[AMDGPU] Added MsgPack format PAL metadata
Summary:
PAL metadata now supports both the old linear reg=val pairs format and
the new MsgPack format.
The MsgPack format uses YAML as its textual representation. On output to
YAML, a mnemonic name is provided for some hardware registers.
Differential Revision: https://reviews.llvm.org/D57028
Change-Id: I2bbaabaaca4b3574f7e03b80fbef7c7a69d06a94
llvm-svn: 356591
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
index eb1a1c1..c9fe9ae 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
@@ -1022,6 +1022,7 @@
auto CC = MF.getFunction().getCallingConv();
auto MD = getTargetStreamer()->getPALMetadata();
+ MD->setEntryPoint(CC, MF.getFunction().getName());
MD->setNumUsedVgprs(CC, CurrentProgramInfo.NumVGPRsForWavesPerEU);
MD->setNumUsedSgprs(CC, CurrentProgramInfo.NumSGPRsForWavesPerEU);
if (AMDGPU::isCompute(MF.getFunction().getCallingConv())) {
diff --git a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
index f4c029c..358fe6c 100644
--- a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
+++ b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
@@ -893,8 +893,15 @@
bool ParseDirectiveISAVersion();
bool ParseDirectiveHSAMetadata();
+ bool ParseDirectivePALMetadataBegin();
bool ParseDirectivePALMetadata();
+ /// Common code to parse out a block of text (typically YAML) between start and
+ /// end directives.
+ bool ParseToEndDirective(const char *AssemblerDirectiveBegin,
+ const char *AssemblerDirectiveEnd,
+ std::string &CollectString);
+
bool AddNextRegisterToList(unsigned& Reg, unsigned& RegWidth,
RegisterKind RegKind, unsigned Reg1,
unsigned RegNum);
@@ -3296,40 +3303,9 @@
}
std::string HSAMetadataString;
- raw_string_ostream YamlStream(HSAMetadataString);
-
- getLexer().setSkipSpace(false);
-
- bool FoundEnd = false;
- while (!getLexer().is(AsmToken::Eof)) {
- while (getLexer().is(AsmToken::Space)) {
- YamlStream << getLexer().getTok().getString();
- Lex();
- }
-
- if (getLexer().is(AsmToken::Identifier)) {
- StringRef ID = getLexer().getTok().getIdentifier();
- if (ID == AssemblerDirectiveEnd) {
- Lex();
- FoundEnd = true;
- break;
- }
- }
-
- YamlStream << Parser.parseStringToEndOfStatement()
- << getContext().getAsmInfo()->getSeparatorString();
-
- Parser.eatToEndOfStatement();
- }
-
- getLexer().setSkipSpace(true);
-
- if (getLexer().is(AsmToken::Eof) && !FoundEnd) {
- return TokError(Twine("expected directive ") +
- Twine(HSAMD::AssemblerDirectiveEnd) + Twine(" not found"));
- }
-
- YamlStream.flush();
+ if (ParseToEndDirective(AssemblerDirectiveBegin, AssemblerDirectiveEnd,
+ HSAMetadataString))
+ return true;
if (IsaInfo::hasCodeObjectV3(&getSTI())) {
if (!getTargetStreamer().EmitHSAMetadataV3(HSAMetadataString))
@@ -3342,6 +3318,63 @@
return false;
}
+/// Common code to parse out a block of text (typically YAML) between start and
+/// end directives.
+bool AMDGPUAsmParser::ParseToEndDirective(const char *AssemblerDirectiveBegin,
+ const char *AssemblerDirectiveEnd,
+ std::string &CollectString) {
+
+ raw_string_ostream CollectStream(CollectString);
+
+ getLexer().setSkipSpace(false);
+
+ bool FoundEnd = false;
+ while (!getLexer().is(AsmToken::Eof)) {
+ while (getLexer().is(AsmToken::Space)) {
+ CollectStream << getLexer().getTok().getString();
+ Lex();
+ }
+
+ if (getLexer().is(AsmToken::Identifier)) {
+ StringRef ID = getLexer().getTok().getIdentifier();
+ if (ID == AssemblerDirectiveEnd) {
+ Lex();
+ FoundEnd = true;
+ break;
+ }
+ }
+
+ CollectStream << Parser.parseStringToEndOfStatement()
+ << getContext().getAsmInfo()->getSeparatorString();
+
+ Parser.eatToEndOfStatement();
+ }
+
+ getLexer().setSkipSpace(true);
+
+ if (getLexer().is(AsmToken::Eof) && !FoundEnd) {
+ return TokError(Twine("expected directive ") +
+ Twine(AssemblerDirectiveEnd) + Twine(" not found"));
+ }
+
+ CollectStream.flush();
+ return false;
+}
+
+/// Parse the assembler directive for new MsgPack-format PAL metadata.
+bool AMDGPUAsmParser::ParseDirectivePALMetadataBegin() {
+ std::string String;
+ if (ParseToEndDirective(AMDGPU::PALMD::AssemblerDirectiveBegin,
+ AMDGPU::PALMD::AssemblerDirectiveEnd, String))
+ return true;
+
+ auto PALMetadata = getTargetStreamer().getPALMetadata();
+ if (!PALMetadata->setFromString(String))
+ return Error(getParser().getTok().getLoc(), "invalid PAL metadata");
+ return false;
+}
+
+/// Parse the assembler directive for old linear-format PAL metadata.
bool AMDGPUAsmParser::ParseDirectivePALMetadata() {
if (getSTI().getTargetTriple().getOS() != Triple::AMDPAL) {
return Error(getParser().getTok().getLoc(),
@@ -3350,6 +3383,7 @@
}
auto PALMetadata = getTargetStreamer().getPALMetadata();
+ PALMetadata->setLegacy();
for (;;) {
uint32_t Key, Value;
if (ParseAsAbsoluteExpression(Key)) {
@@ -3406,6 +3440,9 @@
return ParseDirectiveHSAMetadata();
}
+ if (IDVal == PALMD::AssemblerDirectiveBegin)
+ return ParseDirectivePALMetadataBegin();
+
if (IDVal == PALMD::AssemblerDirective)
return ParseDirectivePALMetadata();
diff --git a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp
index f3b610a..5daf4ac 100644
--- a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp
+++ b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp
@@ -384,12 +384,12 @@
// We use it for emitting the accumulated PAL metadata as a .note record.
