diff options
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index cd6725ecdfc..9b3f5914718 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -1141,8 +1141,23 @@ static void set_range_metadata(LLVMValueRef value, unsigned lo, unsigned hi) static LLVMValueRef get_thread_id(struct si_shader_context *ctx) { struct gallivm_state *gallivm = &ctx->radeon_bld.gallivm; - LLVMValueRef tid = lp_build_intrinsic(gallivm->builder, "llvm.SI.tid", + LLVMValueRef tid; + + if (HAVE_LLVM < 0x0308) { + tid = lp_build_intrinsic(gallivm->builder, "llvm.SI.tid", ctx->i32, NULL, 0, LLVMReadNoneAttribute); + } else { + LLVMValueRef tid_args[2]; + tid_args[0] = lp_build_const_int32(gallivm, 0xffffffff); + tid_args[1] = lp_build_const_int32(gallivm, 0); + tid_args[1] = lp_build_intrinsic(gallivm->builder, + "llvm.amdgcn.mbcnt.lo", ctx->i32, + tid_args, 2, LLVMReadNoneAttribute); + + tid = lp_build_intrinsic(gallivm->builder, + "llvm.amdgcn.mbcnt.hi", ctx->i32, + tid_args, 2, LLVMReadNoneAttribute); + } set_range_metadata(tid, 0, 64); return tid; } |