radv: create/destroy passmgr at the higher level.

This is prep work for moving this to a per-thread struct

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

src/amd/vulkan/radv_nir_to_llvm.c

@@ -2993,15 +2993,11 @@ handle_shader_outputs_post(struct ac_shader_abi *abi, unsigned max_outputs,
 }
 
 static void ac_llvm_finalize_module(struct radv_shader_context *ctx,
+				    LLVMPassManagerRef passmgr,
 				    const struct radv_nir_compiler_options *options)
 {
-	LLVMPassManagerRef passmgr;
-
-	passmgr = ac_create_passmgr(NULL, options->check_ir);
-
 	LLVMRunPassManager(passmgr, ctx->ac.module);
 	LLVMDisposeBuilder(ctx->ac.builder);
-	LLVMDisposePassManager(passmgr);
 
 	ac_llvm_context_dispose(&ctx->ac);
 }
@@ -3132,6 +3128,7 @@ static void prepare_gs_input_vgprs(struct radv_shader_context *ctx)
 
 static
 LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
+                                       LLVMPassManagerRef passmgr,
                                        struct nir_shader *const *shaders,
                                        int shader_count,
                                        struct radv_shader_variant_info *shader_info,
@@ -3300,7 +3297,7 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
 	if (options->dump_preoptir)
 		ac_dump_module(ctx.ac.module);
 
-	ac_llvm_finalize_module(&ctx, options);
+	ac_llvm_finalize_module(&ctx, passmgr, options);
 
 	if (shader_count == 1)
 		ac_nir_eliminate_const_vs_outputs(&ctx);
@@ -3501,6 +3498,7 @@ ac_fill_shader_info(struct radv_shader_variant_info *shader_info, struct nir_sha
 
 void
 radv_compile_nir_shader(LLVMTargetMachineRef tm,
+			LLVMPassManagerRef passmgr,
 			struct ac_shader_binary *binary,
 			struct ac_shader_config *config,
 			struct radv_shader_variant_info *shader_info,
@@ -3511,7 +3509,7 @@ radv_compile_nir_shader(LLVMTargetMachineRef tm,
 
 	LLVMModuleRef llvm_module;
 
-	llvm_module = ac_translate_nir_to_llvm(tm, nir, nir_count, shader_info,
+	llvm_module = ac_translate_nir_to_llvm(tm, passmgr, nir, nir_count, shader_info,
 	                                       options);
 
 	ac_compile_llvm_module(tm, llvm_module, binary, config, shader_info,
@@ -3573,6 +3571,7 @@ ac_gs_copy_shader_emit(struct radv_shader_context *ctx)
 
 void
 radv_compile_gs_copy_shader(LLVMTargetMachineRef tm,
+			    LLVMPassManagerRef passmgr,
 			    struct nir_shader *geom_shader,
 			    struct ac_shader_binary *binary,
 			    struct ac_shader_config *config,
@@ -3617,7 +3616,7 @@ radv_compile_gs_copy_shader(LLVMTargetMachineRef tm,
 
 	LLVMBuildRetVoid(ctx.ac.builder);
 
-	ac_llvm_finalize_module(&ctx, options);
+	ac_llvm_finalize_module(&ctx, passmgr, options);
 
 	ac_compile_llvm_module(tm, ctx.ac.module, binary, config, shader_info,
 			       MESA_SHADER_VERTEX, options);

src/amd/vulkan/radv_private.h

@@ -1796,6 +1796,7 @@ struct radv_shader_variant_info;
 struct radv_nir_compiler_options;
 
 void radv_compile_gs_copy_shader(LLVMTargetMachineRef tm,
+				 LLVMPassManagerRef passmgr,
 				 struct nir_shader *geom_shader,
 				 struct ac_shader_binary *binary,
 				 struct ac_shader_config *config,
@@ -1803,6 +1804,7 @@ void radv_compile_gs_copy_shader(LLVMTargetMachineRef tm,
 				 const struct radv_nir_compiler_options *option);
 
 void radv_compile_nir_shader(LLVMTargetMachineRef tm,
+			     LLVMPassManagerRef passmgr,
 			     struct ac_shader_binary *binary,
 			     struct ac_shader_config *config,
 			     struct radv_shader_variant_info *shader_info,

src/amd/vulkan/radv_shader.c

@@ -542,6 +542,7 @@ shader_variant_create(struct radv_device *device,
 	struct radv_shader_variant *variant;
 	struct ac_shader_binary binary;
 	LLVMTargetMachineRef tm;
+	LLVMPassManagerRef passmgr;
 
 	variant = calloc(1, sizeof(struct radv_shader_variant));
 	if (!variant)
@@ -564,17 +565,19 @@ shader_variant_create(struct radv_device *device,
 
 	radv_init_llvm_once();
 	tm = ac_create_target_machine(chip_family, tm_options, NULL);
+	passmgr = ac_create_passmgr(NULL, options->check_ir);
 	if (gs_copy_shader) {
 		assert(shader_count == 1);
-		radv_compile_gs_copy_shader(tm, *shaders, &binary,
+		radv_compile_gs_copy_shader(tm, passmgr, *shaders, &binary,
 					    &variant->config, &variant->info,
 					    options);
 	} else {
-		radv_compile_nir_shader(tm, &binary, &variant->config,
+		radv_compile_nir_shader(tm, passmgr, &binary, &variant->config,
 					&variant->info, shaders, shader_count,
 					options);
 	}
 
+	LLVMDisposePassManager(passmgr);
 	LLVMDisposeTargetMachine(tm);
 
 	radv_fill_shader_variant(device, variant, &binary, stage);