radeonsi: split si_clear_buffer to remove enum si_method
[mesa.git] / src / gallium / drivers / radeonsi / si_shader_tgsi_setup.c
index 90cc2e0d98196a387f3728559c0b33ee94ac022b..975696d07ad6c4473d05b52598cfe734da71f0c2 100644 (file)
@@ -1,5 +1,6 @@
 /*
  * Copyright 2016 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
 
 #include "si_shader_internal.h"
 #include "si_pipe.h"
-
-#include "gallivm/lp_bld_const.h"
-#include "gallivm/lp_bld_gather.h"
-#include "gallivm/lp_bld_flow.h"
-#include "gallivm/lp_bld_init.h"
-#include "gallivm/lp_bld_intr.h"
-#include "gallivm/lp_bld_misc.h"
-#include "gallivm/lp_bld_swizzle.h"
-#include "tgsi/tgsi_info.h"
-#include "tgsi/tgsi_parse.h"
-#include "util/u_math.h"
+#include "ac_llvm_util.h"
 #include "util/u_memory.h"
-#include "util/u_debug.h"
-
-#include <stdio.h>
-#include <llvm-c/Transforms/IPO.h>
-#include <llvm-c/Transforms/Scalar.h>
 
 enum si_llvm_calling_convention {
        RADEON_LLVM_AMDGPU_VS = 87,
@@ -95,16 +81,15 @@ static void si_diagnostic_handler(LLVMDiagnosticInfoRef di, void *context)
  * @returns 0 for success, 1 for failure
  */
 unsigned si_llvm_compile(LLVMModuleRef M, struct ac_shader_binary *binary,
-                        LLVMTargetMachineRef tm,
-                        struct pipe_debug_callback *debug)
+                        struct ac_llvm_compiler *compiler,
+                        struct pipe_debug_callback *debug,
+                        bool less_optimized)
 {
+       struct ac_compiler_passes *passes =
+               less_optimized && compiler->low_opt_passes ?
+                       compiler->low_opt_passes : compiler->passes;
        struct si_llvm_diagnostics diag;
-       char *err;
        LLVMContextRef llvm_ctx;
-       LLVMMemoryBufferRef out_buffer;
-       unsigned buffer_size;
-       const char *buffer_data;
-       LLVMBool mem_err;
 
        diag.debug = debug;
        diag.retval = 0;
@@ -114,33 +99,10 @@ unsigned si_llvm_compile(LLVMModuleRef M, struct ac_shader_binary *binary,
 
        LLVMContextSetDiagnosticHandler(llvm_ctx, si_diagnostic_handler, &diag);
 
-       /* Compile IR*/
-       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);
-               diag.retval = 1;
-               goto out;
-       }
-
-       /* Extract Shader Code*/
-       buffer_size = LLVMGetBufferSize(out_buffer);
-       buffer_data = LLVMGetBufferStart(out_buffer);
-
-       if (!ac_elf_read(buffer_data, buffer_size, binary)) {
-               fprintf(stderr, "radeonsi: cannot read an ELF shader binary\n");
+       /* Compile IR. */
+       if (!ac_compile_module_to_binary(passes, M, binary))
                diag.retval = 1;
-       }
 
-       /* Clean up */
-       LLVMDisposeMemoryBuffer(out_buffer);
-
-out:
        if (diag.retval != 0)
                pipe_debug_message(debug, SHADER_INFO, "LLVM compile failed");
        return diag.retval;
@@ -192,7 +154,7 @@ LLVMValueRef si_llvm_bound_index(struct si_shader_context *ctx,
        LLVMValueRef c_max = LLVMConstInt(ctx->i32, num - 1, 0);
        LLVMValueRef cc;
 
-       if (util_is_power_of_two(num)) {
+       if (util_is_power_of_two_or_zero(num)) {
                index = LLVMBuildAnd(builder, index, c_max, "");
        } else {
                /* In theory, this MAX pattern should result in code that is
@@ -508,7 +470,7 @@ LLVMValueRef si_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base,
                for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
                        values[chan] = si_llvm_emit_fetch(bld_base, reg, type, chan);
                }
-               return lp_build_gather_values(&ctx->gallivm, values,
+               return ac_build_gather_values(&ctx->ac, values,
                                              TGSI_NUM_CHANNELS);
        }
 
