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[WebAssembly] Add triple support for the new wasm object format

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Differential Revision: https://reviews.llvm.org/D26701


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292252 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2017-01-17 20:34:09 +00:00
parent ecf1f1111b
commit c67238a892
6 changed files with 17 additions and 2 deletions
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6
include/llvm/ADT/Triple.h
View File

@ -206,6 +206,7 @@ public:
COFF,
ELF,
MachO,
Wasm,
};
private:
@ -576,6 +577,11 @@ public:
return getObjectFormat() == Triple::MachO;
}
/// Tests whether the OS uses the Wasm binary format.
bool isOSBinFormatWasm() const {
return getObjectFormat() == Triple::Wasm;
}
/// Tests whether the target is the PS4 CPU
bool isPS4CPU() const {
return getArch() == Triple::x86_64 &&

3
lib/MC/MCObjectFileInfo.cpp
View File

@ -843,6 +843,9 @@ void MCObjectFileInfo::InitMCObjectFileInfo(const Triple &TheTriple, bool PIC,
Env = IsELF;
initELFMCObjectFileInfo(TT);
break;
case Triple::Wasm:
report_fatal_error("Cannot initialize MC for wasm object file format yet.");
break;
case Triple::UnknownObjectFormat:
report_fatal_error("Cannot initialize MC for unknown object file format.");
break;

2
lib/ProfileData/InstrProf.cpp
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@ -794,7 +794,7 @@ bool needsComdatForCounter(const Function &F, const Module &M) {
return true;
Triple TT(M.getTargetTriple());
if (!TT.isOSBinFormatELF())
if (!TT.isOSBinFormatELF() && !TT.isOSBinFormatWasm())
return false;
// See createPGOFuncNameVar for more details. To avoid link errors, profile

2
lib/Support/Triple.cpp
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@ -510,6 +510,7 @@ static Triple::ObjectFormatType parseFormat(StringRef EnvironmentName) {
.EndsWith("coff", Triple::COFF)
.EndsWith("elf", Triple::ELF)
.EndsWith("macho", Triple::MachO)
.EndsWith("wasm", Triple::Wasm)
.Default(Triple::UnknownObjectFormat);
}
@ -581,6 +582,7 @@ static StringRef getObjectFormatTypeName(Triple::ObjectFormatType Kind) {
case Triple::COFF: return "coff";
case Triple::ELF: return "elf";
case Triple::MachO: return "macho";
case Triple::Wasm: return "wasm";
}
llvm_unreachable("unknown object format type");
}

3
lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -1853,7 +1853,8 @@ bool AddressSanitizerModule::InstrumentGlobals(IRBuilder<> &IRB, Module &M) {
GlobalValue *InstrumentedGlobal = NewGlobal;
bool CanUsePrivateAliases =
TargetTriple.isOSBinFormatELF() || TargetTriple.isOSBinFormatMachO();
TargetTriple.isOSBinFormatELF() || TargetTriple.isOSBinFormatMachO() ||
TargetTriple.isOSBinFormatWasm();
if (CanUsePrivateAliases && ClUsePrivateAliasForGlobals) {
// Create local alias for NewGlobal to avoid crash on ODR between
// instrumented and non-instrumented libraries.

3
unittests/ADT/TripleTest.cpp
View File

@ -888,6 +888,9 @@ TEST(TripleTest, FileFormat) {
EXPECT_EQ(Triple::ELF, Triple("i686-pc-windows-msvc-elf").getObjectFormat());
EXPECT_EQ(Triple::ELF, Triple("i686-pc-cygwin-elf").getObjectFormat());
EXPECT_EQ(Triple::Wasm, Triple("wasm32-unknown-unknown-wasm").getObjectFormat());
EXPECT_EQ(Triple::Wasm, Triple("wasm64-unknown-unknown-wasm").getObjectFormat());
Triple MSVCNormalized(Triple::normalize("i686-pc-windows-msvc-elf"));
EXPECT_EQ(Triple::ELF, MSVCNormalized.getObjectFormat());