Author: djg
Date: Tue Jan 17 15:46:38 2017
New Revision: 292269
URL: http://llvm.org/viewvc/llvm-project?rev=292269&view=rev
Log:
[WebAssembly] Add minimal support for the new wasm object format triple.
Modified:
cfe/trunk/lib/Basic/Targets.cpp
cfe/trunk/lib/CodeGen/BackendUtil.cpp
cfe/trunk/lib/CodeGen/CodeGenModule.cpp
cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
Modified: cfe/trunk/lib/Basic/Targets.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=292269&r1=292268&r2=292269&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Tue Jan 17 15:46:38 2017
@@ -8976,11 +8976,19 @@ static TargetInfo *AllocateTarget(const
return new SPIR64TargetInfo(Triple, Opts);
}
case llvm::Triple::wasm32:
- if (!(Triple == llvm::Triple("wasm32-unknown-unknown")))
+ if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
+ Triple.getVendor() != llvm::Triple::UnknownVendor ||
+ Triple.getOS() != llvm::Triple::UnknownOS ||
+ Triple.getEnvironment() != llvm::Triple::UnknownEnvironment ||
+ !(Triple.isOSBinFormatELF() || Triple.isOSBinFormatWasm()))
return nullptr;
return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
case llvm::Triple::wasm64:
- if (!(Triple == llvm::Triple("wasm64-unknown-unknown")))
+ if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
+ Triple.getVendor() != llvm::Triple::UnknownVendor ||
+ Triple.getOS() != llvm::Triple::UnknownOS ||
+ Triple.getEnvironment() != llvm::Triple::UnknownEnvironment ||
+ !(Triple.isOSBinFormatELF() || Triple.isOSBinFormatWasm()))
return nullptr;
return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/BackendUtil.cpp?rev=292269&r1=292268&r2=292269&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp (original)
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp Tue Jan 17 15:46:38 2017
@@ -999,6 +999,7 @@ static const char* getSectionNameForBitc
return "__LLVM,__bitcode";
case Triple::COFF:
case Triple::ELF:
+ case Triple::Wasm:
case Triple::UnknownObjectFormat:
return ".llvmbc";
}
@@ -1011,6 +1012,7 @@ static const char* getSectionNameForComm
return "__LLVM,__cmdline";
case Triple::COFF:
case Triple::ELF:
+ case Triple::Wasm:
case Triple::UnknownObjectFormat:
return ".llvmcmd";
}
Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=292269&r1=292268&r2=292269&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Tue Jan 17 15:46:38 2017
@@ -3341,6 +3341,7 @@ CodeGenModule::GetAddrOfConstantCFString
llvm_unreachable("unknown file format");
case llvm::Triple::COFF:
case llvm::Triple::ELF:
+ case llvm::Triple::Wasm:
GV->setSection("cfstring");
break;
case llvm::Triple::MachO:
Modified: cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp?rev=292269&r1=292268&r2=292269&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp (original)
+++ cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp Tue Jan 17 15:46:38 2017
@@ -2015,10 +2015,11 @@ void ItaniumCXXABI::EmitGuardedInit(Code
// The ABI says: "It is suggested that it be emitted in the same COMDAT
// group as the associated data object." In practice, this doesn't work for
- // non-ELF object formats, so only do it for ELF.
+ // non-ELF and non-Wasm object formats, so only do it for ELF and Wasm.
llvm::Comdat *C = var->getComdat();
if (!D.isLocalVarDecl() && C &&
- CGM.getTarget().getTriple().isOSBinFormatELF()) {
+ (CGM.getTarget().getTriple().isOSBinFormatELF() ||
+ CGM.getTarget().getTriple().isOSBinFormatWasm())) {
guard->setComdat(C);
// An inline variable's guard function is run from the per-TU
// initialization function, not via a dedicated global ctor function, so
@@ -3534,8 +3535,9 @@ static StructorCodegen getCodegenToUse(C
return StructorCodegen::RAUW;
if (llvm::GlobalValue::isWeakForLinker(Linkage)) {
- // Only ELF supports COMDATs with arbitrary names (C5/D5).
- if (CGM.getTarget().getTriple().isOSBinFormatELF())
+ // Only ELF and wasm support COMDATs with arbitrary names (C5/D5).
+ if (CGM.getTarget().getTriple().isOSBinFormatELF() ||
+ CGM.getTarget().getTriple().isOSBinFormatWasm())
return StructorCodegen::COMDAT;
return StructorCodegen::Emit;
}
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