1 /**************************************************************************
3 * Copyright 2010 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
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11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
26 **************************************************************************/
29 #ifndef __STDC_LIMIT_MACROS
30 #define __STDC_LIMIT_MACROS
33 #ifndef __STDC_CONSTANT_MACROS
34 #define __STDC_CONSTANT_MACROS
37 #include <llvm-c/Core.h>
38 #include <llvm-c/ExecutionEngine.h>
39 #include <llvm/Target/TargetOptions.h>
40 #include <llvm/ExecutionEngine/ExecutionEngine.h>
41 #include <llvm/ExecutionEngine/JITEventListener.h>
42 #include <llvm/Support/CommandLine.h>
44 #include "pipe/p_config.h"
45 #include "util/u_debug.h"
48 #if (defined(PIPE_OS_WINDOWS) && !defined(PIPE_CC_MSVC)) || defined(PIPE_OS_EMBDDED)
50 #include "llvm/Support/raw_ostream.h"
52 class raw_debug_ostream
:
53 public llvm::raw_ostream
57 void write_impl(const char *Ptr
, size_t Size
);
58 uint64_t current_pos() { return pos
; }
59 uint64_t current_pos() const { return pos
; }
61 #if HAVE_LLVM >= 0x207
62 uint64_t preferred_buffer_size() { return 512; }
64 size_t preferred_buffer_size() { return 512; }
70 raw_debug_ostream::write_impl(const char *Ptr
, size_t Size
)
73 char *lastPtr
= (char *)&Ptr
[Size
];
76 _debug_printf("%*s", Size
, Ptr
);
84 * Same as LLVMDumpValue, but through our debugging channels.
87 lp_debug_dump_value(LLVMValueRef value
)
90 llvm::unwrap(value
)->print(os
);
99 lp_debug_dump_value(LLVMValueRef value
)
101 LLVMDumpValue(value
);
109 * Register the engine with oprofile.
111 * This allows to see the LLVM IR function names in oprofile output.
113 * To actually work LLVM needs to be built with the --with-oprofile configure
116 * Also a oprofile:oprofile user:group is necessary. Which is not created by
117 * default on some distributions.
120 lp_register_oprofile_jit_event_listener(LLVMExecutionEngineRef EE
)
122 llvm::unwrap(EE
)->RegisterJITEventListener(llvm::createOProfileJITEventListener());
127 lp_set_target_options(void)
130 #if HAVE_LLVM >= 0x0207
131 llvm::JITEmitDebugInfo
= true;
135 #if defined(DEBUG) || defined(PROFILE)
136 llvm::NoFramePointerElim
= true;
139 llvm::NoExcessFPPrecision
= false;
141 /* XXX: Investigate this */
143 llvm::UnsafeFPMath
= true;
148 * LLVM will generate MMX instructions for vectors <= 64 bits, leading to
149 * innefficient code, and in 32bit systems, to the corruption of the FPU
150 * stack given that it expects the user to generate the EMMS instructions.
153 * - http://llvm.org/bugs/show_bug.cgi?id=3287
154 * - http://l4.me.uk/post/2009/06/07/llvm-wrinkle-3-configuration-what-configuration/
156 * XXX: Unfortunately this is not working.
158 static boolean first
= FALSE
;
160 static const char* options
[] = {
164 llvm::cl::ParseCommandLineOptions(2, const_cast<char**>(options
));
172 lp_func_delete_body(LLVMValueRef FF
)
174 llvm::Function
*func
= llvm::unwrap
<llvm::Function
>(FF
);