* Authors: Tom Stellard <thomas.stellard@amd.com>
*
*/
+
#include "radeon_llvm_emit.h"
#include "radeon_elf_util.h"
+#include "c11/threads.h"
+#include "gallivm/lp_bld_misc.h"
+#include "util/u_debug.h"
#include "util/u_memory.h"
#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
#include <llvm-c/Target.h>
#include <llvm-c/TargetMachine.h>
#define FS_STRING_LEN 30
#define TRIPLE_STRING_LEN 7
+/**
+ * Shader types for the LLVM backend.
+ */
+enum radeon_llvm_shader_type {
+ RADEON_LLVM_SHADER_PS = 0,
+ RADEON_LLVM_SHADER_VS = 1,
+ RADEON_LLVM_SHADER_GS = 2,
+ RADEON_LLVM_SHADER_CS = 3,
+};
+
/**
* Set the shader type we want to compile
*
void radeon_llvm_shader_type(LLVMValueRef F, unsigned type)
{
char Str[2];
- sprintf(Str, "%1d", type);
+ enum radeon_llvm_shader_type llvm_type;
+
+ switch (type) {
+ case TGSI_PROCESSOR_VERTEX:
+ case TGSI_PROCESSOR_TESS_CTRL:
+ case TGSI_PROCESSOR_TESS_EVAL:
+ llvm_type = RADEON_LLVM_SHADER_VS;
+ break;
+ case TGSI_PROCESSOR_GEOMETRY:
+ llvm_type = RADEON_LLVM_SHADER_GS;
+ break;
+ case TGSI_PROCESSOR_FRAGMENT:
+ llvm_type = RADEON_LLVM_SHADER_PS;
+ break;
+ case TGSI_PROCESSOR_COMPUTE:
+ llvm_type = RADEON_LLVM_SHADER_CS;
+ break;
+ default:
+ assert(0);
+ }
- LLVMAddTargetDependentFunctionAttr(F, "ShaderType", Str);
+ sprintf(Str, "%1d", llvm_type);
- if (type != TGSI_PROCESSOR_COMPUTE) {
- LLVMAddTargetDependentFunctionAttr(F, "unsafe-fp-math", "true");
- }
+ LLVMAddTargetDependentFunctionAttr(F, "ShaderType", Str);
}
static void init_r600_target()
{
- static unsigned initialized = 0;
- if (!initialized) {
- LLVMInitializeR600TargetInfo();
- LLVMInitializeR600Target();
- LLVMInitializeR600TargetMC();
- LLVMInitializeR600AsmPrinter();
- initialized = 1;
- }
+ gallivm_init_llvm_targets();
+#if HAVE_LLVM < 0x0307
+ LLVMInitializeR600TargetInfo();
+ LLVMInitializeR600Target();
+ LLVMInitializeR600TargetMC();
+ LLVMInitializeR600AsmPrinter();
+#else
+ LLVMInitializeAMDGPUTargetInfo();
+ LLVMInitializeAMDGPUTarget();
+ LLVMInitializeAMDGPUTargetMC();
+ LLVMInitializeAMDGPUAsmPrinter();
+
+#endif
}
-static LLVMTargetRef get_r600_target()
+static once_flag init_r600_target_once_flag = ONCE_FLAG_INIT;
+
+LLVMTargetRef radeon_llvm_get_r600_target(const char *triple)
{
LLVMTargetRef target = NULL;
+ char *err_message = NULL;
- for (target = LLVMGetFirstTarget(); target;
- target = LLVMGetNextTarget(target)) {
- if (!strncmp(LLVMGetTargetName(target), "r600", 4)) {
- break;
- }
- }
+ call_once(&init_r600_target_once_flag, init_r600_target);
- if (!target) {
- fprintf(stderr, "Can't find target r600\n");
+ if (LLVMGetTargetFromTriple(triple, &target, &err_message)) {
+ fprintf(stderr, "Cannot find target for triple %s ", triple);
+ if (err_message) {
+ fprintf(stderr, "%s\n", err_message);
+ }
+ LLVMDisposeMessage(err_message);
return NULL;
}
return target;
}
-#if HAVE_LLVM >= 0x0305
+struct radeon_llvm_diagnostics {
+ struct pipe_debug_callback *debug;
+ unsigned retval;
+};
static void radeonDiagnosticHandler(LLVMDiagnosticInfoRef di, void *context)
{
- if (LLVMGetDiagInfoSeverity(di) == LLVMDSError) {
- unsigned int *diagnosticflag = (unsigned int *)context;
- char *diaginfo_message = LLVMGetDiagInfoDescription(di);
+ struct radeon_llvm_diagnostics *diag = (struct radeon_llvm_diagnostics *)context;
+ LLVMDiagnosticSeverity severity = LLVMGetDiagInfoSeverity(di);
+ char *description = LLVMGetDiagInfoDescription(di);
+ const char *severity_str = NULL;
+
+ switch (severity) {
+ case LLVMDSError:
+ severity_str = "error";
+ break;
+ case LLVMDSWarning:
+ severity_str = "warning";
+ break;
+ case LLVMDSRemark:
+ severity_str = "remark";
+ break;
+ case LLVMDSNote:
+ severity_str = "note";
+ break;
+ default:
+ severity_str = "unknown";
+ }
- *diagnosticflag = 1;
- fprintf(stderr,"LLVM triggered Diagnostic Handler: %s\n", diaginfo_message);
- LLVMDisposeMessage(diaginfo_message);
+ pipe_debug_message(diag->debug, SHADER_INFO,
+ "LLVM diagnostic (%s): %s", severity_str, description);
+
+ if (severity == LLVMDSError) {
+ diag->retval = 1;
+ fprintf(stderr,"LLVM triggered Diagnostic Handler: %s\n", description);
}
-}
-#endif
+ LLVMDisposeMessage(description);
+}
/**
* Compile an LLVM module to machine code.
