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radeon/llvm: Use amdgcn triple for SI+ on LLVM >= 3.6

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This commit is contained in:
Tom Stellard
2014-12-23 10:26:23 -05:00
parent 761e36b4ca
commit a8ef880a1b
4 changed files with 27 additions and 16 deletions
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11
src/gallium/drivers/radeon/r600_pipe_common.c
View File

@@ -499,6 +499,12 @@ static int r600_get_compute_param(struct pipe_screen *screen,
switch (param) {
case PIPE_COMPUTE_CAP_IR_TARGET: {
const char *gpu;
const char *triple;
if (rscreen->family <= CHIP_ARUBA || HAVE_LLVM < 0x0306) {
triple = "r600--";
} else {
triple = "amdgcn--";
}
switch(rscreen->family) {
/* Clang < 3.6 is missing Hainan in its list of
* GPUs, so we need to use the name of a similar GPU.
@@ -513,9 +519,10 @@ static int r600_get_compute_param(struct pipe_screen *screen,
break;
}
if (ret) {
sprintf(ret, "%s-r600--", gpu);
sprintf(ret, "%s-%s", gpu, triple);
}
return (8 + strlen(gpu)) * sizeof(char);
return (strlen(triple) + strlen(gpu)) * sizeof(char);
}
case PIPE_COMPUTE_CAP_GRID_DIMENSION:
if (ret) {

21
src/gallium/drivers/radeon/radeon_llvm_emit.c
View File

@@ -98,20 +98,19 @@ static void init_r600_target()
}
}
LLVMTargetRef radeon_llvm_get_r600_target()
LLVMTargetRef radeon_llvm_get_r600_target(const char *triple)
{
LLVMTargetRef target = NULL;
char *err_message = NULL;
init_r600_target();
for (target = LLVMGetFirstTarget(); target;
target = LLVMGetNextTarget(target)) {
if (!strncmp(LLVMGetTargetName(target), "r600", 4)) {
break;
if (LLVMGetTargetFromTriple(triple, &target, &err_message)) {
fprintf(stderr, "Cannot find target for triple %s ", triple);
if (err_message) {
fprintf(stderr, "%s\n", err_message);
}
}
if (!target) {
fprintf(stderr, "Can't find target r600\n");
LLVMDisposeMessage(err_message);
return NULL;
}
return target;
@@ -155,7 +154,8 @@ unsigned radeon_llvm_compile(LLVMModuleRef M, struct radeon_shader_binary *binar
LLVMBool mem_err;
if (!tm) {
LLVMTargetRef target = radeon_llvm_get_r600_target();
strncpy(triple, "r600--", TRIPLE_STRING_LEN);
LLVMTargetRef target = radeon_llvm_get_r600_target(triple);
if (!target) {
return 1;
}
@@ -165,7 +165,6 @@ unsigned radeon_llvm_compile(LLVMModuleRef M, struct radeon_shader_binary *binar
LLVMDumpModule(M);
strncpy(fs, "+DumpCode", FS_STRING_LEN);
}
strncpy(triple, "r600--", TRIPLE_STRING_LEN);
tm = LLVMCreateTargetMachine(target, triple, cpu, fs,
LLVMCodeGenLevelDefault, LLVMRelocDefault,
LLVMCodeModelDefault);

2
src/gallium/drivers/radeon/radeon_llvm_emit.h
View File

@@ -34,7 +34,7 @@ struct radeon_shader_binary;
void radeon_llvm_shader_type(LLVMValueRef F, unsigned type);
LLVMTargetRef radeon_llvm_get_r600_target(void);
LLVMTargetRef radeon_llvm_get_r600_target(const char *triple);
unsigned radeon_llvm_compile(
LLVMModuleRef M,

9
src/gallium/drivers/radeonsi/si_pipe.c
View File

@@ -485,6 +485,11 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
{
struct si_screen *sscreen = CALLOC_STRUCT(si_screen);
LLVMTargetRef r600_target;
#if HAVE_LLVM >= 0x0306
const char *triple = "amdgcn--";
#else
const char *triple = "r600--";
#endif
if (sscreen == NULL) {
return NULL;
}
@@ -514,8 +519,8 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
#if HAVE_LLVM >= 0x0306
/* Initialize LLVM TargetMachine */
r600_target = radeon_llvm_get_r600_target();
sscreen->tm = LLVMCreateTargetMachine(r600_target, "r600--",
r600_target = radeon_llvm_get_r600_target(triple);
sscreen->tm = LLVMCreateTargetMachine(r600_target, triple,
r600_get_llvm_processor_name(sscreen->b.family),
"+DumpCode", LLVMCodeGenLevelDefault, LLVMRelocDefault,
LLVMCodeModelDefault);