src/gallium/drivers/llvmpipe/lp_test_sincos.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
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  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
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  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 "gallivm/lp_bld.h"
  33 #include "gallivm/lp_bld_printf.h"
  34 #include "gallivm/lp_bld_arit.h"
  35
  36 #include <llvm-c/Analysis.h>
  37 #include <llvm-c/ExecutionEngine.h>
  38 #include <llvm-c/Target.h>
  39 #include <llvm-c/Transforms/Scalar.h>
  40
  41 #include "lp_test.h"
  42
  43
  44 struct sincos_test_case {
  45 };
  46
  47
  48 void
  49 write_tsv_header(FILE *fp)
  50 {
  51    fprintf(fp,
  52            "result\t"
  53            "format\n");
  54
  55    fflush(fp);
  56 }
  57
  58
  59 #ifdef PIPE_ARCH_SSE
  60
  61 #define USE_SSE2
  62 #include "sse_mathfun.h"
  63
  64 typedef __m128 (*test_sincos_t)(__m128);
  65
  66 static LLVMValueRef
  67 add_sincos_test(LLVMModuleRef module, bool sin)
  68 {
  69    LLVMTypeRef v4sf = LLVMVectorType(LLVMFloatType(), 4);
  70    LLVMTypeRef args[1] = { v4sf };
  71    LLVMValueRef func = LLVMAddFunction(module, "sincos", LLVMFunctionType(v4sf, args, 1, 0));
  72    LLVMValueRef arg1 = LLVMGetParam(func, 0);
  73    LLVMBuilderRef builder = LLVMCreateBuilder();
  74    LLVMBasicBlockRef block = LLVMAppendBasicBlock(func, "entry");
  75    LLVMValueRef ret;
  76    struct lp_build_context bld;
  77
  78    bld.builder = builder;
  79    bld.type.floating = 1;
  80    bld.type.width = 32;
  81    bld.type.length = 4;
  82
  83    LLVMSetFunctionCallConv(func, LLVMCCallConv);
  84
  85    LLVMPositionBuilderAtEnd(builder, block);
  86    ret = sin ? lp_build_sin(&bld, arg1) : lp_build_cos(&bld, arg1);
  87    LLVMBuildRet(builder, ret);
  88    LLVMDisposeBuilder(builder);
  89    return func;
  90 }
  91
  92 static void
  93 printv(char* string, v4sf value)
  94 {
  95    v4sf v = value;
  96    uint32_t  *p = (uint32_t *) &v;
  97    float *f = (float *)&v;
  98    printf("%s: %f(%x) %f(%x) %f(%x) %f(%x)\n", string,
  99            f[0], p[0], f[1], p[1], f[2], p[2], f[3], p[3]);
 100 }
 101
 102 PIPE_ALIGN_STACK
 103 static boolean
 104 test_sincos(unsigned verbose, FILE *fp, const struct sincos_test_case *testcase)
 105 {
 106    LLVMModuleRef module = NULL;
 107    LLVMValueRef test_sin = NULL, test_cos = NULL;
 108    LLVMExecutionEngineRef engine = NULL;
 109    LLVMModuleProviderRef provider = NULL;
 110    LLVMPassManagerRef pass = NULL;
 111    char *error = NULL;
 112    test_sincos_t sin_func;
 113    test_sincos_t cos_func;
 114    float unpacked[4];
 115    unsigned packed;
 116    boolean success = TRUE;
 117
 118    module = LLVMModuleCreateWithName("test");
 119
 120    test_sin = add_sincos_test(module, TRUE);
 121    test_cos = add_sincos_test(module, FALSE);
 122
 123    if(LLVMVerifyModule(module, LLVMPrintMessageAction, &error)) {
 124       printf("LLVMVerifyModule: %s\n", error);
 125       LLVMDumpModule(module);
 126       abort();
 127    }
 128    LLVMDisposeMessage(error);
 129
 130    provider = LLVMCreateModuleProviderForExistingModule(module);
 131    if (LLVMCreateJITCompiler(&engine, provider, 1, &error)) {
 132       fprintf(stderr, "%s\n", error);
 133       LLVMDisposeMessage(error);
 134       abort();
 135    }
 136
 137 #if 0
 138    pass = LLVMCreatePassManager();
 139    LLVMAddTargetData(LLVMGetExecutionEngineTargetData(engine), pass);
 140    /* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
 141     * but there are more on SVN. */
 142    LLVMAddConstantPropagationPass(pass);
 143    LLVMAddInstructionCombiningPass(pass);
 144    LLVMAddPromoteMemoryToRegisterPass(pass);
 145    LLVMAddGVNPass(pass);
 146    LLVMAddCFGSimplificationPass(pass);
 147    LLVMRunPassManager(pass, module);
 148 #else
 149    (void)pass;
 150 #endif
 151
 152    sin_func = (test_sincos_t)LLVMGetPointerToGlobal(engine, test_sin);
 153    cos_func = (test_sincos_t)LLVMGetPointerToGlobal(engine, test_cos);
 154
 155    memset(unpacked, 0, sizeof unpacked);
 156    packed = 0;
 157
 158
 159    // LLVMDumpModule(module);
 160    {
 161       v4sf src = {3.14159/4.0, -3.14159/4.0, 1.0, -1.0};
 162       printv("ref ",sin_ps(src));
 163       printv("llvm", sin_func(src));
 164       printv("ref ",cos_ps(src));
 165       printv("llvm",cos_func(src));
 166    }
 167
 168    LLVMFreeMachineCodeForFunction(engine, test_sin);
 169    LLVMFreeMachineCodeForFunction(engine, test_cos);
 170
 171    LLVMDisposeExecutionEngine(engine);
 172    if(pass)
 173       LLVMDisposePassManager(pass);
 174
 175    return success;
 176 }
 177
 178 #else /* !PIPE_ARCH_SSE */
 179
 180 static boolean
 181 test_sincos(unsigned verbose, FILE *fp, const struct sincos_test_case *testcase)
 182 {
 183    return TRUE;
 184 }
 185
 186 #endif /* !PIPE_ARCH_SSE */
 187
 188
 189 boolean
 190 test_all(unsigned verbose, FILE *fp)
 191 {
 192    bool success = TRUE;
 193
 194    test_sincos(verbose, fp, NULL);
 195
 196    return success;
 197 }
 198
 199
 200 boolean
 201 test_some(unsigned verbose, FILE *fp, unsigned long n)
 202 {
 203    return test_all(verbose, fp);
 204 }