/
RISCVISAInfoTest.cpp
455 lines (411 loc) · 19.4 KB
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RISCVISAInfoTest.cpp
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//===-- unittests/RISCVISAInfoTest.cpp ------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/RISCVISAInfo.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using ::testing::ElementsAre;
using namespace llvm;
bool operator==(const llvm::RISCVExtensionInfo &A,
const llvm::RISCVExtensionInfo &B) {
return A.ExtName == B.ExtName && A.MajorVersion == B.MajorVersion &&
A.MinorVersion == B.MinorVersion;
}
TEST(ParseNormalizedArchString, RejectsUpperCase) {
for (StringRef Input : {"RV32", "rV64", "rv32i2P0", "rv64i2p0_A2p0"}) {
EXPECT_EQ(
toString(RISCVISAInfo::parseNormalizedArchString(Input).takeError()),
"string must be lowercase");
}
}
TEST(ParseNormalizedArchString, RejectsInvalidBaseISA) {
for (StringRef Input : {"rv32", "rv64", "rv32j", "rv65i"}) {
EXPECT_EQ(
toString(RISCVISAInfo::parseNormalizedArchString(Input).takeError()),
"arch string must begin with valid base ISA");
}
}
TEST(ParseNormalizedArchString, RejectsMalformedInputs) {
for (StringRef Input : {"rv64i2p0_", "rv32i2p0__a2p0", "rv32e2.0", "rv64e2p",
"rv32i", "rv64ip1"}) {
EXPECT_EQ(
toString(RISCVISAInfo::parseNormalizedArchString(Input).takeError()),
"extension lacks version in expected format");
}
}
TEST(ParseNormalizedArchString, AcceptsValidBaseISAsAndSetsXLen) {
auto MaybeRV32I = RISCVISAInfo::parseNormalizedArchString("rv32i2p0");
ASSERT_THAT_EXPECTED(MaybeRV32I, Succeeded());
RISCVISAInfo &InfoRV32I = **MaybeRV32I;
EXPECT_EQ(InfoRV32I.getExtensions().size(), 1UL);
EXPECT_TRUE(InfoRV32I.getExtensions().at("i") ==
(RISCVExtensionInfo{"i", 2, 0}));
EXPECT_EQ(InfoRV32I.getXLen(), 32U);
auto MaybeRV32E = RISCVISAInfo::parseNormalizedArchString("rv32e2p0");
ASSERT_THAT_EXPECTED(MaybeRV32E, Succeeded());
RISCVISAInfo &InfoRV32E = **MaybeRV32E;
EXPECT_EQ(InfoRV32E.getExtensions().size(), 1UL);
EXPECT_TRUE(InfoRV32E.getExtensions().at("e") ==
(RISCVExtensionInfo{"e", 2, 0}));
EXPECT_EQ(InfoRV32E.getXLen(), 32U);
auto MaybeRV64I = RISCVISAInfo::parseNormalizedArchString("rv64i2p0");
ASSERT_THAT_EXPECTED(MaybeRV64I, Succeeded());
RISCVISAInfo &InfoRV64I = **MaybeRV64I;
EXPECT_EQ(InfoRV64I.getExtensions().size(), 1UL);
EXPECT_TRUE(InfoRV64I.getExtensions().at("i") ==
(RISCVExtensionInfo{"i", 2, 0}));
EXPECT_EQ(InfoRV64I.getXLen(), 64U);
auto MaybeRV64E = RISCVISAInfo::parseNormalizedArchString("rv64e2p0");
ASSERT_THAT_EXPECTED(MaybeRV64E, Succeeded());
RISCVISAInfo &InfoRV64E = **MaybeRV64E;
EXPECT_EQ(InfoRV64E.getExtensions().size(), 1UL);
EXPECT_TRUE(InfoRV64E.getExtensions().at("e") ==
(RISCVExtensionInfo{"e", 2, 0}));
EXPECT_EQ(InfoRV64E.getXLen(), 64U);
}
TEST(ParseNormalizedArchString, AcceptsArbitraryExtensionsAndVersions) {
auto MaybeISAInfo = RISCVISAInfo::parseNormalizedArchString(
"rv64i5p1_m3p2_zmadeup11p12_sfoo2p0_xbar3p0");
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo &Info = **MaybeISAInfo;
EXPECT_EQ(Info.getExtensions().size(), 5UL);
EXPECT_TRUE(Info.getExtensions().at("i") == (RISCVExtensionInfo{"i", 5, 1}));
EXPECT_TRUE(Info.getExtensions().at("m") == (RISCVExtensionInfo{"m", 3, 2}));
