", "vector_name"));
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EXPECT_EQ(ISA, VFISAKind::LLVM);
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}
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TEST_F(VFABIParserTest, InvalidMask) {
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EXPECT_FALSE(invokeParser("_ZGVsK2v_sin"));
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}
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TEST_F(VFABIParserTest, InvalidParameter) {
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EXPECT_FALSE(invokeParser("_ZGVsM2vX_sin"));
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}
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TEST_F(VFABIParserTest, Align) {
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EXPECT_TRUE(invokeParser("_ZGVsN2l2a2_sin"));
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EXPECT_EQ(Parameters.size(), (unsigned)1);
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EXPECT_EQ(Parameters[0].Alignment, Align(2));
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// Missing alignment value.
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EXPECT_FALSE(invokeParser("_ZGVsM2l2a_sin"));
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// Invalid alignment token "x".
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EXPECT_FALSE(invokeParser("_ZGVsM2l2ax_sin"));
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// Alignment MUST be associated to a paramater.
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EXPECT_FALSE(invokeParser("_ZGVsM2a2_sin"));
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// Alignment must be a power of 2.
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EXPECT_FALSE(invokeParser("_ZGVsN2l2a0_sin"));
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EXPECT_TRUE(invokeParser("_ZGVsN2l2a1_sin"));
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EXPECT_FALSE(invokeParser("_ZGVsN2l2a3_sin"));
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EXPECT_FALSE(invokeParser("_ZGVsN2l2a6_sin"));
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}
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TEST_F(VFABIParserTest, ParseUniform) {
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EXPECT_TRUE(invokeParser("_ZGVnN2u_sin"));
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EXPECT_EQ(VF, ElementCount::getFixed(2));
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EXPECT_FALSE(IsMasked());
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EXPECT_EQ(ISA, VFISAKind::AdvancedSIMD);
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EXPECT_EQ(Parameters.size(), (unsigned)1);
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EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::OMP_Uniform, 0}));
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EXPECT_EQ(ScalarName, "sin");
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EXPECT_EQ(VectorName, "_ZGVnN2u_sin");
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// Uniform doesn't expect extra data.
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EXPECT_FALSE(invokeParser("_ZGVnN2u0_sin"));
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}
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TEST_F(VFABIParserTest, ISAIndependentMangling) {
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// This test makes sure that the mangling of the parameters in
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// independent on the <isa> token.
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const SmallVector<VFParameter, 8> ExpectedParams = {
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VFParameter({0, VFParamKind::Vector, 0}),
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VFParameter({1, VFParamKind::OMP_LinearPos, 2}),
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VFParameter({2, VFParamKind::OMP_LinearValPos, 27}),
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VFParameter({3, VFParamKind::OMP_LinearUValPos, 4}),