void AMDGPUTargetELFStreamer::finish() {
std::string Blob;
- unsigned Type = ELF::NT_AMD_AMDGPU_PAL_METADATA;
+ const char *Vendor = getPALMetadata()->getVendor();
+ unsigned Type = getPALMetadata()->getType();
getPALMetadata()->toBlob(Type, Blob);
if (Blob.empty())
return;
- EmitNote(ElfNote::NoteNameV2,
- MCConstantExpr::create(Blob.size(), getContext()), Type,
+ EmitNote(Vendor, MCConstantExpr::create(Blob.size(), getContext()), Type,
[&](MCELFStreamer &OS) { OS.EmitBytes(Blob); });
}
diff --git a/llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.cpp b/llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.cpp
index aa39c9a..abd1c3e 100644
--- a/llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.cpp
+++ b/llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.cpp
@@ -27,15 +27,28 @@
using namespace llvm;
using namespace llvm::AMDGPU;
-// Read the amdgpu.pal.metadata supplied by the
-// frontend into our Registers, ready for per-function modification. It
-// is a NamedMD containing an MDTuple containing a number of MDNodes each of
-// which is an integer value, and each two integer values forms a key=value
-// pair that we store as Registers[key]=value in the map.
+// Read the PAL metadata from IR metadata, where it was put by the frontend.
void AMDGPUPALMetadata::readFromIR(Module &M) {
- auto NamedMD = M.getNamedMetadata("amdgpu.pal.metadata");
+ auto NamedMD = M.getNamedMetadata("amdgpu.pal.metadata.msgpack");
+ if (NamedMD && NamedMD->getNumOperands()) {
+ // This is the new msgpack format for metadata. It is a NamedMD containing
+ // an MDTuple containing an MDString containing the msgpack data.
+ BlobType = ELF::NT_AMDGPU_METADATA;
+ auto MDN = dyn_cast<MDTuple>(NamedMD->getOperand(0));
+ if (MDN && MDN->getNumOperands()) {
+ if (auto MDS = dyn_cast<MDString>(MDN->getOperand(0)))
+ setFromMsgPackBlob(MDS->getString());
+ }
+ return;
+ }
+ BlobType = ELF::NT_AMD_AMDGPU_PAL_METADATA;
+ NamedMD = M.getNamedMetadata("amdgpu.pal.metadata");
if (!NamedMD || !NamedMD->getNumOperands())
return;
+ // This is the old reg=value pair format for metadata. It is a NamedMD
+ // containing an MDTuple containing a number of MDNodes each of which is an
+ // integer value, and each two integer values forms a key=value pair that we
+ // store as Registers[key]=value in the map.
auto Tuple = dyn_cast<MDTuple>(NamedMD->getOperand(0));
if (!Tuple)
return;
@@ -44,7 +57,7 @@
auto Val = mdconst::dyn_extract<ConstantInt>(Tuple->getOperand(I + 1));
if (!Key || !Val)
continue;
- Registers[Key->getZExtValue()] = Val->getZExtValue();
+ setRegister(Key->getZExtValue(), Val->getZExtValue());
}
}
@@ -52,13 +65,26 @@
// Returns false if bad format. Blob must remain valid for the lifetime of the
// Metadata.
bool AMDGPUPALMetadata::setFromBlob(unsigned Type, StringRef Blob) {
- assert(Type == ELF::NT_AMD_AMDGPU_PAL_METADATA);
+ BlobType = Type;
+ if (Type == ELF::NT_AMD_AMDGPU_PAL_METADATA)
+ return setFromLegacyBlob(Blob);
+ return setFromMsgPackBlob(Blob);
+}
+
+// Set PAL metadata from legacy (array of key=value pairs) blob.
+bool AMDGPUPALMetadata::setFromLegacyBlob(StringRef Blob) {
auto Data = reinterpret_cast<const uint32_t *>(Blob.data());
for (unsigned I = 0; I != Blob.size() / sizeof(uint32_t) / 2; ++I)
setRegister(Data[I * 2], Data[I * 2 + 1]);
return true;
}
+// Set PAL metadata from msgpack blob.
+bool AMDGPUPALMetadata::setFromMsgPackBlob(StringRef Blob) {
+ msgpack::Reader Reader(Blob);
+ return MsgPackDoc.readFromBlob(Blob, /*Multi=*/false);
+}
+
// Given the calling convention, calculate the register number for rsrc1. In
// principle the register number could change in future hardware, but we know
// it is the same for gfx6-9 (except that LS and ES don't exist on gfx9), so
@@ -129,68 +155,541 @@
}
// Get a register from the metadata, or 0 if not currently set.
-unsigned AMDGPUPALMetadata::getRegister(unsigned Reg) { return Registers[Reg]; }
+unsigned AMDGPUPALMetadata::getRegister(unsigned Reg) {
+ auto Regs = getRegisters();
+ auto It = Regs.find(MsgPackDoc.getNode(Reg));
+ if (It == Regs.end())
+ return 0;
+ auto N = It->second;
+ if (N.getKind() != msgpack::Type::UInt)
+ return 0;
+ return N.getUInt();
+}
// Set a register in the metadata.
// In fact this ORs the value into any previous setting of the register.
void AMDGPUPALMetadata::setRegister(unsigned Reg, unsigned Val) {
- Registers[Reg] |= Val;
+ if (!isLegacy()) {
+ // In the new MsgPack format, ignore register numbered >= 0x10000000. It
+ // is a PAL ABI pseudo-register in the old non-MsgPack format.
+ if (Reg >= 0x10000000)
+ return;
+ }
+ auto &N = getRegisters()[MsgPackDoc.getNode(Reg)];
+ if (N.getKind() == msgpack::Type::UInt)
+ Val |= N.getUInt();
+ N = N.getDocument()->getNode(Val);
}
-// Set the number of used vgprs in the metadata. This is an optional advisory
-// record for logging etc; wave dispatch actually uses the rsrc1 register for
-// the shader stage to determine the number of vgprs to allocate.