EXPECT_TRUE(Info.getExtensions().at("zmadeup") ==
(RISCVExtensionInfo{"zmadeup", 11, 12}));
EXPECT_TRUE(Info.getExtensions().at("sfoo") ==
(RISCVExtensionInfo{"sfoo", 2, 0}));
EXPECT_TRUE(Info.getExtensions().at("xbar") ==
(RISCVExtensionInfo{"xbar", 3, 0}));
}
TEST(ParseNormalizedArchString, UpdatesFLenMinVLenMaxELen) {
auto MaybeISAInfo = RISCVISAInfo::parseNormalizedArchString(
"rv64i2p0_d2p0_zvl64b1p0_zve64d1p0");
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo &Info = **MaybeISAInfo;
EXPECT_EQ(Info.getXLen(), 64U);
EXPECT_EQ(Info.getFLen(), 64U);
EXPECT_EQ(Info.getMinVLen(), 64U);
EXPECT_EQ(Info.getMaxELen(), 64U);
}
TEST(ParseArchString, RejectsUpperCase) {
for (StringRef Input : {"RV32", "rV64", "rv32i2P0", "rv64i2p0_A2p0"}) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
"string must be lowercase");
}
}
TEST(ParseArchString, RejectsInvalidBaseISA) {
for (StringRef Input : {"rv32", "rv64", "rv65i"}) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
"string must begin with rv32{i,e,g} or rv64{i,g}");
}
for (StringRef Input : {"rv32j", "rv64k", "rv32_i"}) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
"first letter should be 'e', 'i' or 'g'");
}
}
TEST(ParseArchString, RejectsUnsupportedBaseISA) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString("rv64e", true).takeError()),
"standard user-level extension 'e' requires 'rv32'");
for (StringRef Input : {"rv128i", "rv128g"}) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
"string must begin with rv32{i,e,g} or rv64{i,g}");
}
}
TEST(ParseArchString, AcceptsSupportedBaseISAsAndSetsXLenAndFLen) {
auto MaybeRV32I = RISCVISAInfo::parseArchString("rv32i", true);
ASSERT_THAT_EXPECTED(MaybeRV32I, Succeeded());
RISCVISAInfo &InfoRV32I = **MaybeRV32I;
RISCVISAInfo::OrderedExtensionMap ExtsRV32I = InfoRV32I.getExtensions();
EXPECT_EQ(ExtsRV32I.size(), 1UL);
EXPECT_TRUE(ExtsRV32I.at("i") == (RISCVExtensionInfo{"i", 2, 0}));
EXPECT_EQ(InfoRV32I.getXLen(), 32U);
EXPECT_EQ(InfoRV32I.getFLen(), 0U);
auto MaybeRV32E = RISCVISAInfo::parseArchString("rv32e", true);
ASSERT_THAT_EXPECTED(MaybeRV32E, Succeeded());
RISCVISAInfo &InfoRV32E = **MaybeRV32E;
RISCVISAInfo::OrderedExtensionMap ExtsRV32E = InfoRV32E.getExtensions();
EXPECT_EQ(ExtsRV32E.size(), 1UL);
EXPECT_TRUE(ExtsRV32E.at("e") == (RISCVExtensionInfo{"e", 1, 9}));
EXPECT_EQ(InfoRV32E.getXLen(), 32U);
EXPECT_EQ(InfoRV32E.getFLen(), 0U);
auto MaybeRV32G = RISCVISAInfo::parseArchString("rv32g", true);
ASSERT_THAT_EXPECTED(MaybeRV32G, Succeeded());
RISCVISAInfo &InfoRV32G = **MaybeRV32G;
RISCVISAInfo::OrderedExtensionMap ExtsRV32G = InfoRV32G.getExtensions();
EXPECT_EQ(ExtsRV32G.size(), 5UL);
EXPECT_TRUE(ExtsRV32G.at("i") == (RISCVExtensionInfo{"i", 2, 0}));
EXPECT_TRUE(ExtsRV32G.at("m") == (RISCVExtensionInfo{"m", 2, 0}));
EXPECT_TRUE(ExtsRV32G.at("a") == (RISCVExtensionInfo{"a", 2, 0}));
EXPECT_TRUE(ExtsRV32G.at("f") == (RISCVExtensionInfo{"f", 2, 0}));
EXPECT_TRUE(ExtsRV32G.at("d") == (RISCVExtensionInfo{"d", 2, 0}));
EXPECT_EQ(InfoRV32G.getXLen(), 32U);
EXPECT_EQ(InfoRV32G.getFLen(), 64U);
auto MaybeRV64I = RISCVISAInfo::parseArchString("rv64i", true);
