radv: remove radv_device::llvm_supports_spill

It's always true.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_device.c

@@ -1454,8 +1454,6 @@ VkResult radv_CreateDevice(
 	device->always_use_syncobj = device->physical_device->rad_info.has_syncobj_wait_for_submit;
 #endif
 
-	device->llvm_supports_spill = true;
-
 	/* The maximum number of scratch waves. Scratch space isn't divided
 	 * evenly between CUs. The number is only a function of the number of CUs.
 	 * We can decrease the constant to decrease the scratch buffer size.

src/amd/vulkan/radv_private.h

@@ -624,7 +624,6 @@ struct radv_device {
 	struct radeon_winsys_cs *empty_cs[RADV_MAX_QUEUE_FAMILIES];
 
 	bool always_use_syncobj;
-	bool llvm_supports_spill;
 	bool has_distributed_tess;
 	bool pbb_allowed;
 	bool dfsm_allowed;

src/amd/vulkan/radv_shader.c

@@ -376,9 +376,6 @@ radv_fill_shader_variant(struct radv_device *device,
 	struct radv_shader_info *info = &variant->info.info;
 	unsigned vgpr_comp_cnt = 0;
 
-	if (scratch_enabled && !device->llvm_supports_spill)
-		radv_finishme("shader scratch support only available with LLVM 4.0");
-
 	variant->code_size = binary->code_size;
 	variant->rsrc2 = S_00B12C_USER_SGPR(variant->info.num_user_sgprs) |
 			 S_00B12C_SCRATCH_EN(scratch_enabled);
@@ -554,7 +551,7 @@ radv_shader_variant_create(struct radv_device *device,
 		options.key = *key;
 
 	options.unsafe_math = !!(device->instance->debug_flags & RADV_DEBUG_UNSAFE_MATH);
-	options.supports_spill = device->llvm_supports_spill;
+	options.supports_spill = true;
 
 	return shader_variant_create(device, module, shaders, shader_count, shaders[shader_count - 1]->info.stage,
 				     &options, false, code_out, code_size_out);