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VFParameter({4, VFParamKind::OMP_LinearRefPos, 5}),
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VFParameter({5, VFParamKind::OMP_Linear, 1}),
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VFParameter({6, VFParamKind::OMP_LinearVal, 10}),
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VFParameter({7, VFParamKind::OMP_LinearUVal, 100}),
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VFParameter({8, VFParamKind::OMP_LinearRef, 1000}),
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VFParameter({9, VFParamKind::OMP_Uniform, 0}),
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};
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#define __COMMON_CHECKS \
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do { \
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EXPECT_EQ(VF, ElementCount::getFixed(2)); \
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EXPECT_FALSE(IsMasked()); \
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EXPECT_EQ(Parameters.size(), (unsigned)10); \
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EXPECT_EQ(Parameters, ExpectedParams); \
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EXPECT_EQ(ScalarName, "sin"); \
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} while (0)
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// Advanced SIMD: <isa> = "n"
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EXPECT_TRUE(invokeParser("_ZGVnN2vls2Ls27Us4Rs5l1L10U100R1000u_sin"));
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EXPECT_EQ(ISA, VFISAKind::AdvancedSIMD);
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__COMMON_CHECKS;
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EXPECT_EQ(VectorName, "_ZGVnN2vls2Ls27Us4Rs5l1L10U100R1000u_sin");
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// SVE: <isa> = "s"
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EXPECT_TRUE(invokeParser("_ZGVsN2vls2Ls27Us4Rs5l1L10U100R1000u_sin"));
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EXPECT_EQ(ISA, VFISAKind::SVE);
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__COMMON_CHECKS;
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EXPECT_EQ(VectorName, "_ZGVsN2vls2Ls27Us4Rs5l1L10U100R1000u_sin");
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// SSE: <isa> = "b"
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EXPECT_TRUE(invokeParser("_ZGVbN2vls2Ls27Us4Rs5l1L10U100R1000u_sin"));
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EXPECT_EQ(ISA, VFISAKind::SSE);
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__COMMON_CHECKS;
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EXPECT_EQ(VectorName, "_ZGVbN2vls2Ls27Us4Rs5l1L10U100R1000u_sin");
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// AVX: <isa> = "c"
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EXPECT_TRUE(invokeParser("_ZGVcN2vls2Ls27Us4Rs5l1L10U100R1000u_sin"));
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EXPECT_EQ(ISA, VFISAKind::AVX);
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__COMMON_CHECKS;
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EXPECT_EQ(VectorName, "_ZGVcN2vls2Ls27Us4Rs5l1L10U100R1000u_sin");
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|
|
|
// AVX2: <isa> = "d"
|
|
EXPECT_TRUE(invokeParser("_ZGVdN2vls2Ls27Us4Rs5l1L10U100R1000u_sin"));
|
|
EXPECT_EQ(ISA, VFISAKind::AVX2);
|
|
__COMMON_CHECKS;
|
|
EXPECT_EQ(VectorName, "_ZGVdN2vls2Ls27Us4Rs5l1L10U100R1000u_sin");
|
|
|
|
// AVX512: <isa> = "e"
|
|
EXPECT_TRUE(invokeParser("_ZGVeN2vls2Ls27Us4Rs5l1L10U100R1000u_sin"));
|
|
EXPECT_EQ(ISA, VFISAKind::AVX512);
|
|
__COMMON_CHECKS;
|
|
EXPECT_EQ(VectorName, "_ZGVeN2vls2Ls27Us4Rs5l1L10U100R1000u_sin");
|
|
|
|
// LLVM: <isa> = "_LLVM_" internal vector function.
|
|
EXPECT_TRUE(invokeParser(
|
|
"_ZGV_LLVM_N2vls2Ls27Us4Rs5l1L10U100R1000u_sin(vectorf)", "vectorf"));
|
|
EXPECT_EQ(ISA, VFISAKind::LLVM);
|
|
__COMMON_CHECKS;
|
|
EXPECT_EQ(VectorName, "vectorf");
|
|
|
|
// Unknown ISA (randomly using "q"). This test will need update if
|
|
// some targets decide to use "q" as their ISA token.
