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AMDGPU/SI: Add hsa code object directives

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Reviewers: arsenm

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10757

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240831 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2015-06-26 21:15:07 +00:00
parent 4aad126e37
commit ac1a45e511
23 changed files with 561 additions and 10 deletions
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111
lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
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@@ -8,6 +8,8 @@
//===----------------------------------------------------------------------===//
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "MCTargetDesc/AMDGPUTargetStreamer.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "SIDefines.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/SmallString.h"
@@ -314,6 +316,11 @@ class AMDGPUAsmParser : public MCTargetAsmParser {
/// }
private:
bool ParseDirectiveMajorMinor(uint32_t &Major, uint32_t &Minor);
bool ParseDirectiveHSACodeObjectVersion();
bool ParseDirectiveHSACodeObjectISA();
public:
AMDGPUAsmParser(MCSubtargetInfo &STI, MCAsmParser &_Parser,
const MCInstrInfo &MII,
@@ -329,6 +336,11 @@ public:
setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
}
AMDGPUTargetStreamer &getTargetStreamer() {
MCTargetStreamer &TS = *getParser().getStreamer().getTargetStreamer();
return static_cast<AMDGPUTargetStreamer &>(TS);
}
unsigned getForcedEncodingSize() const {
return ForcedEncodingSize;
}
@@ -581,7 +593,106 @@ bool AMDGPUAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
llvm_unreachable("Implement any new match types added!");
}
bool AMDGPUAsmParser::ParseDirectiveMajorMinor(uint32_t &Major,
uint32_t &Minor) {
if (getLexer().isNot(AsmToken::Integer))
return TokError("invalid major version");
Major = getLexer().getTok().getIntVal();
Lex();
if (getLexer().isNot(AsmToken::Comma))
return TokError("minor version number required, comma expected");
Lex();
if (getLexer().isNot(AsmToken::Integer))
return TokError("invalid minor version");
Minor = getLexer().getTok().getIntVal();
Lex();
return false;
}
bool AMDGPUAsmParser::ParseDirectiveHSACodeObjectVersion() {
uint32_t Major;
uint32_t Minor;
if (ParseDirectiveMajorMinor(Major, Minor))
return true;
getTargetStreamer().EmitDirectiveHSACodeObjectVersion(Major, Minor);
return false;
}
bool AMDGPUAsmParser::ParseDirectiveHSACodeObjectISA() {
uint32_t Major;
uint32_t Minor;
uint32_t Stepping;
StringRef VendorName;
StringRef ArchName;
// If this directive has no arguments, then use the ISA version for the
// targeted GPU.
if (getLexer().is(AsmToken::EndOfStatement)) {
AMDGPU::IsaVersion Isa = AMDGPU::getIsaVersion(STI.getFeatureBits());
getTargetStreamer().EmitDirectiveHSACodeObjectISA(Isa.Major, Isa.Minor,
Isa.Stepping,
"AMD", "AMDGPU");
return false;
}
if (ParseDirectiveMajorMinor(Major, Minor))
return true;
if (getLexer().isNot(AsmToken::Comma))
return TokError("stepping version number required, comma expected");
Lex();
if (getLexer().isNot(AsmToken::Integer))
return TokError("invalid stepping version");
Stepping = getLexer().getTok().getIntVal();
Lex();
if (getLexer().isNot(AsmToken::Comma))
return TokError("vendor name required, comma expected");
Lex();
if (getLexer().isNot(AsmToken::String))
return TokError("invalid vendor name");
VendorName = getLexer().getTok().getStringContents();
Lex();
if (getLexer().isNot(AsmToken::Comma))
return TokError("arch name required, comma expected");
Lex();
if (getLexer().isNot(AsmToken::String))
return TokError("invalid arch name");
ArchName = getLexer().getTok().getStringContents();
Lex();
getTargetStreamer().EmitDirectiveHSACodeObjectISA(Major, Minor, Stepping,
VendorName, ArchName);
return false;
}
bool AMDGPUAsmParser::ParseDirective(AsmToken DirectiveID) {
MCAsmParser &Parser = getParser();
StringRef IDVal = DirectiveID.getString();
if (IDVal == ".hsa_code_object_version")
return ParseDirectiveHSACodeObjectVersion();
if (IDVal == ".hsa_code_object_isa")
return ParseDirectiveHSACodeObjectISA();
return true;
}