src/gallium/drivers/llvmpipe/lp_test_printf.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31
  32 #include "util/u_pointer.h"
  33 #include "gallivm/lp_bld.h"
  34 #include "gallivm/lp_bld_init.h"
  35 #include "gallivm/lp_bld_assert.h"
  36 #include "gallivm/lp_bld_printf.h"
  37
  38 #include "lp_test.h"
  39
  40
  41 struct printf_test_case {
  42    int foo;
  43 };
  44
  45 void
  46 write_tsv_header(FILE *fp)
  47 {
  48    fprintf(fp,
  49            "result\t"
  50            "format\n");
  51
  52    fflush(fp);
  53 }
  54
  55
  56
  57 typedef void (*test_printf_t)(int i);
  58
  59
  60 static LLVMValueRef
  61 add_printf_test(struct gallivm_state *gallivm)
  62 {
  63    LLVMModuleRef module = gallivm->module;
  64    LLVMTypeRef args[1] = { LLVMIntTypeInContext(gallivm->context, 32) };
  65    LLVMValueRef func = LLVMAddFunction(module, "test_printf", LLVMFunctionType(LLVMVoidTypeInContext(gallivm->context), args, 1, 0));
  66    LLVMBuilderRef builder = gallivm->builder;
  67    LLVMBasicBlockRef block = LLVMAppendBasicBlockInContext(gallivm->context, func, "entry");
  68
  69    LLVMSetFunctionCallConv(func, LLVMCCallConv);
  70
  71    LLVMPositionBuilderAtEnd(builder, block);
  72    lp_build_printf(gallivm, "hello, world\n");
  73    lp_build_printf(gallivm, "print 5 6: %d %d\n", LLVMConstInt(LLVMInt32TypeInContext(gallivm->context), 5, 0),
  74                                 LLVMConstInt(LLVMInt32TypeInContext(gallivm->context), 6, 0));
  75
  76    /* Also test lp_build_assert().  This should not fail. */
  77    lp_build_assert(gallivm, LLVMConstInt(LLVMInt32TypeInContext(gallivm->context), 1, 0), "assert(1)");
  78
  79    LLVMBuildRetVoid(builder);
  80
  81    return func;
  82 }
  83
  84
  85 PIPE_ALIGN_STACK
  86 static boolean
  87 test_printf(struct gallivm_state *gallivm,
  88             unsigned verbose, FILE *fp,
  89             const struct printf_test_case *testcase)
  90 {
  91    LLVMExecutionEngineRef engine = gallivm->engine;
  92    LLVMModuleRef module = gallivm->module;
  93    LLVMValueRef test;
  94    char *error = NULL;
  95    test_printf_t test_printf_func;
  96    boolean success = TRUE;
  97    void *code;
  98
  99    test = add_printf_test(gallivm);
 100
 101    if(LLVMVerifyModule(module, LLVMPrintMessageAction, &error)) {
 102       LLVMDumpModule(module);
 103       abort();
 104    }
 105    LLVMDisposeMessage(error);
 106
 107    code = LLVMGetPointerToGlobal(engine, test);
 108    test_printf_func = (test_printf_t) pointer_to_func(code);
 109
 110    // LLVMDumpModule(module);
 111
 112    test_printf_func(0);
 113
 114    LLVMFreeMachineCodeForFunction(engine, test);
 115
 116    return success;
 117 }
 118
 119
 120 boolean
 121 test_all(struct gallivm_state *gallivm, unsigned verbose, FILE *fp)
 122 {
 123    boolean success = TRUE;
 124
 125    test_printf(gallivm, verbose, fp, NULL);
 126
 127    return success;
 128 }
 129
 130
 131 boolean
 132 test_some(struct gallivm_state *gallivm, unsigned verbose, FILE *fp,
 133           unsigned long n)
 134 {
 135    return test_all(gallivm, verbose, fp);
 136 }
 137
 138
 139 boolean
 140 test_single(struct gallivm_state *gallivm, unsigned verbose, FILE *fp)
 141 {
 142    printf("no test_single()");
 143    return TRUE;
 144 }