gallivm: Register the JIT engine with oprofile on debug/profile builds.
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@ -75,6 +75,10 @@ enum LLVM_CodeGenOpt_Level {
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};
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extern void
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lp_register_oprofile_jit_event_listener(LLVMExecutionEngineRef EE);
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void
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lp_build_init(void)
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{
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@ -109,6 +113,10 @@ lp_build_init(void)
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LLVMDisposeMessage(error);
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assert(0);
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}
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#if defined(DEBUG) || defined(PROFILE)
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lp_register_oprofile_jit_event_listener(lp_build_engine);
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#endif
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}
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if (!lp_build_target)
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@ -34,7 +34,10 @@
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#define __STDC_CONSTANT_MACROS
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#endif
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#include "llvm-c/Core.h"
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#include <llvm-c/Core.h>
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#include <llvm-c/ExecutionEngine.h>
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#include <llvm/ExecutionEngine/ExecutionEngine.h>
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#include <llvm/ExecutionEngine/JITEventListener.h>
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#include "pipe/p_config.h"
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#include "util/u_debug.h"
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@ -98,3 +101,21 @@ lp_debug_dump_value(LLVMValueRef value)
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#endif
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/**
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* Register the engine with oprofile.
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*
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* This allows to see the LLVM IR function names in oprofile output.
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*
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* To actually work LLVM needs to be built with the --with-oprofile configure
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* option.
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*
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* Also a oprofile:oprofile user:group is necessary. Which is not created by
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* default on some distributions.
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*/
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extern "C" void
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lp_register_oprofile_jit_event_listener(LLVMExecutionEngineRef EE)
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{
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llvm::unwrap(EE)->RegisterJITEventListener(llvm::createOProfileJITEventListener());
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}
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