msan, codegen, instcombine: Keep more lifetime markers used for msan
Reviewers: eugenis
Subscribers: hiraditya, cfe-commits, #sanitizers, llvm-commits
Tags: #clang, #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D66695
llvm-svn: 369979
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
index 4b3333a..1802e8c 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -3885,6 +3885,7 @@
// Asan needs to poison memory to detect invalid access which is possible
// even for empty lifetime range.
if (II->getFunction()->hasFnAttribute(Attribute::SanitizeAddress) ||
+ II->getFunction()->hasFnAttribute(Attribute::SanitizeMemory) ||
II->getFunction()->hasFnAttribute(Attribute::SanitizeHWAddress))
break;