+// Set the entry point name for one shader.
+void AMDGPUPALMetadata::setEntryPoint(unsigned CC, StringRef Name) {
+ if (isLegacy())
+ return;
+ // Msgpack format.
+ getHwStage(CC)[".entry_point"] = MsgPackDoc.getNode(Name, /*Copy=*/true);
+}
+
+// Set the number of used vgprs in the metadata. This is an optional
+// advisory record for logging etc; wave dispatch actually uses the rsrc1
+// register for the shader stage to determine the number of vgprs to
+// allocate.
void AMDGPUPALMetadata::setNumUsedVgprs(CallingConv::ID CC, unsigned Val) {
- unsigned NumUsedVgprsKey = getScratchSizeKey(CC) +
- PALMD::Key::VS_NUM_USED_VGPRS -
- PALMD::Key::VS_SCRATCH_SIZE;
- Registers[NumUsedVgprsKey] = Val;
+ if (isLegacy()) {
+ // Old non-msgpack format.
+ unsigned NumUsedVgprsKey = getScratchSizeKey(CC) +
+ PALMD::Key::VS_NUM_USED_VGPRS -
+ PALMD::Key::VS_SCRATCH_SIZE;
+ setRegister(NumUsedVgprsKey, Val);
+ return;
+ }
+ // Msgpack format.
+ getHwStage(CC)[".vgpr_count"] = MsgPackDoc.getNode(Val);
}
// Set the number of used sgprs in the metadata. This is an optional advisory
// record for logging etc; wave dispatch actually uses the rsrc1 register for
// the shader stage to determine the number of sgprs to allocate.
void AMDGPUPALMetadata::setNumUsedSgprs(CallingConv::ID CC, unsigned Val) {
- unsigned NumUsedSgprsKey = getScratchSizeKey(CC) +
- PALMD::Key::VS_NUM_USED_SGPRS -
- PALMD::Key::VS_SCRATCH_SIZE;
- Registers[NumUsedSgprsKey] = Val;
+ if (isLegacy()) {
+ // Old non-msgpack format.
+ unsigned NumUsedSgprsKey = getScratchSizeKey(CC) +
+ PALMD::Key::VS_NUM_USED_SGPRS -
+ PALMD::Key::VS_SCRATCH_SIZE;
+ setRegister(NumUsedSgprsKey, Val);
+ return;
+ }
+ // Msgpack format.
+ getHwStage(CC)[".sgpr_count"] = MsgPackDoc.getNode(Val);
}
// Set the scratch size in the metadata.
void AMDGPUPALMetadata::setScratchSize(CallingConv::ID CC, unsigned Val) {
- Registers[getScratchSizeKey(CC)] = Val;
+ if (isLegacy()) {
+ // Old non-msgpack format.
+ setRegister(getScratchSizeKey(CC), Val);
+ return;
+ }
+ // Msgpack format.
+ getHwStage(CC)[".scratch_memory_size"] = MsgPackDoc.getNode(Val);
+}
+
+// Convert a register number to name, for display by toString().
+// Returns nullptr if none.
+static const char *getRegisterName(unsigned RegNum) {
+ // Table of registers.
+ static const struct RegInfo {
+ unsigned Num;
+ const char *Name;
+ } RegInfoTable[] = {
+ // Registers that code generation sets/modifies metadata for.
+ {PALMD::R_2C4A_SPI_SHADER_PGM_RSRC1_VS, "SPI_SHADER_PGM_RSRC1_VS"},
+ {PALMD::R_2C4A_SPI_SHADER_PGM_RSRC1_VS + 1, "SPI_SHADER_PGM_RSRC2_VS"},
+ {PALMD::R_2D4A_SPI_SHADER_PGM_RSRC1_LS, "SPI_SHADER_PGM_RSRC1_LS"},
+ {PALMD::R_2D4A_SPI_SHADER_PGM_RSRC1_LS + 1, "SPI_SHADER_PGM_RSRC2_LS"},
+ {PALMD::R_2D0A_SPI_SHADER_PGM_RSRC1_HS, "SPI_SHADER_PGM_RSRC1_HS"},
+ {PALMD::R_2D0A_SPI_SHADER_PGM_RSRC1_HS + 1, "SPI_SHADER_PGM_RSRC2_HS"},
+ {PALMD::R_2CCA_SPI_SHADER_PGM_RSRC1_ES, "SPI_SHADER_PGM_RSRC1_ES"},
+ {PALMD::R_2CCA_SPI_SHADER_PGM_RSRC1_ES + 1, "SPI_SHADER_PGM_RSRC2_ES"},
+ {PALMD::R_2C8A_SPI_SHADER_PGM_RSRC1_GS, "SPI_SHADER_PGM_RSRC1_GS"},
+ {PALMD::R_2C8A_SPI_SHADER_PGM_RSRC1_GS + 1, "SPI_SHADER_PGM_RSRC2_GS"},
+ {PALMD::R_2E12_COMPUTE_PGM_RSRC1, "COMPUTE_PGM_RSRC1"},
+ {PALMD::R_2E12_COMPUTE_PGM_RSRC1 + 1, "COMPUTE_PGM_RSRC2"},
+ {PALMD::R_2C0A_SPI_SHADER_PGM_RSRC1_PS, "SPI_SHADER_PGM_RSRC1_PS"},
+ {PALMD::R_2C0A_SPI_SHADER_PGM_RSRC1_PS + 1, "SPI_SHADER_PGM_RSRC2_PS"},
+ {PALMD::R_A1B3_SPI_PS_INPUT_ENA, "SPI_PS_INPUT_ENA"},
+ {PALMD::R_A1B4_SPI_PS_INPUT_ADDR, "SPI_PS_INPUT_ADDR"},
+
+ // Registers not known to code generation.
