diff options
Diffstat (limited to 'src/gallium/auxiliary/gallivm')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_printf.c | 109 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_printf.h | 39 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 20 |
3 files changed, 167 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_printf.c b/src/gallium/auxiliary/gallivm/lp_bld_printf.c new file mode 100644 index 00000000000..ae4d400af39 --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_printf.c @@ -0,0 +1,109 @@ +/************************************************************************** + * + * Copyright 2010 VMware, 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"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <stdio.h> + +#include "lp_bld_printf.h" + + +static int +lp_get_printf_arg_count(const char *fmt) +{ + int count =0; + const char *p = fmt; + int c; + + while ((c = *p++)) { + if (c != '%') + continue; + switch (*p) { + case '\0': + continue; + case '%': + p++; + continue; + case '.': + if (p[1] == '*' && p[2] == 's') { + count += 2; + p += 3; + continue; + } + default: + count ++; + } + } + return count; +} + +LLVMValueRef +lp_build_const_string_variable(LLVMModuleRef module, const char *str, int len) +{ + LLVMValueRef string = LLVMAddGlobal(module, LLVMArrayType(LLVMInt8Type(), len + 1), ""); + LLVMSetGlobalConstant(string, TRUE); + LLVMSetLinkage(string, LLVMInternalLinkage); + LLVMSetInitializer(string, LLVMConstString(str, len + 1, TRUE)); + return string; +} + + +/** + * lp_build_printf. + * + * Build printf call in LLVM IR. The output goes to stdout. + * The additional variable arguments need to have type + * LLVMValueRef. + */ +LLVMValueRef +lp_build_printf(LLVMBuilderRef builder, const char *fmt, ...) +{ + va_list arglist; + int i = 0; + int argcount = lp_get_printf_arg_count(fmt); + LLVMModuleRef module = LLVMGetGlobalParent(LLVMGetBasicBlockParent(LLVMGetInsertBlock(builder))); + LLVMValueRef params[argcount + 1]; + LLVMValueRef fmtarg = lp_build_const_string_variable(module, fmt, strlen(fmt) + 1); + LLVMValueRef int0 = LLVMConstInt(LLVMInt32Type(), 0, 0); + LLVMValueRef index[2]; + LLVMValueRef func_printf = LLVMGetNamedFunction(module, "printf"); + + index[0] = index[1] = int0; + + if (!func_printf) { + LLVMTypeRef printf_type = LLVMFunctionType(LLVMIntType(32), NULL, 0, 1); + func_printf = LLVMAddFunction(module, "printf", printf_type); + } + + params[0] = LLVMBuildGEP(builder, fmtarg, index, 2, ""); + + va_start(arglist, fmt); + for (i = 1; i <= argcount; i++) + params[i] = va_arg(arglist, LLVMValueRef); + va_end(arglist); + + return LLVMBuildCall(builder, func_printf, params, argcount + 1, ""); +} + diff --git a/src/gallium/auxiliary/gallivm/lp_bld_printf.h b/src/gallium/auxiliary/gallivm/lp_bld_printf.h new file mode 100644 index 00000000000..83bd8f1d557 --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_printf.h @@ -0,0 +1,39 @@ +/************************************************************************** + * + * Copyright 2010 VMware, 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"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef LP_BLD_PRINTF_H +#define LP_BLD_PRINTF_H + + +#include "pipe/p_compiler.h" +#include "lp_bld.h" + +LLVMValueRef lp_build_const_string_variable(LLVMModuleRef module, const char *str, int len); +LLVMValueRef lp_build_printf(LLVMBuilderRef builder, const char *fmt, ...); + +#endif + diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c index f160be878f8..95cd6a0ecf3 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c @@ -651,6 +651,19 @@ emit_declaration( unsigned first = decl->Range.First; unsigned last = decl->Range.Last; unsigned idx, i; + LLVMBasicBlockRef current_block = + LLVMGetInsertBlock(bld->base.builder); + LLVMBasicBlockRef first_block = + LLVMGetEntryBasicBlock( + LLVMGetBasicBlockParent(current_block)); + LLVMValueRef first_inst = + LLVMGetFirstInstruction(first_block); + + /* we want alloca's to be the first instruction + * in the function so we need to rewind the builder + * to the very beginning */ + LLVMPositionBuilderBefore(bld->base.builder, + first_inst); for (idx = first; idx <= last; ++idx) { boolean ok; @@ -673,10 +686,15 @@ emit_declaration( ok = TRUE; } - if (!ok) + if (!ok) { + LLVMPositionBuilderAtEnd(bld->base.builder, + current_block); return FALSE; + } } + LLVMPositionBuilderAtEnd(bld->base.builder, + current_block); return TRUE; } |