|
|
EXPECT_TRUE(invokeParser("_ZGVqN2vls2Ls27Us4Rs5l1L10U100R1000u_sin"));
|
|
EXPECT_EQ(ISA, VFISAKind::Unknown);
|
|
__COMMON_CHECKS;
|
|
EXPECT_EQ(VectorName, "_ZGVqN2vls2Ls27Us4Rs5l1L10U100R1000u_sin");
|
|
|
|
#undef __COMMON_CHECKS
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, MissingScalarName) {
|
|
EXPECT_FALSE(invokeParser("_ZGVnN2v_"));
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, MissingVectorName) {
|
|
EXPECT_FALSE(invokeParser("_ZGVnN2v_foo()"));
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, MissingVectorNameTermination) {
|
|
EXPECT_FALSE(invokeParser("_ZGVnN2v_foo(bar"));
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseMaskingNEON) {
|
|
EXPECT_TRUE(invokeParser("_ZGVnM2v_sin"));
|
|
EXPECT_EQ(VF, ElementCount::getFixed(2));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::AdvancedSIMD);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sin");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseMaskingSVE) {
|
|
EXPECT_TRUE(invokeParser("_ZGVsM2v_sin"));
|
|
EXPECT_EQ(VF, ElementCount::getFixed(2));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::SVE);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sin");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseMaskingSSE) {
|
|
EXPECT_TRUE(invokeParser("_ZGVbM2v_sin"));
|
|
EXPECT_EQ(VF, ElementCount::getFixed(2));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::SSE);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sin");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseMaskingAVX) {
|
|
EXPECT_TRUE(invokeParser("_ZGVcM2v_sin"));
|
|
EXPECT_EQ(VF, ElementCount::getFixed(2));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::AVX);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sin");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseMaskingAVX2) {
|
|
EXPECT_TRUE(invokeParser("_ZGVdM2v_sin"));
|
|
EXPECT_EQ(VF, ElementCount::getFixed(2));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::AVX2);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sin");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseMaskingAVX512) {
|
|
EXPECT_TRUE(invokeParser("_ZGVeM2v_sin"));
|
|
EXPECT_EQ(VF, ElementCount::getFixed(2));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::AVX512);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sin");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseMaskingLLVM) {
|
|
EXPECT_TRUE(invokeParser("_ZGV_LLVM_M2v_sin(custom_vector_sin)",
|
|
"custom_vector_sin"));
|
|
EXPECT_EQ(VF, ElementCount::getFixed(2));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::LLVM);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sin");
|
|
EXPECT_EQ(VectorName, "custom_vector_sin");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseScalableMaskingLLVM) {
|
|
EXPECT_TRUE(invokeParser(
|
|
"_ZGV_LLVM_Mxv_sin(custom_vector_sin)", "custom_vector_sin",
|
|
"<vscale x 2 x i32> (<vscale x 2 x i32>, <vscale x 2 x i1>)"));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(VF, ElementCount::getScalable(2));
|
|
EXPECT_EQ(ISA, VFISAKind::LLVM);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sin");
|
|
EXPECT_EQ(VectorName, "custom_vector_sin");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseScalableMaskingLLVMSincos) {
|
|
EXPECT_TRUE(invokeParser("_ZGV_LLVM_Mxvl8l8_sincos(custom_vector_sincos)",
|
|
"custom_vector_sincos",
|
|
"void(<vscale x 2 x double>, double *, double *)"));
|
|
EXPECT_EQ(VF, ElementCount::getScalable(2));
|
|
EXPECT_TRUE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::LLVM);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)4);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::OMP_Linear, 8}));
|
|
EXPECT_EQ(Parameters[2], VFParameter({2, VFParamKind::OMP_Linear, 8}));
|
|
EXPECT_EQ(Parameters[3], VFParameter({3, VFParamKind::GlobalPredicate}));
|
|
EXPECT_EQ(ScalarName, "sincos");
|
|
EXPECT_EQ(VectorName, "custom_vector_sincos");
|
|
}
|
|
|
|
class VFABIAttrTest : public testing::Test {
|
|
protected:
|
|
void SetUp() override {
|
|
M = parseAssemblyString(IR, Err, Ctx);
|
|
// Get the only call instruction in the block, which is the first
|
|
// instruction.
