diff options
Diffstat (limited to 'lib/mesa/src/amd/common/ac_llvm_util.c')
| -rw-r--r-- | lib/mesa/src/amd/common/ac_llvm_util.c | 153 |
1 files changed, 125 insertions, 28 deletions
diff --git a/lib/mesa/src/amd/common/ac_llvm_util.c b/lib/mesa/src/amd/common/ac_llvm_util.c index a8408dd79..675926ea6 100644 --- a/lib/mesa/src/amd/common/ac_llvm_util.c +++ b/lib/mesa/src/amd/common/ac_llvm_util.c @@ -24,32 +24,39 @@ */ /* based on pieces from si_pipe.c and radeon_llvm_emit.c */ #include "ac_llvm_util.h" - +#include "util/bitscan.h" #include <llvm-c/Core.h> - +#include <llvm-c/Support.h> #include "c11/threads.h" #include <assert.h> #include <stdio.h> +#include <string.h> static void ac_init_llvm_target() { -#if HAVE_LLVM < 0x0307 - LLVMInitializeR600TargetInfo(); - LLVMInitializeR600Target(); - LLVMInitializeR600TargetMC(); - LLVMInitializeR600AsmPrinter(); -#else LLVMInitializeAMDGPUTargetInfo(); LLVMInitializeAMDGPUTarget(); LLVMInitializeAMDGPUTargetMC(); LLVMInitializeAMDGPUAsmPrinter(); -#endif + + /* For inline assembly. */ + LLVMInitializeAMDGPUAsmParser(); + + /* Workaround for bug in llvm 4.0 that causes image intrinsics + * to disappear. + * https://reviews.llvm.org/D26348 + */ + if (HAVE_LLVM >= 0x0400) { + /* "mesa" is the prefix for error messages */ + const char *argv[2] = { "mesa", "-simplifycfg-sink-common=false" }; + LLVMParseCommandLineOptions(2, argv, NULL); + } } static once_flag ac_init_llvm_target_once_flag = ONCE_FLAG_INIT; -static LLVMTargetRef ac_get_llvm_target(const char *triple) +LLVMTargetRef ac_get_llvm_target(const char *triple) { LLVMTargetRef target = NULL; char *err_message = NULL; @@ -96,47 +103,137 @@ static const char *ac_get_llvm_processor_name(enum radeon_family family) return "iceland"; case CHIP_CARRIZO: return "carrizo"; -#if HAVE_LLVM <= 0x0307 - case CHIP_FIJI: - return "tonga"; - case CHIP_STONEY: - return "carrizo"; -#else case CHIP_FIJI: return "fiji"; case CHIP_STONEY: return "stoney"; -#endif -#if HAVE_LLVM <= 0x0308 - case CHIP_POLARIS10: - return "tonga"; - case CHIP_POLARIS11: - return "tonga"; -#else case CHIP_POLARIS10: return "polaris10"; case CHIP_POLARIS11: + case CHIP_POLARIS12: return "polaris11"; -#endif + case CHIP_VEGA10: + case CHIP_RAVEN: + return "gfx900"; default: return ""; } } -LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family) +LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family, enum ac_target_machine_options tm_options) { assert(family >= CHIP_TAHITI); - - const char *triple = "amdgcn--"; + char features[256]; + const char *triple = (tm_options & AC_TM_SUPPORTS_SPILL) ? "amdgcn-mesa-mesa3d" : "amdgcn--"; LLVMTargetRef target = ac_get_llvm_target(triple); + + snprintf(features, sizeof(features), + "+DumpCode,+vgpr-spilling,-fp32-denormals%s", + tm_options & AC_TM_SISCHED ? ",+si-scheduler" : ""); + LLVMTargetMachineRef tm = LLVMCreateTargetMachine( target, triple, ac_get_llvm_processor_name(family), - "+DumpCode,+vgpr-spilling", + features, LLVMCodeGenLevelDefault, LLVMRelocDefault, LLVMCodeModelDefault); return tm; } + + +#if HAVE_LLVM < 0x0400 +static LLVMAttribute ac_attr_to_llvm_attr(enum ac_func_attr attr) +{ + switch (attr) { + case AC_FUNC_ATTR_ALWAYSINLINE: return LLVMAlwaysInlineAttribute; + case AC_FUNC_ATTR_BYVAL: return LLVMByValAttribute; + case AC_FUNC_ATTR_INREG: return LLVMInRegAttribute; + case AC_FUNC_ATTR_NOALIAS: return LLVMNoAliasAttribute; + case AC_FUNC_ATTR_NOUNWIND: return LLVMNoUnwindAttribute; + case AC_FUNC_ATTR_READNONE: return LLVMReadNoneAttribute; + case AC_FUNC_ATTR_READONLY: return LLVMReadOnlyAttribute; + default: + fprintf(stderr, "Unhandled function attribute: %x\n", attr); + return 0; + } +} + +#else + +static const char *attr_to_str(enum ac_func_attr attr) +{ + switch (attr) { + case AC_FUNC_ATTR_ALWAYSINLINE: return "alwaysinline"; + case AC_FUNC_ATTR_BYVAL: return "byval"; + case AC_FUNC_ATTR_INREG: return "inreg"; + case AC_FUNC_ATTR_NOALIAS: return "noalias"; + case AC_FUNC_ATTR_NOUNWIND: return "nounwind"; + case AC_FUNC_ATTR_READNONE: return "readnone"; + case AC_FUNC_ATTR_READONLY: return "readonly"; + case AC_FUNC_ATTR_WRITEONLY: return "writeonly"; + case AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY: return "inaccessiblememonly"; + case AC_FUNC_ATTR_CONVERGENT: return "convergent"; + default: + fprintf(stderr, "Unhandled function attribute: %x\n", attr); + return 0; + } +} + +#endif + +void +ac_add_function_attr(LLVMContextRef ctx, LLVMValueRef function, + int attr_idx, enum ac_func_attr attr) +{ +#if HAVE_LLVM < 0x0400 + LLVMAttribute llvm_attr = ac_attr_to_llvm_attr(attr); + if (attr_idx == -1) { + LLVMAddFunctionAttr(function, llvm_attr); + } else { + LLVMAddAttribute(LLVMGetParam(function, attr_idx - 1), llvm_attr); + } +#else + const char *attr_name = attr_to_str(attr); + unsigned kind_id = LLVMGetEnumAttributeKindForName(attr_name, + strlen(attr_name)); + LLVMAttributeRef llvm_attr = LLVMCreateEnumAttribute(ctx, kind_id, 0); + + if (LLVMIsAFunction(function)) + LLVMAddAttributeAtIndex(function, attr_idx, llvm_attr); + else + LLVMAddCallSiteAttribute(function, attr_idx, llvm_attr); +#endif +} + +void ac_add_func_attributes(LLVMContextRef ctx, LLVMValueRef function, + unsigned attrib_mask) +{ + attrib_mask |= AC_FUNC_ATTR_NOUNWIND; + attrib_mask &= ~AC_FUNC_ATTR_LEGACY; + + while (attrib_mask) { + enum ac_func_attr attr = 1u << u_bit_scan(&attrib_mask); + ac_add_function_attr(ctx, function, -1, attr); + } +} + +void +ac_dump_module(LLVMModuleRef module) +{ + char *str = LLVMPrintModuleToString(module); + fprintf(stderr, "%s", str); + LLVMDisposeMessage(str); +} + +void +ac_llvm_add_target_dep_function_attr(LLVMValueRef F, + const char *name, int value) +{ + char str[16]; + + snprintf(str, sizeof(str), "%i", value); + LLVMAddTargetDependentFunctionAttr(F, name, str); +} |