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authorFrancisco Jerez <[email protected]>2016-05-17 16:02:46 +0200
committerFrancisco Jerez <[email protected]>2016-07-11 20:22:40 -0700
commit92247cef3f5d88f17986de8677df5ed4931b6769 (patch)
tree39761e3234ca337d81de7c1d700eb7c35f9daf32 /src/gallium
parent4614397ac2689b0424cf047577316b644c407f6e (diff)
clover/llvm: Tidy debug handling.
Most significant change is debugging flags are now a scoped enum and all debugging helpers live in the debug namespace. Reviewed-by: Serge Martin <[email protected]> Tested-by: Jan Vesely <[email protected]>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/state_trackers/clover/llvm/invocation.cpp81
1 files changed, 41 insertions, 40 deletions
diff --git a/src/gallium/state_trackers/clover/llvm/invocation.cpp b/src/gallium/state_trackers/clover/llvm/invocation.cpp
index fc5859d6c9b..16229e5caf7 100644
--- a/src/gallium/state_trackers/clover/llvm/invocation.cpp
+++ b/src/gallium/state_trackers/clover/llvm/invocation.cpp
@@ -94,16 +94,6 @@ namespace {
throw e;
}
- void debug_log(const std::string &msg, const std::string &suffix) {
- const char *dbg_file = debug_get_option("CLOVER_DEBUG_FILE", "stderr");
- if (!strcmp("stderr", dbg_file)) {
- std::cerr << msg;
- } else {
- std::ofstream file(dbg_file + suffix, std::ios::app);
- file << msg;
- }
- }
-
inline std::vector<std::string>
tokenize(const std::string &s) {
std::vector<std::string> ss;
@@ -125,6 +115,39 @@ namespace {
std::string triple;
};
+ namespace debug {
+ enum flag {
+ clc = 1 << 0,
+ llvm = 1 << 1,
+ native = 1 << 2
+ };
+
+ inline bool
+ has_flag(flag f) {
+ static const struct debug_named_value debug_options[] = {
+ { "clc", clc, "Dump the OpenCL C code for all kernels." },
+ { "llvm", llvm, "Dump the generated LLVM IR for all kernels." },
+ { "native", native, "Dump kernel assembly code for targets "
+ "specifying PIPE_SHADER_IR_NATIVE" },
+ DEBUG_NAMED_VALUE_END
+ };
+ static const unsigned flags =
+ debug_get_flags_option("CLOVER_DEBUG", debug_options, 0);
+
+ return flags & f;
+ }
+
+ inline void
+ log(const std::string &suffix, const std::string &s) {
+ const std::string path = debug_get_option("CLOVER_DEBUG_FILE",
+ "stderr");
+ if (path == "stderr")
+ std::cerr << s;
+ else
+ std::ofstream(path + suffix, std::ios::app) << s;
+ }
+ }
+
void
init_targets() {
static bool targets_initialized = false;
@@ -597,7 +620,7 @@ namespace {
}
std::vector<char>
- compile_native(const llvm::Module *mod, const target &t, bool dump_asm,
+ compile_native(const llvm::Module *mod, const target &t,
std::string &r_log) {
std::string log;
@@ -624,7 +647,7 @@ namespace {
fail(r_log, compile_error(),
"Could not create TargetMachine: " + t.triple);
- if (dump_asm) {
+ if (has_flag(debug::native)) {
LLVMSetTargetMachineAsmVerbosity(tm, true);
#if HAVE_LLVM >= 0x0308
LLVMModuleRef debug_mod = wrap(llvm::CloneModule(mod).release());
@@ -634,7 +657,7 @@ namespace {
emit_code(tm, debug_mod, LLVMAssemblyFile, &out_buffer, r_log);
buffer_size = LLVMGetBufferSize(out_buffer);
buffer_data = LLVMGetBufferStart(out_buffer);
- debug_log(std::string(buffer_data, buffer_size), ".asm");
+ debug::log(".asm", std::string(buffer_data, buffer_size));
LLVMSetTargetMachineAsmVerbosity(tm, false);
LLVMDisposeMemoryBuffer(out_buffer);
@@ -749,26 +772,6 @@ namespace {
return m;
}
-
-#define DBG_CLC (1 << 0)
-#define DBG_LLVM (1 << 1)
-#define DBG_ASM (1 << 2)
-
- unsigned
- get_debug_flags() {
- static const struct debug_named_value debug_options[] = {
- {"clc", DBG_CLC, "Dump the OpenCL C code for all kernels."},
- {"llvm", DBG_LLVM, "Dump the generated LLVM IR for all kernels."},
- {"asm", DBG_ASM, "Dump kernel assembly code for targets specifying "
- "PIPE_SHADER_IR_NATIVE"},
- DEBUG_NAMED_VALUE_END // must be last
- };
- static const unsigned debug_flags =
- debug_get_flags_option("CLOVER_DEBUG", debug_options, 0);
-
- return debug_flags;
- }
-
} // End anonymous namespace
module
@@ -778,8 +781,8 @@ clover::compile_program_llvm(const std::string &source,
const std::string &target,
const std::string &opts,
std::string &r_log) {
- if (get_debug_flags() & DBG_CLC)
- debug_log("// Build options: " + opts + '\n' + source, ".cl");
+ if (has_flag(debug::clc))
+ debug::log(".cl", "// Build options: " + opts + '\n' + source);
auto ctx = create_context(r_log);
// The input file name must have the .cl extension in order for the
@@ -790,12 +793,12 @@ clover::compile_program_llvm(const std::string &source,
optimize(*mod, c->getCodeGenOpts().OptimizationLevel);
- if (get_debug_flags() & DBG_LLVM) {
+ if (has_flag(debug::llvm)) {
std::string log;
raw_string_ostream s_log(log);
mod->print(s_log, NULL);
s_log.flush();
- debug_log(log, ".ll");
+ debug::log(".ll", log);
}
module m;
@@ -811,9 +814,7 @@ clover::compile_program_llvm(const std::string &source,
m = build_module_llvm(&*mod, *c);
break;
case PIPE_SHADER_IR_NATIVE: {
- std::vector<char> code = compile_native(&*mod, target,
- get_debug_flags() & DBG_ASM,
- r_log);
+ std::vector<char> code = compile_native(&*mod, target, r_log);
m = build_module_native(code, &*mod, *c, r_log);
break;
}