ASSERT_THAT_EXPECTED(MaybeRV64I, Succeeded());
RISCVISAInfo &InfoRV64I = **MaybeRV64I;
RISCVISAInfo::OrderedExtensionMap ExtsRV64I = InfoRV64I.getExtensions();
EXPECT_EQ(ExtsRV64I.size(), 1UL);
EXPECT_TRUE(ExtsRV64I.at("i") == (RISCVExtensionInfo{"i", 2, 0}));
EXPECT_EQ(InfoRV64I.getXLen(), 64U);
EXPECT_EQ(InfoRV64I.getFLen(), 0U);
auto MaybeRV64G = RISCVISAInfo::parseArchString("rv64g", true);
ASSERT_THAT_EXPECTED(MaybeRV64G, Succeeded());
RISCVISAInfo &InfoRV64G = **MaybeRV64G;
RISCVISAInfo::OrderedExtensionMap ExtsRV64G = InfoRV64G.getExtensions();
EXPECT_EQ(ExtsRV64G.size(), 5UL);
EXPECT_TRUE(ExtsRV64G.at("i") == (RISCVExtensionInfo{"i", 2, 0}));
EXPECT_TRUE(ExtsRV64G.at("m") == (RISCVExtensionInfo{"m", 2, 0}));
EXPECT_TRUE(ExtsRV64G.at("a") == (RISCVExtensionInfo{"a", 2, 0}));
EXPECT_TRUE(ExtsRV64G.at("f") == (RISCVExtensionInfo{"f", 2, 0}));
EXPECT_TRUE(ExtsRV64G.at("d") == (RISCVExtensionInfo{"d", 2, 0}));
EXPECT_EQ(InfoRV64G.getXLen(), 64U);
EXPECT_EQ(InfoRV64G.getFLen(), 64U);
}
TEST(ParseArchString, RequiresCanonicalOrderForExtensions) {
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv64idf", true).takeError()),
"standard user-level extension not given in canonical order 'f'");
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv32iam", true).takeError()),
"standard user-level extension not given in canonical order 'm'");
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv32i_zfinx_a", true).takeError()),
"invalid extension prefix 'a'");
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv64i_svnapot_zicsr", true)
.takeError()),
"standard user-level extension not given in canonical order 'zicsr'");
EXPECT_THAT_EXPECTED(
RISCVISAInfo::parseArchString("rv64imafdc_zicsr_svnapot", true),
Succeeded());
}
TEST(ParseArchString, RejectsUnrecognizedExtensionNamesByDefault) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString("rv64ib", true).takeError()),
"unsupported standard user-level extension 'b'");
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv32i_zmadeup", true).takeError()),
"unsupported standard user-level extension 'zmadeup'");
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv64g_smadeup", true).takeError()),
"unsupported standard supervisor-level extension 'smadeup'");
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv64g_sxmadeup", true).takeError()),
"unsupported non-standard supervisor-level extension 'sxmadeup'");
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv64g_xmadeup", true).takeError()),
"unsupported non-standard user-level extension 'xmadeup'");
}
TEST(ParseArchString, IgnoresUnrecognizedExtensionNamesWithIgnoreUnknown) {
for (StringRef Input : {"rv32ib", "rv32i_zmadeup", "rv64i_smadeup",
"rv32i_sxmadeup", "rv64i_xmadeup"}) {
auto MaybeISAInfo = RISCVISAInfo::parseArchString(Input, true, false, true);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo &Info = **MaybeISAInfo;
RISCVISAInfo::OrderedExtensionMap Exts = Info.getExtensions();
EXPECT_EQ(Exts.size(), 1UL);
EXPECT_TRUE(Exts.at("i") == (RISCVExtensionInfo{"i", 2, 0}));
}
// Checks that supported extensions aren't incorrectly ignored when a
// version is present (an early version of the patch had this mistake).
auto MaybeISAInfo =
