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radeon/llvm: Add subtarget feature: DumpCode

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With this feature enabled, the LLVM backend will dump the MachineIntrs
prior to emitting code.  The mesa env variable R600_DUMP_SHADERS will enable
this feature in the backend.
This commit is contained in:
Tom Stellard 2012-05-01 13:08:26 -04:00
parent 2d75a1e25e
commit ff10dbf35f
5 changed files with 9 additions and 6 deletions
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3
src/gallium/drivers/radeon/AMDGPUTargetMachine.h
View file

@ -52,9 +52,6 @@ public:
formatted_raw_ostream &Out,
CodeGenFileType FileType,
bool DisableVerify);
public:
void dumpCode() { mDump = true; }
bool shouldDumpCode() const { return mDump; }
};
} /* End namespace llvm */

5
src/gallium/drivers/radeon/AMDILBase.td
View file

@ -60,6 +60,11 @@ def FeatureDebug : SubtargetFeature<"debug",
"CapsOverride[AMDILDeviceInfo::Debug]",
"true",
"Debug mode is enabled, so disable hardware accelerated address spaces.">;
def FeatureDumpCode : SubtargetFeature <"DumpCode",
"mDumpCode",
"true",
"Dump MachineInstrs in the CodeEmitter">;
//===----------------------------------------------------------------------===//
// Register File, Calling Conv, Instruction Descriptions

2
src/gallium/drivers/radeon/AMDILSubtarget.h
View file

@ -42,6 +42,7 @@ namespace llvm {
uint32_t mVersion;
bool mIs64bit;
bool mIs32on64bit;
bool mDumpCode;
public:
AMDILSubtarget(llvm::StringRef TT, llvm::StringRef CPU, llvm::StringRef FS);
virtual ~AMDILSubtarget();
@ -67,6 +68,7 @@ namespace llvm {
ParseSubtargetFeatures(
llvm::StringRef CPU,
llvm::StringRef FS);
bool dumpCode() const { return mDumpCode; }
};

4
src/gallium/drivers/radeon/R600CodeEmitter.cpp
View file

@ -155,10 +155,8 @@ bool R600CodeEmitter::runOnMachineFunction(MachineFunction &MF) {
} else {
evergreenEncoding = true;
}
const AMDGPUTargetMachine *amdtm =
static_cast<const AMDGPUTargetMachine *>(&MF.getTarget());
if (amdtm->shouldDumpCode()) {
if (STM.dumpCode()) {
MF.dump();
}

1
src/gallium/drivers/radeon/radeon_llvm_emit.cpp
View file

@ -105,6 +105,7 @@ radeon_llvm_compile(LLVMModuleRef M, unsigned char ** bytes,
/* XXX: Use TargetMachine.Options in 3.0 */
if (dump) {
mod->dump();
FS += ",DumpCode";
}
PassManager PM;
PM.add(new TargetData(*AMDGPUTargetMachine.getTargetData()));