+ {0x2c07, "SPI_SHADER_PGM_RSRC3_PS"},
+ {0x2c46, "SPI_SHADER_PGM_RSRC3_VS"},
+ {0x2c87, "SPI_SHADER_PGM_RSRC3_GS"},
+ {0x2cc7, "SPI_SHADER_PGM_RSRC3_ES"},
+ {0x2d07, "SPI_SHADER_PGM_RSRC3_HS"},
+ {0x2d47, "SPI_SHADER_PGM_RSRC3_LS"},
+
+ {0xa1c3, "SPI_SHADER_POS_FORMAT"},
+ {0xa1b1, "SPI_VS_OUT_CONFIG"},
+ {0xa207, "PA_CL_VS_OUT_CNTL"},
+ {0xa204, "PA_CL_CLIP_CNTL"},
+ {0xa206, "PA_CL_VTE_CNTL"},
+ {0xa2f9, "PA_SU_VTX_CNTL"},
+ {0xa293, "PA_SC_MODE_CNTL_1"},
+ {0xa2a1, "VGT_PRIMITIVEID_EN"},
+ {0x2c81, "SPI_SHADER_PGM_RSRC4_GS"},
+ {0x2e18, "COMPUTE_TMPRING_SIZE"},
+ {0xa1b5, "SPI_INTERP_CONTROL_0"},
+ {0xa1ba, "SPI_TMPRING_SIZE"},
+ {0xa1c4, "SPI_SHADER_Z_FORMAT"},
+ {0xa1c5, "SPI_SHADER_COL_FORMAT"},
+ {0xa203, "DB_SHADER_CONTROL"},
+ {0xa08f, "CB_SHADER_MASK"},
+ {0xa1b6, "SPI_PS_IN_CONTROL"},
+ {0xa191, "SPI_PS_INPUT_CNTL_0"},
+ {0xa192, "SPI_PS_INPUT_CNTL_1"},
+ {0xa193, "SPI_PS_INPUT_CNTL_2"},
+ {0xa194, "SPI_PS_INPUT_CNTL_3"},
+ {0xa195, "SPI_PS_INPUT_CNTL_4"},
+ {0xa196, "SPI_PS_INPUT_CNTL_5"},
+ {0xa197, "SPI_PS_INPUT_CNTL_6"},
+ {0xa198, "SPI_PS_INPUT_CNTL_7"},
+ {0xa199, "SPI_PS_INPUT_CNTL_8"},
+ {0xa19a, "SPI_PS_INPUT_CNTL_9"},
+ {0xa19b, "SPI_PS_INPUT_CNTL_10"},
+ {0xa19c, "SPI_PS_INPUT_CNTL_11"},
+ {0xa19d, "SPI_PS_INPUT_CNTL_12"},
+ {0xa19e, "SPI_PS_INPUT_CNTL_13"},
+ {0xa19f, "SPI_PS_INPUT_CNTL_14"},
+ {0xa1a0, "SPI_PS_INPUT_CNTL_15"},
+ {0xa1a1, "SPI_PS_INPUT_CNTL_16"},
+ {0xa1a2, "SPI_PS_INPUT_CNTL_17"},
+ {0xa1a3, "SPI_PS_INPUT_CNTL_18"},
+ {0xa1a4, "SPI_PS_INPUT_CNTL_19"},
+ {0xa1a5, "SPI_PS_INPUT_CNTL_20"},
+ {0xa1a6, "SPI_PS_INPUT_CNTL_21"},
+ {0xa1a7, "SPI_PS_INPUT_CNTL_22"},
+ {0xa1a8, "SPI_PS_INPUT_CNTL_23"},
+ {0xa1a9, "SPI_PS_INPUT_CNTL_24"},
+ {0xa1aa, "SPI_PS_INPUT_CNTL_25"},
+ {0xa1ab, "SPI_PS_INPUT_CNTL_26"},
+ {0xa1ac, "SPI_PS_INPUT_CNTL_27"},
+ {0xa1ad, "SPI_PS_INPUT_CNTL_28"},
+ {0xa1ae, "SPI_PS_INPUT_CNTL_29"},
+ {0xa1af, "SPI_PS_INPUT_CNTL_30"},
+ {0xa1b0, "SPI_PS_INPUT_CNTL_31"},
+
+ {0xa2ce, "VGT_GS_MAX_VERT_OUT"},
+ {0xa2ab, "VGT_ESGS_RING_ITEMSIZE"},
+ {0xa290, "VGT_GS_MODE"},
+ {0xa291, "VGT_GS_ONCHIP_CNTL"},
+ {0xa2d7, "VGT_GS_VERT_ITEMSIZE"},
+ {0xa2d8, "VGT_GS_VERT_ITEMSIZE_1"},
+ {0xa2d9, "VGT_GS_VERT_ITEMSIZE_2"},
+ {0xa2da, "VGT_GS_VERT_ITEMSIZE_3"},
+ {0xa298, "VGT_GSVS_RING_OFFSET_1"},
+ {0xa299, "VGT_GSVS_RING_OFFSET_2"},
+ {0xa29a, "VGT_GSVS_RING_OFFSET_3"},
+
+ {0xa2e4, "VGT_GS_INSTANCE_CNT"},
+ {0xa297, "VGT_GS_PER_VS"},
+ {0xa29b, "VGT_GS_OUT_PRIM_TYPE"},
+ {0xa2ac, "VGT_GSVS_RING_ITEMSIZE"},
+
+ {0xa2d5, "VGT_SHADER_STAGES_EN"},
+ {0xa2ad, "VGT_REUSE_OFF"},
+ {0xa1b8, "SPI_BARYC_CNTL"},
+
+ {0x2c4c, "SPI_SHADER_USER_DATA_VS_0"},
+ {0x2c4d, "SPI_SHADER_USER_DATA_VS_1"},
+ {0x2c4e, "SPI_SHADER_USER_DATA_VS_2"},
+ {0x2c4f, "SPI_SHADER_USER_DATA_VS_3"},
+ {0x2c50, "SPI_SHADER_USER_DATA_VS_4"},
+ {0x2c51, "SPI_SHADER_USER_DATA_VS_5"},
+ {0x2c52, "SPI_SHADER_USER_DATA_VS_6"},
+ {0x2c53, "SPI_SHADER_USER_DATA_VS_7"},
+ {0x2c54, "SPI_SHADER_USER_DATA_VS_8"},
+ {0x2c55, "SPI_SHADER_USER_DATA_VS_9"},
+ {0x2c56, "SPI_SHADER_USER_DATA_VS_10"},
+ {0x2c57, "SPI_SHADER_USER_DATA_VS_11"},
+ {0x2c58, "SPI_SHADER_USER_DATA_VS_12"},