RISCVISAInfo::parseArchString("rv32i_zbc1p0_xmadeup", true, false, true);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts = (*MaybeISAInfo)->getExtensions();
EXPECT_TRUE(Exts.at("zbc") == (RISCVExtensionInfo{"zbc", 1, 0}));
}
TEST(ParseArchString, AcceptsVersionInLongOrShortForm) {
for (StringRef Input : {"rv64i2", "rv64i2p0"}) {
auto MaybeISAInfo = RISCVISAInfo::parseArchString(Input, true);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts = (*MaybeISAInfo)->getExtensions();
EXPECT_TRUE(Exts.at("i") == (RISCVExtensionInfo{"i", 2, 0}));
}
for (StringRef Input : {"rv32i_zfinx1", "rv32i_zfinx1p0"}) {
auto MaybeISAInfo = RISCVISAInfo::parseArchString(Input, true);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts = (*MaybeISAInfo)->getExtensions();
EXPECT_TRUE(Exts.at("zfinx") == (RISCVExtensionInfo{"zfinx", 1, 0}));
}
}
TEST(ParseArchString, RejectsUnrecognizedExtensionVersionsByDefault) {
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv64i1p0", true).takeError()),
"unsupported version number 1.0 for extension 'i'");
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv64i9p9", true).takeError()),
"unsupported version number 9.9 for extension 'i'");
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv32im0p1", true).takeError()),
"unsupported version number 0.1 for extension 'm'");
EXPECT_EQ(toString(RISCVISAInfo::parseArchString("rv32izifencei10p10", true)
.takeError()),
"unsupported version number 10.10 for extension 'zifencei'");
}
TEST(ParseArchString, RejectsUnrecognisedBaseISAVersionEvenWithIgnoreUnknown) {
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv64i1p0", true, false, true)
.takeError()),
"unsupported version number 1.0 for extension 'i'");
}
TEST(ParseArchString,
IgnoresExtensionsWithUnrecognizedVersionsWithIgnoreUnknown) {
for (StringRef Input : {"rv32im1p1", "rv64i_svnapot10p9", "rv32i_zicsr0p5"}) {
auto MaybeISAInfo = RISCVISAInfo::parseArchString(Input, true, false, true);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts = (*MaybeISAInfo)->getExtensions();
EXPECT_EQ(Exts.size(), 1UL);
EXPECT_TRUE(Exts.at("i") == (RISCVExtensionInfo{"i", 2, 0}));
}
}
TEST(ParseArchString, AcceptsUnderscoreSplittingExtensions) {
for (StringRef Input : {"rv32imafdczifencei", "rv32i_m_a_f_d_c_zifencei"}) {
auto MaybeISAInfo = RISCVISAInfo::parseArchString(Input, true);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts = (*MaybeISAInfo)->getExtensions();
EXPECT_EQ(Exts.size(), 7UL);
EXPECT_EQ(Exts.at("i").ExtName, "i");
EXPECT_EQ(Exts.at("m").ExtName, "m");
EXPECT_EQ(Exts.at("a").ExtName, "a");
EXPECT_EQ(Exts.at("f").ExtName, "f");
EXPECT_EQ(Exts.at("d").ExtName, "d");
EXPECT_EQ(Exts.at("c").ExtName, "c");
EXPECT_EQ(Exts.at("zifencei").ExtName, "zifencei");
}
}
TEST(ParseArchString, RejectsDoubleOrTrailingUnderscore) {
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv64i__m", true).takeError()),
"invalid standard user-level extension '_'");
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv32ezicsr_", true).takeError()),
"extension name missing after separator '_'");
// FIXME: Trailing underscores after single letter extensions are accepted,
// which is inconsistent.