|
|
CI = dyn_cast<CallInst>(&*(instructions(M->getFunction("f")).begin()));
|
|
}
|
|
const char *IR = "define i32 @f(i32 %a) {\n"
|
|
" %1 = call i32 @g(i32 %a) #0\n"
|
|
" ret i32 %1\n"
|
|
"}\n"
|
|
"declare i32 @g(i32)\n"
|
|
"declare <2 x i32> @custom_vg(<2 x i32>)"
|
|
"declare <4 x i32> @_ZGVnN4v_g(<4 x i32>)"
|
|
"declare <8 x i32> @_ZGVnN8v_g(<8 x i32>)"
|
|
"attributes #0 = { "
|
|
"\"vector-function-abi-variant\"=\""
|
|
"_ZGVnN2v_g(custom_vg),_ZGVnN4v_g\" }";
|
|
LLVMContext Ctx;
|
|
SMDiagnostic Err;
|
|
std::unique_ptr<Module> M;
|
|
CallInst *CI;
|
|
SmallVector<std::string, 8> Mappings;
|
|
};
|
|
|
|
TEST_F(VFABIAttrTest, Read) {
|
|
VFABI::getVectorVariantNames(*CI, Mappings);
|
|
SmallVector<std::string, 8> Exp;
|
|
Exp.push_back("_ZGVnN2v_g(custom_vg)");
|
|
Exp.push_back("_ZGVnN4v_g");
|
|
EXPECT_EQ(Mappings, Exp);
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, LLVM_InternalISA) {
|
|
EXPECT_FALSE(invokeParser("_ZGV_LLVM_N2v_sin"));
|
|
EXPECT_TRUE(invokeParser("_ZGV_LLVM_N2v_sin_(vector_name)", "vector_name"));
|
|
EXPECT_EQ(ISA, VFISAKind::LLVM);
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, IntrinsicsInLLVMIsa) {
|
|
EXPECT_TRUE(invokeParser("_ZGV_LLVM_N4vv_llvm.pow.f32(__svml_powf4)",
|
|
"__svml_powf4"));
|
|
EXPECT_EQ(VF, ElementCount::getFixed(4));
|
|
EXPECT_FALSE(IsMasked());
|
|
EXPECT_EQ(ISA, VFISAKind::LLVM);
|
|
EXPECT_EQ(Parameters.size(), (unsigned)2);
|
|
EXPECT_EQ(Parameters[0], VFParameter({0, VFParamKind::Vector}));
|
|
EXPECT_EQ(Parameters[1], VFParameter({1, VFParamKind::Vector}));
|
|
EXPECT_EQ(ScalarName, "llvm.pow.f32");
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ParseScalableRequiresDeclaration) {
|
|
const char *MangledName = "_ZGVsMxv_sin(custom_vg)";
|
|
// The parser succeds only when the correct function definition of
|
|
// `custom_vg` is added to the module.
|
|
EXPECT_FALSE(invokeParser(MangledName));
|
|
EXPECT_TRUE(invokeParser(
|
|
MangledName, "custom_vg",
|
|
"<vscale x 4 x double>(<vscale x 4 x double>, <vscale x 4 x i1>)"));
|
|
}
|
|
|
|
TEST_F(VFABIParserTest, ZeroIsInvalidVLEN) {
|
|
EXPECT_FALSE(invokeParser("_ZGVeM0v_sin"));
|
|
EXPECT_FALSE(invokeParser("_ZGVeN0v_sin"));
|
|
EXPECT_FALSE(invokeParser("_ZGVsM0v_sin"));
|
|
EXPECT_FALSE(invokeParser("_ZGVsN0v_sin"));
|
|
}
|
|
|
|
static std::unique_ptr<Module> parseIR(LLVMContext &C, const char *IR) {
|
|
SMDiagnostic Err;
|
|
std::unique_ptr<Module> Mod = parseAssemblyString(IR, Err, C);
|
|
if (!Mod)
|
|
Err.print("VectorFunctionABITests", errs());
|
|
return Mod;
|
|
}
|
|
|
|
TEST(VFABIGetMappingsTest, IndirectCallInst) {
|
|
LLVMContext C;
|
|
std::unique_ptr<Module> M = parseIR(C, R"IR(
|
|
define void @call(void () * %f) {
|
|
entry:
|
|
call void %f()
|
|
ret void
|
|
}
|
|
)IR");
|
|
auto F = dyn_cast_or_null<Function>(M->getNamedValue("call"));
|
|
ASSERT_TRUE(F);
|
|
auto CI = dyn_cast<CallInst>(&F->front().front());
|
|
ASSERT_TRUE(CI);
|
|
ASSERT_TRUE(CI->isIndirectCall());
|
|
auto Mappings = VFDatabase::getMappings(*CI);
|
|
EXPECT_EQ(Mappings.size(), (unsigned)0);
|
|
}
|