@@ -638,9 +600,8 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
                for (idx = decl->Range.First; idx <= decl->Range.Last; idx++) {
                        unsigned chan;
                        for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
-                                ctx->addrs[idx][chan] = lp_build_alloca_undef(
-                                       &ctx->gallivm,
-                                       ctx->i32, "");
+                                ctx->addrs[idx][chan] = ac_build_alloca_undef(
+                                       &ctx->ac, ctx->i32, "");
                        }
                }
                break;
@@ -685,7 +646,7 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
                         */
                        if (array_size > 16 ||
                            !ctx->screen->llvm_has_working_vgpr_indexing) {
-                               array_alloca = lp_build_alloca_undef(&ctx->gallivm,
+                               array_alloca = ac_build_alloca_undef(&ctx->ac,
                                        LLVMArrayType(ctx->f32,
                                                      array_size), "array");
                                ctx->temp_array_allocas[id] = array_alloca;
@@ -703,7 +664,7 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
                                         first + i / 4, "xyzw"[i % 4]);
 #endif
                                ctx->temps[first * TGSI_NUM_CHANNELS + i] =
-                                       lp_build_alloca_undef(&ctx->gallivm,
+                                       ac_build_alloca_undef(&ctx->ac,
                                                              ctx->f32,
                                                              name);
                        }
@@ -721,9 +682,8 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
                                 * a shader ever reads from a channel that
                                 * it never writes to.
                                 */
-                               ctx->undef_alloca = lp_build_alloca_undef(
-                                       &ctx->gallivm,
-                                       ctx->f32, "undef");
+                               ctx->undef_alloca = ac_build_alloca_undef(
+                                       &ctx->ac, ctx->f32, "undef");
                        }
 
                        for (i = 0; i < decl_size; ++i) {
@@ -787,9 +747,8 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
                                snprintf(name, sizeof(name), "OUT%d.%c",
                                         idx, "xyzw"[chan % 4]);
 #endif
-                               ctx->outputs[idx][chan] = lp_build_alloca_undef(
-                                       &ctx->gallivm,
-                                       ctx->f32, name);
+                               ctx->outputs[idx][chan] = ac_build_alloca_undef(
+                                       &ctx->ac, ctx->f32, name);
                        }
                }
                break;
@@ -988,7 +947,7 @@ static void emit_immediate(struct lp_build_tgsi_context *bld_base,
 
 void si_llvm_context_init(struct si_shader_context *ctx,
                          struct si_screen *sscreen,
-                         LLVMTargetMachineRef tm)
+                         struct ac_llvm_compiler *compiler)
 {
        struct lp_type type;
 
@@ -999,31 +958,20 @@ void si_llvm_context_init(struct si_shader_context *ctx,
         */
        memset(ctx, 0, sizeof(*ctx));
        ctx->screen = sscreen;
-       ctx->tm = tm;
-
-       ctx->gallivm.context = LLVMContextCreate();
-       ctx->gallivm.module = LLVMModuleCreateWithNameInContext("tgsi",
-                                               ctx->gallivm.context);
-       LLVMSetTarget(ctx->gallivm.module, "amdgcn--");
+       ctx->compiler = compiler;
 
-       LLVMTargetDataRef data_layout = LLVMCreateTargetDataLayout(tm);
-       char *data_layout_str = LLVMCopyStringRepOfTargetData(data_layout);
-       LLVMSetDataLayout(ctx->gallivm.module, data_layout_str);
-       LLVMDisposeTargetData(data_layout);
-       LLVMDisposeMessage(data_layout_str);
+       ac_llvm_context_init(&ctx->ac, sscreen->info.chip_class, sscreen->info.family);
+       ctx->ac.module = ac_create_module(compiler->tm, ctx->ac.context);
 
-       bool unsafe_fpmath = (sscreen->debug_flags & DBG(UNSAFE_MATH)) != 0;
        enum ac_float_mode float_mode =
-               unsafe_fpmath ? AC_FLOAT_MODE_UNSAFE_FP_MATH :
-                               AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH;
+               sscreen->debug_flags & DBG(UNSAFE_MATH) ?
+                       AC_FLOAT_MODE_UNSAFE_FP_MATH :
+                       AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH;
+       ctx->ac.builder = ac_create_builder(ctx->ac.context, float_mode);
 
