From b04430efd963ca541c435c6c1007feccf5474040 Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack@tungstengraphics.com>
Date: Mon, 22 Oct 2007 11:00:28 -0400
Subject: Introduce linux-llvm target. Remove the llvm code from the default
 build for now. Cleanup some of the debugging output.

---
 src/mesa/pipe/llvm/llvmtgsi.cpp | 50 ++++++++++++++++++++++++++++++++---------
 src/mesa/pipe/llvm/llvmtgsi.h   | 11 ++++-----
 2 files changed, 43 insertions(+), 18 deletions(-)

(limited to 'src/mesa')

diff --git a/src/mesa/pipe/llvm/llvmtgsi.cpp b/src/mesa/pipe/llvm/llvmtgsi.cpp
index 00f8b86efc..e1bb281a94 100644
--- a/src/mesa/pipe/llvm/llvmtgsi.cpp
+++ b/src/mesa/pipe/llvm/llvmtgsi.cpp
@@ -33,9 +33,17 @@
 #include <llvm/Bitcode/ReaderWriter.h>
 
 #include <sstream>
+#include <fstream>
 #include <iostream>
 
 
+struct ga_llvm_prog {
+   void *module;
+   void *function;
+   int   num_consts;
+   int   id;
+};
+
 using namespace llvm;
 #include "llvm_base_shader.cpp"
 
@@ -134,7 +142,7 @@ translate_instruction(llvm::Module *module,
    inputs[1] = 0;
    inputs[2] = 0;
    inputs[3] = 0;
-   printf("translate instr START\n");
+
    for (int i = 0; i < inst->Instruction.NumSrcRegs; ++i) {
       struct tgsi_full_src_register *src = &inst->FullSrcRegisters[i];
       llvm::Value *val = 0;
@@ -176,7 +184,6 @@ translate_instruction(llvm::Module *module,
    /*if (inputs[0])
      instr->printVector(inputs[0]);*/
    llvm::Value *out = 0;
-   printf("Opcode is %d\n", inst->Instruction.Opcode);
    switch (inst->Instruction.Opcode) {
    case TGSI_OPCODE_ARL:
       break;
@@ -485,7 +492,6 @@ translate_instruction(llvm::Module *module,
    case TGSI_OPCODE_KIL:
       break;
    case TGSI_OPCODE_END:
-      printf("translate instr END\n");
       return;
       break;
    default:
@@ -525,7 +531,6 @@ translate_instruction(llvm::Module *module,
          fprintf(stderr, "ERROR: unsupported LLVM destination!");
       }
    }
-   printf("translate instr END\n");
 }
 
 static llvm::Module *
@@ -590,10 +595,6 @@ tgsi_to_llvm(struct ga_llvm_prog *prog, const struct tgsi_token *tokens)
    tgsi_parse_free(&parse);
 
    prog->num_consts = storage.numConsts();
-
-   std::cout<<"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"<<std::endl;
-   std::cout<<*mod<<std::endl;
-   std::cout<<"YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY"<<std::endl;
    return mod;
 }
 
@@ -605,9 +606,7 @@ ga_llvm_from_tgsi(struct pipe_context *pipe, const struct tgsi_token *tokens)
    struct ga_llvm_prog *ga_llvm =
       (struct ga_llvm_prog *)malloc(sizeof(struct ga_llvm_prog));
    ga_llvm->id = GLOBAL_ID;
-   fprintf(stderr, "----- TGSI Start ---- \n");
    tgsi_dump(tokens, 0);
-   fprintf(stderr, "----- TGSI End ---- \n");
    llvm::Module *mod = tgsi_to_llvm(ga_llvm, tokens);
 
    /* Run optimization passes over it */
@@ -630,6 +629,8 @@ ga_llvm_from_tgsi(struct pipe_context *pipe, const struct tgsi_token *tokens)
    Function *func = mod->getFunction("run_vertex_shader");
    ga_llvm->function = ee->getPointerToFunctionOrStub(func);
 
+   ga_llvm_prog_dump(ga_llvm, 0);
+
    return ga_llvm;
 }
 
@@ -638,7 +639,6 @@ void ga_llvm_prog_delete(struct ga_llvm_prog *prog)
    llvm::Module *mod = static_cast<llvm::Module*>(prog->module);
    delete mod;
    prog->module = 0;
-   prog->engine = 0;
    prog->function = 0;
    free(prog);
 }
@@ -665,3 +665,31 @@ int ga_llvm_prog_exec(struct ga_llvm_prog *prog,
 
    return 0;
 }
+
+void ga_llvm_prog_dump(struct ga_llvm_prog *prog, const char *file_prefix)
+{
+   llvm::Module *mod;
+   if (!prog || !prog->module)
+      return;
+
+   mod = static_cast<llvm::Module*>(prog->module);
+
+   if (file_prefix) {
+      std::ostringstream stream;
+      stream << file_prefix;
+      stream << prog->id;
+      stream << ".ll";
+      std::string name = stream.str();
+      std::ofstream out(name.c_str());
+      if (!out) {
+         std::cerr<<"Can't open file : "<<stream.str()<<std::endl;;
+         return;
+      }
+      out << (*mod);
+      out.close();
+   } else {
+      std::cout<<"; ---------- Start shader "<<prog->id<<std::endl;
+      std::cout<<*mod<<std::endl;
+      std::cout<<"; ---------- End shader "<<prog->id<<std::endl;
+   }
+}
diff --git a/src/mesa/pipe/llvm/llvmtgsi.h b/src/mesa/pipe/llvm/llvmtgsi.h
index 1226dc713b..2b9540f747 100644
--- a/src/mesa/pipe/llvm/llvmtgsi.h
+++ b/src/mesa/pipe/llvm/llvmtgsi.h
@@ -12,13 +12,8 @@ struct tgsi_token;
 struct tgsi_sampler;
 struct pipe_context;
 
-struct ga_llvm_prog {
-   void *module;
-   void *engine;
-   void *function;
-   int   num_consts;
-   int   id;
-};
+struct ga_llvm_prog;
+
 struct ga_llvm_prog *
 ga_llvm_from_tgsi(struct pipe_context *pipe, const struct tgsi_token *tokens);
 
@@ -32,6 +27,8 @@ int ga_llvm_prog_exec(struct ga_llvm_prog *prog,
                       int num_inputs,
                       int num_attribs);
 
+void ga_llvm_prog_dump(struct ga_llvm_prog *prog, const char *file_prefix);
+
 #if defined __cplusplus
 } // extern "C"
 #endif
-- 
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