Remove stale code.

3 files changed, 0 insertions, 167 deletions

diff --git a/source/binary.h b/source/binary.h
index 7155597e..923a834d 100644
--- a/source/binary.h
+++ b/source/binary.h
@@ -39,14 +39,4 @@ spv_result_t spvBinaryHeaderGet(const spv_const_binary binary,
                                 const spv_endianness_t endian,
                                 spv_header_t* header);
 
-// Determines the desired type of an operand. The operand's value is word, and
-// is the index-th word in the instruction described by the opcode_entry opcode
-// table entry. On success, returns SPV_SUCCESS and writes a handle of the
-// operand table entry for this operand into *operand_entry.
-spv_operand_type_t spvBinaryOperandInfo(const uint32_t word,
-                                        const uint16_t index,
-                                        const spv_opcode_desc opcode_entry,
-                                        const spv_operand_table operand_table,
-                                        spv_operand_desc* operand_entry);
-
 #endif  // LIBSPIRV_BINARY_H_
diff --git a/source/opcode.h b/source/opcode.h
index e6ff14a2..786c1f4a 100644
--- a/source/opcode.h
+++ b/source/opcode.h
@@ -83,21 +83,10 @@ int32_t spvOpcodeIsConstant(const SpvOp opcode);
 // non-zero otherwise.
 int32_t spvOpcodeIsComposite(const SpvOp opcode);
 
-// Deep equal comparison of type declaration instructions. Returns zero if
-// false, non-zero otherwise.
-int32_t spvOpcodeAreTypesEqual(const spv_instruction_t* type_inst0,
-                               const spv_instruction_t* type_inst1);
-
 // Determines if the given opcode results in a pointer. Returns zero if false,
 // non-zero otherwise.
 int32_t spvOpcodeIsPointer(const SpvOp opcode);
 
-// Determines if an instruction is in a basic block. The first_inst parameter
-// specifies the first instruction in the stream, while the inst parameter
-// specifies the current instruction. Returns zero if false, non-zero otherwise.
-int32_t spvInstructionIsInBasicBlock(const spv_instruction_t* first_inst,
-                                     const spv_instruction_t* inst);
-
 // Determines if the given opcode generates a type. Returns zero if false,
 // non-zero otherwise.
 int32_t spvOpcodeGeneratesType(SpvOp opcode);
diff --git a/source/validate.cpp b/source/validate.cpp
index 35128645..e7065419 100644
--- a/source/validate.cpp
+++ b/source/validate.cpp
@@ -59,152 +59,6 @@ using libspirv::ModuleLayoutPass;
 using libspirv::SsaPass;
 using libspirv::ValidationState_t;
 