ASSERT_THAT_EXPECTED(RISCVISAInfo::parseArchString("rv32i_", true),
Succeeded());
ASSERT_THAT_EXPECTED(RISCVISAInfo::parseArchString("rv64im_", true),
Succeeded());
}
TEST(ParseArchString, RejectsDuplicateExtensionNames) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString("rv64ii", true).takeError()),
"invalid standard user-level extension 'i'");
EXPECT_EQ(toString(RISCVISAInfo::parseArchString("rv32ee", true).takeError()),
"invalid standard user-level extension 'e'");
EXPECT_EQ(
toString(RISCVISAInfo::parseArchString("rv64imm", true).takeError()),
"standard user-level extension not given in canonical order 'm'");
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv32i_zicsr_zicsr", true).takeError()),
"duplicated standard user-level extension 'zicsr'");
}
TEST(ParseArchString,
RejectsExperimentalExtensionsIfNotEnableExperimentalExtension) {
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv64izihintntl", false).takeError()),
"requires '-menable-experimental-extensions' for experimental extension "
"'zihintntl'");
}
TEST(ParseArchString,
AcceptsExperimentalExtensionsIfEnableExperimentalExtension) {
// Note: If zihintntl becomes none-experimental, this test will need
// updating (and unfortunately, it will still pass). The failure of
// RejectsExperimentalExtensionsIfNotEnableExperimentalExtension will
// hopefully serve as a reminder to update.
auto MaybeISAInfo =
RISCVISAInfo::parseArchString("rv64izihintntl", true, false);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts = (*MaybeISAInfo)->getExtensions();
EXPECT_EQ(Exts.size(), 2UL);
EXPECT_EQ(Exts.at("zihintntl").ExtName, "zihintntl");
auto MaybeISAInfo2 = RISCVISAInfo::parseArchString("rv64izihintntl0p2", true);
ASSERT_THAT_EXPECTED(MaybeISAInfo2, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts2 = (*MaybeISAInfo2)->getExtensions();
EXPECT_EQ(Exts2.size(), 2UL);
EXPECT_EQ(Exts2.at("zihintntl").ExtName, "zihintntl");
}
TEST(ParseArchString,
RequiresExplicitVersionNumberForExperimentalExtensionByDefault) {
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv64izihintntl", true).takeError()),
"experimental extension requires explicit version number `zihintntl`");
}
TEST(ParseArchString,
AcceptsUnrecognizedVersionIfNotExperimentalExtensionVersionCheck) {
auto MaybeISAInfo =
RISCVISAInfo::parseArchString("rv64izihintntl9p9", true, false);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts = (*MaybeISAInfo)->getExtensions();
EXPECT_EQ(Exts.size(), 2UL);
EXPECT_TRUE(Exts.at("zihintntl") == (RISCVExtensionInfo{"zihintntl", 9, 9}));
}
TEST(ParseArchString, RejectsUnrecognizedVersionForExperimentalExtension) {
EXPECT_EQ(
toString(
RISCVISAInfo::parseArchString("rv64izihintntl9p9", true).takeError()),
"unsupported version number 9.9 for experimental extension 'zihintntl' "
"(this compiler supports 0.2)");
}
TEST(ParseArchString, AcceptsExtensionVersionForG) {
// FIXME: As there is no versioning scheme for G, arguably an error should
// be produced.