-       ctx->gallivm.builder = ac_create_builder(ctx->gallivm.context,
-                                                float_mode);
-
-       ac_llvm_context_init(&ctx->ac, ctx->gallivm.context,
-                            sscreen->info.chip_class, sscreen->info.family);
-       ctx->ac.module = ctx->gallivm.module;
-       ctx->ac.builder = ctx->gallivm.builder;
+       ctx->gallivm.context = ctx->ac.context;
+       ctx->gallivm.module = ctx->ac.module;
+       ctx->gallivm.builder = ctx->ac.builder;
 
        struct lp_build_tgsi_context *bld_base = &ctx->bld_base;
 
@@ -1073,6 +1021,8 @@ void si_llvm_context_init(struct si_shader_context *ctx,
 
        ctx->i32_0 = LLVMConstInt(ctx->i32, 0, 0);
        ctx->i32_1 = LLVMConstInt(ctx->i32, 1, 0);
+       ctx->i1false = LLVMConstInt(ctx->i1, 0, 0);
+       ctx->i1true = LLVMConstInt(ctx->i1, 1, 0);
 }
 
 /* Set the context to a certain TGSI shader. Can be called repeatedly
@@ -1186,8 +1136,7 @@ void si_llvm_create_func(struct si_shader_context *ctx,
                call_conv = RADEON_LLVM_AMDGPU_VS;
                break;
        case PIPE_SHADER_TESS_CTRL:
-               call_conv = HAVE_LLVM >= 0x0500 ? RADEON_LLVM_AMDGPU_HS :
-                                                 RADEON_LLVM_AMDGPU_VS;
+               call_conv = RADEON_LLVM_AMDGPU_HS;
                break;
        case PIPE_SHADER_GEOMETRY:
                call_conv = RADEON_LLVM_AMDGPU_GS;
@@ -1207,44 +1156,14 @@ void si_llvm_create_func(struct si_shader_context *ctx,
 
 void si_llvm_optimize_module(struct si_shader_context *ctx)
 {
-       struct gallivm_state *gallivm = &ctx->gallivm;
-       const char *triple = LLVMGetTarget(gallivm->module);
-       LLVMTargetLibraryInfoRef target_library_info;
-
        /* Dump LLVM IR before any optimization passes */
        if (ctx->screen->debug_flags & DBG(PREOPT_IR) &&
            si_can_dump_shader(ctx->screen, ctx->type))
                LLVMDumpModule(ctx->gallivm.module);
 
-       /* Create the pass manager */
-       gallivm->passmgr = LLVMCreatePassManager();
-
-       target_library_info = gallivm_create_target_library_info(triple);
-       LLVMAddTargetLibraryInfo(target_library_info, gallivm->passmgr);
-
-       if (si_extra_shader_checks(ctx->screen, ctx->type))
-               LLVMAddVerifierPass(gallivm->passmgr);
-
-       LLVMAddAlwaysInlinerPass(gallivm->passmgr);
-
-       /* This pass should eliminate all the load and store instructions */
-       LLVMAddPromoteMemoryToRegisterPass(gallivm->passmgr);
-
-       /* Add some optimization passes */
-       LLVMAddScalarReplAggregatesPass(gallivm->passmgr);
-       LLVMAddLICMPass(gallivm->passmgr);
-       LLVMAddAggressiveDCEPass(gallivm->passmgr);
-       LLVMAddCFGSimplificationPass(gallivm->passmgr);
-       /* This is recommended by the instruction combining pass. */
-       LLVMAddEarlyCSEMemSSAPass(gallivm->passmgr);
-       LLVMAddInstructionCombiningPass(gallivm->passmgr);
-
        /* Run the pass */
-       LLVMRunPassManager(gallivm->passmgr, ctx->gallivm.module);
-
+       LLVMRunPassManager(ctx->compiler->passmgr, ctx->gallivm.module);
        LLVMDisposeBuilder(ctx->ac.builder);
-       LLVMDisposePassManager(gallivm->passmgr);
-       gallivm_dispose_target_library_info(target_library_info);
 }
 
 void si_llvm_dispose(struct si_shader_context *ctx)