* @returns 0 for success, 1 for failure
*/
unsigned radeon_llvm_compile(LLVMModuleRef M, struct radeon_shader_binary *binary,
- const char *gpu_family, unsigned dump)
+ const char *gpu_family,
+ LLVMTargetMachineRef tm,
+ struct pipe_debug_callback *debug)
{
-
- LLVMTargetRef target;
- LLVMTargetMachineRef tm;
+ struct radeon_llvm_diagnostics diag;
char cpu[CPU_STRING_LEN];
char fs[FS_STRING_LEN];
char *err;
+ bool dispose_tm = false;
LLVMContextRef llvm_ctx;
- unsigned rval = 0;
LLVMMemoryBufferRef out_buffer;
unsigned buffer_size;
const char *buffer_data;
char triple[TRIPLE_STRING_LEN];
LLVMBool mem_err;
- /* initialise */
- init_r600_target();
-
- target = get_r600_target();
- if (!target) {
- return 1;
- }
+ diag.debug = debug;
+ diag.retval = 0;
- strncpy(cpu, gpu_family, CPU_STRING_LEN);
- memset(fs, 0, sizeof(fs));
- if (dump) {
- LLVMDumpModule(M);
+ if (!tm) {
+ strncpy(triple, "r600--", TRIPLE_STRING_LEN);
+ LLVMTargetRef target = radeon_llvm_get_r600_target(triple);
+ if (!target) {
+ return 1;
+ }
+ strncpy(cpu, gpu_family, CPU_STRING_LEN);
+ memset(fs, 0, sizeof(fs));
strncpy(fs, "+DumpCode", FS_STRING_LEN);
+ tm = LLVMCreateTargetMachine(target, triple, cpu, fs,
+ LLVMCodeGenLevelDefault, LLVMRelocDefault,
+ LLVMCodeModelDefault);
+ dispose_tm = true;
}
- strncpy(triple, "r600--", TRIPLE_STRING_LEN);
/* Setup Diagnostic Handler*/
llvm_ctx = LLVMGetModuleContext(M);
-#if HAVE_LLVM >= 0x0305
- LLVMContextSetDiagnosticHandler(llvm_ctx, radeonDiagnosticHandler, &rval);
-#endif
- rval = 0;
+ LLVMContextSetDiagnosticHandler(llvm_ctx, radeonDiagnosticHandler, &diag);
/* Compile IR*/
- tm = LLVMCreateTargetMachine(target, triple, cpu, fs,
- LLVMCodeGenLevelDefault, LLVMRelocDefault,
- LLVMCodeModelDefault);
mem_err = LLVMTargetMachineEmitToMemoryBuffer(tm, M, LLVMObjectFile, &err,
&out_buffer);
/* Process Errors/Warnings */
if (mem_err) {
fprintf(stderr, "%s: %s", __FUNCTION__, err);
+ pipe_debug_message(debug, SHADER_INFO,
+ "LLVM emit error: %s", err);
FREE(err);
- LLVMDisposeTargetMachine(tm);
- return 1;
- }
-
- if (0 != rval) {
- fprintf(stderr, "%s: Processing Diag Flag\n", __FUNCTION__);
+ diag.retval = 1;
+ goto out;
}
/* Extract Shader Code*/
buffer_size = LLVMGetBufferSize(out_buffer);
buffer_data = LLVMGetBufferStart(out_buffer);
- radeon_elf_read(buffer_data, buffer_size, binary, dump);
+ radeon_elf_read(buffer_data, buffer_size, binary);
/* Clean up */
LLVMDisposeMemoryBuffer(out_buffer);
- LLVMDisposeTargetMachine(tm);
- return rval;
+
+out:
+ if (dispose_tm) {
+ LLVMDisposeTargetMachine(tm);
+ }
+ if (diag.retval != 0)
+ pipe_debug_message(debug, SHADER_INFO, "LLVM compile failed");
+ return diag.retval;
}
projects / mesa.git / blobdiff