+ {0x2c59, "SPI_SHADER_USER_DATA_VS_13"},
+ {0x2c5a, "SPI_SHADER_USER_DATA_VS_14"},
+ {0x2c5b, "SPI_SHADER_USER_DATA_VS_15"},
+ {0x2c5c, "SPI_SHADER_USER_DATA_VS_16"},
+ {0x2c5d, "SPI_SHADER_USER_DATA_VS_17"},
+ {0x2c5e, "SPI_SHADER_USER_DATA_VS_18"},
+ {0x2c5f, "SPI_SHADER_USER_DATA_VS_19"},
+ {0x2c60, "SPI_SHADER_USER_DATA_VS_20"},
+ {0x2c61, "SPI_SHADER_USER_DATA_VS_21"},
+ {0x2c62, "SPI_SHADER_USER_DATA_VS_22"},
+ {0x2c63, "SPI_SHADER_USER_DATA_VS_23"},
+ {0x2c64, "SPI_SHADER_USER_DATA_VS_24"},
+ {0x2c65, "SPI_SHADER_USER_DATA_VS_25"},
+ {0x2c66, "SPI_SHADER_USER_DATA_VS_26"},
+ {0x2c67, "SPI_SHADER_USER_DATA_VS_27"},
+ {0x2c68, "SPI_SHADER_USER_DATA_VS_28"},
+ {0x2c69, "SPI_SHADER_USER_DATA_VS_29"},
+ {0x2c6a, "SPI_SHADER_USER_DATA_VS_30"},
+ {0x2c6b, "SPI_SHADER_USER_DATA_VS_31"},
+
+ {0x2ccc, "SPI_SHADER_USER_DATA_ES_0"},
+ {0x2ccd, "SPI_SHADER_USER_DATA_ES_1"},
+ {0x2cce, "SPI_SHADER_USER_DATA_ES_2"},
+ {0x2ccf, "SPI_SHADER_USER_DATA_ES_3"},
+ {0x2cd0, "SPI_SHADER_USER_DATA_ES_4"},
+ {0x2cd1, "SPI_SHADER_USER_DATA_ES_5"},
+ {0x2cd2, "SPI_SHADER_USER_DATA_ES_6"},
+ {0x2cd3, "SPI_SHADER_USER_DATA_ES_7"},
+ {0x2cd4, "SPI_SHADER_USER_DATA_ES_8"},
+ {0x2cd5, "SPI_SHADER_USER_DATA_ES_9"},
+ {0x2cd6, "SPI_SHADER_USER_DATA_ES_10"},
+ {0x2cd7, "SPI_SHADER_USER_DATA_ES_11"},
+ {0x2cd8, "SPI_SHADER_USER_DATA_ES_12"},
+ {0x2cd9, "SPI_SHADER_USER_DATA_ES_13"},
+ {0x2cda, "SPI_SHADER_USER_DATA_ES_14"},
+ {0x2cdb, "SPI_SHADER_USER_DATA_ES_15"},
+ {0x2cdc, "SPI_SHADER_USER_DATA_ES_16"},
+ {0x2cdd, "SPI_SHADER_USER_DATA_ES_17"},
+ {0x2cde, "SPI_SHADER_USER_DATA_ES_18"},
+ {0x2cdf, "SPI_SHADER_USER_DATA_ES_19"},
+ {0x2ce0, "SPI_SHADER_USER_DATA_ES_20"},
+ {0x2ce1, "SPI_SHADER_USER_DATA_ES_21"},
+ {0x2ce2, "SPI_SHADER_USER_DATA_ES_22"},
+ {0x2ce3, "SPI_SHADER_USER_DATA_ES_23"},
+ {0x2ce4, "SPI_SHADER_USER_DATA_ES_24"},
+ {0x2ce5, "SPI_SHADER_USER_DATA_ES_25"},
+ {0x2ce6, "SPI_SHADER_USER_DATA_ES_26"},
+ {0x2ce7, "SPI_SHADER_USER_DATA_ES_27"},
+ {0x2ce8, "SPI_SHADER_USER_DATA_ES_28"},
+ {0x2ce9, "SPI_SHADER_USER_DATA_ES_29"},
+ {0x2cea, "SPI_SHADER_USER_DATA_ES_30"},
+ {0x2ceb, "SPI_SHADER_USER_DATA_ES_31"},
+
+ {0x2c0c, "SPI_SHADER_USER_DATA_PS_0"},
+ {0x2c0d, "SPI_SHADER_USER_DATA_PS_1"},
+ {0x2c0e, "SPI_SHADER_USER_DATA_PS_2"},
+ {0x2c0f, "SPI_SHADER_USER_DATA_PS_3"},
+ {0x2c10, "SPI_SHADER_USER_DATA_PS_4"},
+ {0x2c11, "SPI_SHADER_USER_DATA_PS_5"},
+ {0x2c12, "SPI_SHADER_USER_DATA_PS_6"},
+ {0x2c13, "SPI_SHADER_USER_DATA_PS_7"},
+ {0x2c14, "SPI_SHADER_USER_DATA_PS_8"},
+ {0x2c15, "SPI_SHADER_USER_DATA_PS_9"},
+ {0x2c16, "SPI_SHADER_USER_DATA_PS_10"},
+ {0x2c17, "SPI_SHADER_USER_DATA_PS_11"},
+ {0x2c18, "SPI_SHADER_USER_DATA_PS_12"},
+ {0x2c19, "SPI_SHADER_USER_DATA_PS_13"},
+ {0x2c1a, "SPI_SHADER_USER_DATA_PS_14"},
+ {0x2c1b, "SPI_SHADER_USER_DATA_PS_15"},
+ {0x2c1c, "SPI_SHADER_USER_DATA_PS_16"},
+ {0x2c1d, "SPI_SHADER_USER_DATA_PS_17"},
+ {0x2c1e, "SPI_SHADER_USER_DATA_PS_18"},
+ {0x2c1f, "SPI_SHADER_USER_DATA_PS_19"},
+ {0x2c20, "SPI_SHADER_USER_DATA_PS_20"},
+ {0x2c21, "SPI_SHADER_USER_DATA_PS_21"},
+ {0x2c22, "SPI_SHADER_USER_DATA_PS_22"},
+ {0x2c23, "SPI_SHADER_USER_DATA_PS_23"},
