tools/llvm-c-test/attributes.c

   1 /*===-- attributes.c - tool for testing libLLVM and llvm-c API ------------===*\
   2 |*                                                                            *|
   3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
   4 |* Exceptions.                                                                *|
   5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
   6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
   7 |*                                                                            *|
   8 |*===----------------------------------------------------------------------===*|
   9 |*                                                                            *|
  10 |* This file implements the --test-attributes and --test-callsite-attributes  *|
  11 |* commands in llvm-c-test.                                                   *|
  12 |*                                                                            *|
  13 \*===----------------------------------------------------------------------===*/
  14
  15 #include "llvm-c-test.h"
  16
  17 #include <assert.h>
  18 #include <stdlib.h>
  19
  20 int llvm_test_function_attributes(void) {
  21   LLVMEnablePrettyStackTrace();
  22
  23   LLVMModuleRef M = llvm_load_module(false, true);
  24
  25   LLVMValueRef F = LLVMGetFirstFunction(M);
  26   while (F) {
  27     // Read attributes
  28     int Idx, ParamCount;
  29     for (Idx = LLVMAttributeFunctionIndex, ParamCount = LLVMCountParams(F);
  30          Idx <= ParamCount; ++Idx) {
  31       int AttrCount = LLVMGetAttributeCountAtIndex(F, Idx);
  32       LLVMAttributeRef *Attrs =
  33           (LLVMAttributeRef *)malloc(AttrCount * sizeof(LLVMAttributeRef));
  34       assert(Attrs);
  35       LLVMGetAttributesAtIndex(F, Idx, Attrs);
  36       free(Attrs);
  37     }
  38     F = LLVMGetNextFunction(F);
  39   }
  40
  41   LLVMDisposeModule(M);
  42
  43   return 0;
  44 }
  45
  46 int llvm_test_callsite_attributes(void) {
  47   LLVMEnablePrettyStackTrace();
  48
  49   LLVMModuleRef M = llvm_load_module(false, true);
  50
  51   LLVMValueRef F = LLVMGetFirstFunction(M);
  52   while (F) {
  53     LLVMBasicBlockRef BB;
  54     for (BB = LLVMGetFirstBasicBlock(F); BB; BB = LLVMGetNextBasicBlock(BB)) {
  55       LLVMValueRef I;
  56       for (I = LLVMGetFirstInstruction(BB); I; I = LLVMGetNextInstruction(I)) {
  57         if (LLVMIsACallInst(I)) {
  58           // Read attributes
  59           int Idx, ParamCount;
  60           for (Idx = LLVMAttributeFunctionIndex,
  61               ParamCount = LLVMCountParams(F);
  62                Idx <= ParamCount; ++Idx) {
  63             int AttrCount = LLVMGetCallSiteAttributeCount(I, Idx);
  64             LLVMAttributeRef *Attrs = (LLVMAttributeRef *)malloc(
  65                 AttrCount * sizeof(LLVMAttributeRef));
  66             assert(Attrs);
  67             LLVMGetCallSiteAttributes(I, Idx, Attrs);
  68             free(Attrs);
  69           }
  70         }
  71       }
  72     }
  73
  74     F = LLVMGetNextFunction(F);
  75   }
  76
  77   LLVMDisposeModule(M);
  78
  79   return 0;
  80 }