Safe heap pass (#1145)

Adds --safe-heap which instruments the code to check heap loads and stores for validity (null pointer derefs, within range of valid sbrk memory, and alignment). Used in SAFE_HEAP in emscripten.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/passes/pass.cpp b/src/passes/pass.cpp
index 1e56169df..4ffd74047 100644
--- a/src/passes/pass.cpp
+++ b/src/passes/pass.cpp
@@ -101,6 +101,7 @@ void PassRegistry::registerPasses() {
   registerPass("reorder-locals", "sorts locals by access frequency", createReorderLocalsPass);
   registerPass("rereloop", "re-optimize control flow using the relooper algorithm", createReReloopPass);
   registerPass("simplify-locals", "miscellaneous locals-related optimizations", createSimplifyLocalsPass);
+  registerPass("safe-heap", "instrument loads and stores to check for invalid behavior", createSafeHeapPass);
   registerPass("simplify-locals-notee", "miscellaneous locals-related optimizations", createSimplifyLocalsNoTeePass);
   registerPass("simplify-locals-nostructure", "miscellaneous locals-related optimizations", createSimplifyLocalsNoStructurePass);
   registerPass("simplify-locals-notee-nostructure", "miscellaneous locals-related optimizations", createSimplifyLocalsNoTeeNoStructurePass);