+ {0x2c24, "SPI_SHADER_USER_DATA_PS_24"},
+ {0x2c25, "SPI_SHADER_USER_DATA_PS_25"},
+ {0x2c26, "SPI_SHADER_USER_DATA_PS_26"},
+ {0x2c27, "SPI_SHADER_USER_DATA_PS_27"},
+ {0x2c28, "SPI_SHADER_USER_DATA_PS_28"},
+ {0x2c29, "SPI_SHADER_USER_DATA_PS_29"},
+ {0x2c2a, "SPI_SHADER_USER_DATA_PS_30"},
+ {0x2c2b, "SPI_SHADER_USER_DATA_PS_31"},
+
+ {0x2e40, "COMPUTE_USER_DATA_0"},
+ {0x2e41, "COMPUTE_USER_DATA_1"},
+ {0x2e42, "COMPUTE_USER_DATA_2"},
+ {0x2e43, "COMPUTE_USER_DATA_3"},
+ {0x2e44, "COMPUTE_USER_DATA_4"},
+ {0x2e45, "COMPUTE_USER_DATA_5"},
+ {0x2e46, "COMPUTE_USER_DATA_6"},
+ {0x2e47, "COMPUTE_USER_DATA_7"},
+ {0x2e48, "COMPUTE_USER_DATA_8"},
+ {0x2e49, "COMPUTE_USER_DATA_9"},
+ {0x2e4a, "COMPUTE_USER_DATA_10"},
+ {0x2e4b, "COMPUTE_USER_DATA_11"},
+ {0x2e4c, "COMPUTE_USER_DATA_12"},
+ {0x2e4d, "COMPUTE_USER_DATA_13"},
+ {0x2e4e, "COMPUTE_USER_DATA_14"},
+ {0x2e4f, "COMPUTE_USER_DATA_15"},
+
+ {0x2e07, "COMPUTE_NUM_THREAD_X"},
+ {0x2e08, "COMPUTE_NUM_THREAD_Y"},
+ {0x2e09, "COMPUTE_NUM_THREAD_Z"},
+ {0xa2db, "VGT_TF_PARAM"},
+ {0xa2d6, "VGT_LS_HS_CONFIG"},
+ {0xa287, "VGT_HOS_MIN_TESS_LEVEL"},
+ {0xa286, "VGT_HOS_MAX_TESS_LEVEL"},
+ {0xa2f8, "PA_SC_AA_CONFIG"},
+ {0xa310, "PA_SC_SHADER_CONTROL"},
+ {0xa313, "PA_SC_CONSERVATIVE_RASTERIZATION_CNTL"},
+
+ {0x2d0c, "SPI_SHADER_USER_DATA_LS_0"},
+ {0x2d0d, "SPI_SHADER_USER_DATA_LS_1"},
+ {0x2d0e, "SPI_SHADER_USER_DATA_LS_2"},
+ {0x2d0f, "SPI_SHADER_USER_DATA_LS_3"},
+ {0x2d10, "SPI_SHADER_USER_DATA_LS_4"},
+ {0x2d11, "SPI_SHADER_USER_DATA_LS_5"},
+ {0x2d12, "SPI_SHADER_USER_DATA_LS_6"},
+ {0x2d13, "SPI_SHADER_USER_DATA_LS_7"},
+ {0x2d14, "SPI_SHADER_USER_DATA_LS_8"},
+ {0x2d15, "SPI_SHADER_USER_DATA_LS_9"},
+ {0x2d16, "SPI_SHADER_USER_DATA_LS_10"},
+ {0x2d17, "SPI_SHADER_USER_DATA_LS_11"},
+ {0x2d18, "SPI_SHADER_USER_DATA_LS_12"},
+ {0x2d19, "SPI_SHADER_USER_DATA_LS_13"},
+ {0x2d1a, "SPI_SHADER_USER_DATA_LS_14"},
+ {0x2d1b, "SPI_SHADER_USER_DATA_LS_15"},
+ {0x2d1c, "SPI_SHADER_USER_DATA_LS_16"},
+ {0x2d1d, "SPI_SHADER_USER_DATA_LS_17"},
+ {0x2d1e, "SPI_SHADER_USER_DATA_LS_18"},
+ {0x2d1f, "SPI_SHADER_USER_DATA_LS_19"},
+ {0x2d20, "SPI_SHADER_USER_DATA_LS_20"},
+ {0x2d21, "SPI_SHADER_USER_DATA_LS_21"},
+ {0x2d22, "SPI_SHADER_USER_DATA_LS_22"},
+ {0x2d23, "SPI_SHADER_USER_DATA_LS_23"},
+ {0x2d24, "SPI_SHADER_USER_DATA_LS_24"},
+ {0x2d25, "SPI_SHADER_USER_DATA_LS_25"},
+ {0x2d26, "SPI_SHADER_USER_DATA_LS_26"},
+ {0x2d27, "SPI_SHADER_USER_DATA_LS_27"},
+ {0x2d28, "SPI_SHADER_USER_DATA_LS_28"},
+ {0x2d29, "SPI_SHADER_USER_DATA_LS_29"},
+ {0x2d2a, "SPI_SHADER_USER_DATA_LS_30"},
+ {0x2d2b, "SPI_SHADER_USER_DATA_LS_31"},
+
+ {0xa2aa, "IA_MULTI_VGT_PARAM"},
+ {0xa2a5, "VGT_GS_MAX_PRIMS_PER_SUBGROUP"},
+ {0xa2e6, "VGT_STRMOUT_BUFFER_CONFIG"},
+ {0xa2e5, "VGT_STRMOUT_CONFIG"},
+ {0xa2b5, "VGT_STRMOUT_VTX_STRIDE_0"},
+ {0xa2b9, "VGT_STRMOUT_VTX_STRIDE_1"},
+ {0xa2bd, "VGT_STRMOUT_VTX_STRIDE_2"},
+ {0xa2c1, "VGT_STRMOUT_VTX_STRIDE_3"},
+ {0xa316, "VGT_VERTEX_REUSE_BLOCK_CNTL"},
+
+ {0, nullptr}};
+ auto Entry = RegInfoTable;
+ for (; Entry->Num && Entry->Num != RegNum; ++Entry)
+ ;
+ return Entry->Name;
}
// Convert the accumulated PAL metadata into an asm directive.