-#if 0
-spv_result_t spvValidateOperandsString(const uint32_t* words,
-                                       const uint16_t wordCount,
-                                       spv_position position,
-                                       spv_diagnostic* pDiagnostic) {
-  const char* str = (const char*)words;
-  uint64_t strWordCount = strlen(str) / sizeof(uint32_t) + 1;
-  if (strWordCount < wordCount) {
-    DIAGNOSTIC << "Instruction word count is too short, string extends past "
-                  "end of instruction.";
-    return SPV_WARNING;
-  }
-  return SPV_SUCCESS;
-}
-
-spv_result_t spvValidateOperandsLiteral(const uint32_t* words,
-                                        const uint32_t length,
-                                        const uint16_t maxLength,
-                                        spv_position position,
-                                        spv_diagnostic* pDiagnostic) {
-  // NOTE: A literal could either be a number consuming up to 2 words or a
-  // null terminated string.
-  (void)words;
-  (void)length;
-  (void)maxLength;
-  (void)position;
-  (void)pDiagnostic;
-  return SPV_UNSUPPORTED;
-}
-
-spv_result_t spvValidateOperandValue(const spv_operand_type_t type,
-                                     const uint32_t word,
-                                     const spv_operand_table operandTable,
-                                     spv_position position,
-                                     spv_diagnostic* pDiagnostic) {
-  switch (type) {
-    case SPV_OPERAND_TYPE_ID:
-    case SPV_OPERAND_TYPE_TYPE_ID:
-    case SPV_OPERAND_TYPE_RESULT_ID:
-    case SPV_OPERAND_TYPE_MEMORY_SEMANTICS_ID:
-    case SPV_OPERAND_TYPE_SCOPE_ID: {
-      // NOTE: ID's are validated in SPV_VALIDATION_LEVEL_1, this is
-      // SPV_VALIDATION_LEVEL_0
-    } break;
-    case SPV_OPERAND_TYPE_LITERAL_INTEGER: {
-      // NOTE: Implicitly valid as they are encoded as 32 bit value
-    } break;
-    case SPV_OPERAND_TYPE_SOURCE_LANGUAGE:
-    case SPV_OPERAND_TYPE_EXECUTION_MODEL:
-    case SPV_OPERAND_TYPE_ADDRESSING_MODEL:
-    case SPV_OPERAND_TYPE_MEMORY_MODEL:
-    case SPV_OPERAND_TYPE_EXECUTION_MODE:
-    case SPV_OPERAND_TYPE_STORAGE_CLASS:
-    case SPV_OPERAND_TYPE_DIMENSIONALITY:
-    case SPV_OPERAND_TYPE_SAMPLER_ADDRESSING_MODE:
-    case SPV_OPERAND_TYPE_SAMPLER_FILTER_MODE:
-    case SPV_OPERAND_TYPE_FP_FAST_MATH_MODE:
-    case SPV_OPERAND_TYPE_FP_ROUNDING_MODE:
-    case SPV_OPERAND_TYPE_LINKAGE_TYPE:
-    case SPV_OPERAND_TYPE_ACCESS_QUALIFIER:
-    case SPV_OPERAND_TYPE_FUNCTION_PARAMETER_ATTRIBUTE:
-    case SPV_OPERAND_TYPE_DECORATION:
-    case SPV_OPERAND_TYPE_BUILT_IN:
-    case SPV_OPERAND_TYPE_SELECTION_CONTROL:
-    case SPV_OPERAND_TYPE_LOOP_CONTROL:
-    case SPV_OPERAND_TYPE_FUNCTION_CONTROL:
-    case SPV_OPERAND_TYPE_MEMORY_SEMANTICS_ID:
-    case SPV_OPERAND_TYPE_OPTIONAL_MEMORY_ACCESS:
-    case SPV_OPERAND_TYPE_SCOPE_ID:
-    case SPV_OPERAND_TYPE_GROUP_OPERATION:
-    case SPV_OPERAND_TYPE_KERNEL_ENQ_FLAGS:
-    case SPV_OPERAND_TYPE_KERNEL_PROFILING_INFO: {
-      spv_operand_desc operandEntry = nullptr;
-      spv_result_t error =
-          spvOperandTableValueLookup(operandTable, type, word, &operandEntry);
-      if (error) {
-        DIAGNOSTIC << "Invalid '" << spvOperandTypeStr(type) << "' operand '"
-                   << word << "'.";
-        return error;
-      }
-    } break;
-    default:
-      assert(0 && "Invalid operand types should already have been caught!");
-  }
-  return SPV_SUCCESS;
-}
-
-spv_result_t spvValidateBasic(const spv_instruction_t* pInsts,
-                              const uint64_t instCount,
-                              const spv_opcode_table opcodeTable,
-                              const spv_operand_table operandTable,
-                              spv_position position,
-                              spv_diagnostic* pDiagnostic) {
-  for (uint64_t instIndex = 0; instIndex < instCount; ++instIndex) {
-    const uint32_t* words = pInsts[instIndex].words.data();
-    uint16_t wordCount;
-    SpvOp opcode;
-    spvOpcodeSplit(words[0], &wordCount, &opcode);
-
-    spv_opcode_desc opcodeEntry = nullptr;
-    if (spvOpcodeTableValueLookup(opcodeTable, opcode, &opcodeEntry)) {
-      DIAGNOSTIC << "Invalid Opcode '" << opcode << "'.";
-      return SPV_ERROR_INVALID_BINARY;
-    }
-    position->index++;
-
-    if (opcodeEntry->numTypes > wordCount) {
-      DIAGNOSTIC << "Instruction word count '" << wordCount
-                 << "' is not small, expected at least '"
-                 << opcodeEntry->numTypes << "'.";
-      return SPV_ERROR_INVALID_BINARY;
-    }
-
-    spv_operand_desc operandEntry = nullptr;
-    for (uint16_t index = 1; index < pInsts[instIndex].words.size();
-         ++index, position->index++) {
-      const uint32_t word = words[index];
-
-      // TODO(dneto): This strategy is inadequate for dealing with operations
-      // with varying kinds or numbers of logical operands.  See the definition
-      // of spvBinaryOperandInfo for more.
-      // We should really parse the instruction and capture and use
-      // the elaborated list of logical operands generated as a side effect
-      // of the parse.
-      spv_operand_type_t type = spvBinaryOperandInfo(
-          word, index, opcodeEntry, operandTable, &operandEntry);
-
-      if (SPV_OPERAND_TYPE_LITERAL_STRING == type) {
-        spvCheckReturn(spvValidateOperandsString(
-            words + index, wordCount - index, position, pDiagnostic));
-        // NOTE: String literals are always at the end of Opcodes
-        break;
-      } else if (SPV_OPERAND_TYPE_LITERAL_INTEGER == type) {
-        // spvCheckReturn(spvValidateOperandsNumber(
-        //    words + index, wordCount - index, 2, position, pDiagnostic));
-      } else {
-        spvCheckReturn(spvValidateOperandValue(type, word, operandTable,
-                                               position, pDiagnostic));
-      }
-    }
-  }
-
-  return SPV_SUCCESS;
-}
-#endif
-
 spv_result_t spvValidateIDs(
     const spv_instruction_t* pInsts, const uint64_t count,
     const spv_opcode_table opcodeTable, const spv_operand_table operandTable,