auto MaybeISAInfo = RISCVISAInfo::parseArchString("rv64g9p9", true, false);
ASSERT_THAT_EXPECTED(MaybeISAInfo, Succeeded());
RISCVISAInfo::OrderedExtensionMap Exts = (*MaybeISAInfo)->getExtensions();
EXPECT_EQ(Exts.size(), 5UL);
EXPECT_TRUE(Exts.at("i") == (RISCVExtensionInfo{"i", 2, 0}));
}
TEST(ParseArchString, AddsImpliedExtensions) {
// Does not attempt to exhaustively test all implications.
auto MaybeRV64ID = RISCVISAInfo::parseArchString("rv64id", true);
ASSERT_THAT_EXPECTED(MaybeRV64ID, Succeeded());
RISCVISAInfo::OrderedExtensionMap ExtsRV64ID =
(*MaybeRV64ID)->getExtensions();
EXPECT_EQ(ExtsRV64ID.size(), 3UL);
EXPECT_EQ(ExtsRV64ID.at("i").ExtName, "i");
EXPECT_EQ(ExtsRV64ID.at("f").ExtName, "f");
EXPECT_EQ(ExtsRV64ID.at("d").ExtName, "d");
auto MaybeRV32IZKN = RISCVISAInfo::parseArchString("rv64izkn", true);
ASSERT_THAT_EXPECTED(MaybeRV32IZKN, Succeeded());
RISCVISAInfo::OrderedExtensionMap ExtsRV32IZKN =
(*MaybeRV32IZKN)->getExtensions();
EXPECT_EQ(ExtsRV32IZKN.size(), 8UL);
EXPECT_EQ(ExtsRV32IZKN.at("i").ExtName, "i");
EXPECT_EQ(ExtsRV32IZKN.at("zbkb").ExtName, "zbkb");
EXPECT_EQ(ExtsRV32IZKN.at("zbkc").ExtName, "zbkc");
EXPECT_EQ(ExtsRV32IZKN.at("zbkx").ExtName, "zbkx");
EXPECT_EQ(ExtsRV32IZKN.at("zkne").ExtName, "zkne");
EXPECT_EQ(ExtsRV32IZKN.at("zknd").ExtName, "zknd");
EXPECT_EQ(ExtsRV32IZKN.at("zknh").ExtName, "zknh");
EXPECT_EQ(ExtsRV32IZKN.at("zkn").ExtName, "zkn");
}
TEST(ParseArchString, RejectsConflictingExtensions) {
for (StringRef Input : {"rv32ifzfinx", "rv64gzdinx"}) {
EXPECT_EQ(toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
"'f' and 'zfinx' extensions are incompatible");
}
}
TEST(ToFeatureVector, IIsDroppedAndExperimentalExtensionsArePrefixed) {
auto MaybeISAInfo1 =
RISCVISAInfo::parseArchString("rv64im_zihintntl", true, false);
ASSERT_THAT_EXPECTED(MaybeISAInfo1, Succeeded());
EXPECT_THAT((*MaybeISAInfo1)->toFeatureVector(),
ElementsAre("+m", "+experimental-zihintntl"));
auto MaybeISAInfo2 = RISCVISAInfo::parseArchString(
"rv32e_zihintntl_xventanacondops", true, false);
ASSERT_THAT_EXPECTED(MaybeISAInfo2, Succeeded());
EXPECT_THAT((*MaybeISAInfo2)->toFeatureVector(),
ElementsAre("+e", "+experimental-zihintntl", "+xventanacondops"));
}