void AMDGPUPALMetadata::toString(std::string &String) {
String.clear();
- if (Registers.empty())
- return;
raw_string_ostream Stream(String);
- Stream << '\t' << AMDGPU::PALMD::AssemblerDirective << ' ';
- for (auto I = Registers.begin(), E = Registers.end(); I != E; ++I) {
- if (I != Registers.begin())
- Stream << ',';
- Stream << "0x" << Twine::utohexstr(I->first) << ",0x"
- << Twine::utohexstr(I->second);
+ if (isLegacy()) {
+ if (MsgPackDoc.getRoot().getKind() == msgpack::Type::Nil)
+ return;
+ // Old linear reg=val format.
+ Stream << '\t' << AMDGPU::PALMD::AssemblerDirective << ' ';
+ auto Regs = getRegisters();
+ for (auto I = Regs.begin(), E = Regs.end(); I != E; ++I) {
+ if (I != Regs.begin())
+ Stream << ',';
+ unsigned Reg = I->first.getUInt();
+ unsigned Val = I->second.getUInt();
+ Stream << "0x" << Twine::utohexstr(Reg) << ",0x" << Twine::utohexstr(Val);
+ }
+ Stream << '\n';
+ return;
}
- Stream << '\n';
+
+ // New msgpack-based format -- output as YAML (with unsigned numbers in hex),
+ // but first change the registers map to use names.
+ MsgPackDoc.setHexMode();
+ auto &RegsObj = refRegisters();
+ auto OrigRegs = RegsObj.getMap();
+ RegsObj = MsgPackDoc.getMapNode();
+ for (auto I : OrigRegs) {
+ auto Key = I.first;
+ if (const char *RegName = getRegisterName(Key.getUInt())) {
+ std::string KeyName = Key.toString();
+ KeyName += " (";
+ KeyName += RegName;
+ KeyName += ')';
+ Key = MsgPackDoc.getNode(KeyName, /*Copy=*/true);
+ }
+ RegsObj.getMap()[Key] = I.second;
+ }
+
+ // Output as YAML.
+ Stream << '\t' << AMDGPU::PALMD::AssemblerDirectiveBegin << '\n';
+ MsgPackDoc.toYAML(Stream);
+ Stream << '\t' << AMDGPU::PALMD::AssemblerDirectiveEnd << '\n';
+
+ // Restore original registers map.
+ RegsObj = OrigRegs;
}
// Convert the accumulated PAL metadata into a binary blob for writing as
// a .note record of the specified AMD type.
void AMDGPUPALMetadata::toBlob(unsigned Type, std::string &Blob) {
+ if (Type == ELF::NT_AMD_AMDGPU_PAL_METADATA)
+ toLegacyBlob(Blob);
+ else
+ toMsgPackBlob(Blob);
+}
+
+void AMDGPUPALMetadata::toLegacyBlob(std::string &Blob) {
Blob.clear();
- if (Type != ELF::NT_AMD_AMDGPU_PAL_METADATA)
- return;
- if (Registers.empty())
+ auto Registers = getRegisters();
+ if (Registers.getMap().empty())
return;
raw_string_ostream OS(Blob);
support::endian::Writer EW(OS, support::endianness::little);
- for (auto I : Registers) {
- EW.write(uint32_t(I.first));
- EW.write(uint32_t(I.second));
+ for (auto I : Registers.getMap()) {
+ EW.write(uint32_t(I.first.getUInt()));
+ EW.write(uint32_t(I.second.getUInt()));
}
}
+void AMDGPUPALMetadata::toMsgPackBlob(std::string &Blob) {
+ Blob.clear();
+ MsgPackDoc.writeToBlob(Blob);
+}
+
+// Set PAL metadata from YAML text. Returns false if failed.
+bool AMDGPUPALMetadata::setFromString(StringRef S) {
+ BlobType = ELF::NT_AMDGPU_METADATA;
+ if (!MsgPackDoc.fromYAML(S))
+ return false;
+
+ // In the registers map, some keys may be of the form "0xa191
+ // (SPI_PS_INPUT_CNTL_0)", in which case the YAML input code made it a
+ // string. We need to turn it into a number.
+ auto &RegsObj = refRegisters();
+ auto OrigRegs = RegsObj;
+ RegsObj = MsgPackDoc.getMapNode();
+ Registers = RegsObj.getMap();
+ bool Ok = true;
+ for (auto I : OrigRegs.getMap()) {
+ auto Key = I.first;
+ if (Key.getKind() == msgpack::Type::String) {
+ StringRef S = Key.getString();
+ uint64_t Val;
+ if (S.consumeInteger(0, Val)) {
+ Ok = false;
+ errs() << "Unrecognized PAL metadata register key '" << S << "'\n";
+ continue;
+ }
+ Key = MsgPackDoc.getNode(uint64_t(Val));
+ }
+ Registers.getMap()[Key] = I.second;
+ }
+ return Ok;
+}
+
+// Reference (create if necessary) the node for the registers map.
