Kill dead stores.

[simgrid.git] / src / mc / compare.cpp

diff --git a/src/mc/compare.cpp b/src/mc/compare.cpp
index e8457a3..6416733 100644 (file)
--- a/src/mc/compare.cpp
+++ b/src/mc/compare.cpp
@@ -3,7 +3,7 @@
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
-/** \file compare.cpp Memory snapshooting and comparison                    */
+/** \file compare.cpp Memory snapshotting and comparison                    */
 
 #include "src/mc/mc_config.hpp"
 #include "src/mc/mc_private.hpp"
@@ -254,10 +254,7 @@ static bool mmalloc_heap_differ(simgrid::mc::StateComparator& state, const simgr
       continue;
     }
 
-    if (heapinfo1->type < 0) {
-      fprintf(stderr, "Unkown mmalloc block type.\n");
-      abort();
-    }
+    xbt_assert(heapinfo1->type >= 0, "Unkown mmalloc block type: %d", heapinfo1->type);
 
     void* addr_block1 = ((void*)(((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase));
 
@@ -371,10 +368,7 @@ static bool mmalloc_heap_differ(simgrid::mc::StateComparator& state, const simgr
             continue;
           }
 
-          if (heapinfo2b->type < 0) {
-            fprintf(stderr, "Unknown mmalloc block type.\n");
-            abort();
-          }
+          xbt_assert(heapinfo2b->type >= 0, "Unkown mmalloc block type: %d", heapinfo2b->type);
 
           for (size_t j2 = 0; j2 < (size_t)(BLOCKSIZE >> heapinfo2b->type); j2++) {
 
@@ -480,7 +474,6 @@ static bool heap_area_differ_without_type(simgrid::mc::StateComparator& state, c
         ssize_t ignore2 = heap_comparison_ignore_size(state.processStates[1].to_ignore, (const char*)real_area2 + i);
         if (ignore2 == ignore1) {
           if (ignore1 == 0) {
-            check_ignore--;
             return false;
           } else {
             i = i + ignore2;
@@ -495,8 +488,8 @@ static bool heap_area_differ_without_type(simgrid::mc::StateComparator& state, c
                                   1) != 0) {
 
       int pointer_align = (i / sizeof(void *)) * sizeof(void *);
-      const void* addr_pointed1 = snapshot1.read(remote((void**)((const char*)real_area1 + pointer_align)));
-      const void* addr_pointed2 = snapshot2.read(remote((void**)((const char*)real_area2 + pointer_align)));
+      const void* addr_pointed1 = snapshot1.read(remote((void* const*)((const char*)real_area1 + pointer_align)));
+      const void* addr_pointed2 = snapshot2.read(remote((void* const*)((const char*)real_area2 + pointer_align)));
 
       if (process.in_maestro_stack(remote(addr_pointed1)) && process.in_maestro_stack(remote(addr_pointed2))) {
         i = pointer_align + sizeof(void *);
@@ -539,7 +532,7 @@ static bool heap_area_differ_with_type(simgrid::mc::StateComparator& state, cons
                                        const simgrid::mc::Snapshot& snapshot2, HeapLocationPairs* previous,
                                        simgrid::mc::Type* type, int area_size, int check_ignore, int pointer_level)
 {
-  // HACK: This should not happen but in pratice, there are some
+  // HACK: This should not happen but in practice, there are some
   // DW_TAG_typedef without an associated DW_AT_type:
   //<1><538832>: Abbrev Number: 111 (DW_TAG_typedef)
   //    <538833>   DW_AT_name        : (indirect string, offset: 0x2292f3): gregset_t
@@ -695,7 +688,6 @@ static bool heap_area_differ_with_type(simgrid::mc::StateComparator& state, cons
     default:
       THROW_IMPOSSIBLE;
   }
-  return false;
 }
 
 /** Infer the type of a part of the block from the type of the block
@@ -712,7 +704,7 @@ static simgrid::mc::Type* get_offset_type(void* real_base_address, simgrid::mc::
                                           const simgrid::mc::Snapshot& snapshot)
 {
 
-  // Beginning of the block, the infered variable type if the type of the block:
+  // Beginning of the block, the inferred variable type if the type of the block:
   if (offset == 0)
     return type;
 
@@ -1098,8 +1090,8 @@ static bool areas_differ_with_type(simgrid::mc::StateComparator& state, const vo
       }
       for (i = 0; i < type->element_count; i++) {
         size_t off = i * elm_size;
-        if (areas_differ_with_type(state, (char*)real_area1 + off, snapshot1, region1, (char*)real_area2 + off,
-                                   snapshot2, region2, type->subtype, pointer_level))
+        if (areas_differ_with_type(state, (const char*)real_area1 + off, snapshot1, region1,
+                                   (const char*)real_area2 + off, snapshot2, region2, type->subtype, pointer_level))
           return true;
       }
       break;