+msgpack::DocNode &AMDGPUPALMetadata::refRegisters() {
+ auto &N =
+ MsgPackDoc.getRoot()
+ .getMap(/*Convert=*/true)[MsgPackDoc.getNode("amdpal.pipelines")]
+ .getArray(/*Convert=*/true)[0]
+ .getMap(/*Convert=*/true)[MsgPackDoc.getNode(".registers")];
+ N.getMap(/*Convert=*/true);
+ return N;
+}
+
+// Get (create if necessary) the registers map.
+msgpack::MapDocNode AMDGPUPALMetadata::getRegisters() {
+ if (Registers.isEmpty())
+ Registers = refRegisters();
+ return Registers.getMap();
+}
+
+// Return the PAL metadata hardware shader stage name.
+static const char *getStageName(CallingConv::ID CC) {
+ switch (CC) {
+ case CallingConv::AMDGPU_PS:
+ return ".ps";
+ case CallingConv::AMDGPU_VS:
+ return ".vs";
+ case CallingConv::AMDGPU_GS:
+ return ".gs";
+ case CallingConv::AMDGPU_ES:
+ return ".es";
+ case CallingConv::AMDGPU_HS:
+ return ".hs";
+ case CallingConv::AMDGPU_LS:
+ return ".ls";
+ default:
+ return ".cs";
+ }
+}
+
+// Get (create if necessary) the .hardware_stages entry for the given calling
+// convention.
+msgpack::MapDocNode AMDGPUPALMetadata::getHwStage(unsigned CC) {
+ if (HwStages.isEmpty())
+ HwStages = MsgPackDoc.getRoot()
+ .getMap(/*Convert=*/true)["amdpal.pipelines"]
+ .getArray(/*Convert=*/true)[0]
+ .getMap(/*Convert=*/true)[".hardware_stages"]
+ .getMap(/*Convert=*/true);
+ return HwStages.getMap()[getStageName(CC)].getMap(/*Convert=*/true);
+}
+
+// Get .note record vendor name of metadata blob to be emitted.
+const char *AMDGPUPALMetadata::getVendor() const {
+ return isLegacy() ? ElfNote::NoteNameV2 : ElfNote::NoteNameV3;
+}
+
+// Get .note record type of metadata blob to be emitted:
+// ELF::NT_AMD_AMDGPU_PAL_METADATA (legacy key=val format), or
+// ELF::NT_AMDGPU_METADATA (MsgPack format).
+unsigned AMDGPUPALMetadata::getType() const {
+ return BlobType ? BlobType : unsigned(ELF::NT_AMDGPU_METADATA);
+}
+
+// Return whether the blob type is legacy PAL metadata.
+bool AMDGPUPALMetadata::isLegacy() const {
+ return BlobType == ELF::NT_AMD_AMDGPU_PAL_METADATA;
+}
+
+// Set legacy PAL metadata format.
+void AMDGPUPALMetadata::setLegacy() {
+ BlobType = ELF::NT_AMD_AMDGPU_PAL_METADATA;
+}
+
diff --git a/llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.h b/llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.h
index 36a3ec4..e676c28 100644
--- a/llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.h
+++ b/llvm/lib/Target/AMDGPU/Utils/AMDGPUPALMetadata.h
@@ -15,6 +15,7 @@
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUPALMETADATA_H
#include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/MsgPackDocument.h"
#include <map>
namespace llvm {
@@ -25,7 +26,10 @@
class Module;
class AMDGPUPALMetadata {
- std::map<uint32_t, uint32_t> Registers;
+ unsigned BlobType = 0;
+ msgpack::Document MsgPackDoc;
+ msgpack::DocNode Registers;
+ msgpack::DocNode HwStages;
public:
// Read the amdgpu.pal.metadata supplied by the frontend, ready for
@@ -60,6 +64,9 @@
// In fact this ORs the value into any previous setting of the register.
void setRegister(unsigned Reg, unsigned Val);
+ // Set the entry point name for one shader.
+ void setEntryPoint(unsigned CC, StringRef Name);
+
// Set the number of used vgprs in the metadata. This is an optional advisory
// record for logging etc; wave dispatch actually uses the rsrc1 register for
// the shader stage to determine the number of vgprs to allocate.
@@ -73,13 +80,50 @@
// Set the scratch size in the metadata.
void setScratchSize(unsigned CC, unsigned Val);
- // Emit the accumulated PAL metadata as an asm directive.
+ // Emit the accumulated PAL metadata as asm directives.
// This is called from AMDGPUTargetAsmStreamer::Finish().
void toString(std::string &S);
+ // Set PAL metadata from YAML text.
+ bool setFromString(StringRef S);
+
+ // Get .note record vendor name of metadata blob to be emitted.
+ const char *getVendor() const;
+
+ // Get .note record type of metadata blob to be emitted:
+ // ELF::NT_AMD_AMDGPU_PAL_METADATA (legacy key=val format), or
+ // ELF::NT_AMD_AMDGPU_PAL_METADATA_MSGPACK or ELF::NT_AMDGPU_METADATA
+ // (MsgPack format).
+ unsigned getType() const;
+
// Emit the accumulated PAL metadata as a binary blob.
// This is called from AMDGPUTargetELFStreamer::Finish().
void toBlob(unsigned Type, std::string &S);
+
+ // Get the msgpack::Document for the PAL metadata.
+ msgpack::Document *getMsgPackDoc() { return &MsgPackDoc; }
+
+ // Set legacy PAL metadata format.
+ void setLegacy();
+
+private:
+ // Return whether the blob type is legacy PAL metadata.
+ bool isLegacy() const;
+
+ // Reference (create if necessary) the node for the registers map.
+ msgpack::DocNode &refRegisters();
+
+ // Get (create if necessary) the registers map.
+ msgpack::MapDocNode getRegisters();
+
+ // Get (create if necessary) the .hardware_stages entry for the given calling
+ // convention.
+ msgpack::MapDocNode getHwStage(unsigned CC);
+
+ bool setFromLegacyBlob(StringRef Blob);
+ bool setFromMsgPackBlob(StringRef Blob);
+ void toLegacyBlob(std::string &Blob);
+ void toMsgPackBlob(std::string &Blob);
};
} // end namespace llvm