[PATCH] D66697: hwasan, codegen: Keep more lifetime markers used for hwasan

[Vitaly Buka via Phabricator via cfe-commits]

vitalybuka created this revision.
vitalybuka added a reviewer: eugenis.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
vitalybuka added a parent revision: D66695: msan, codegen, instcombine: Keep more lifetime markers used for msan.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D66697

Files:
  clang/lib/CodeGen/CGExpr.cpp
  clang/lib/CodeGen/CodeGenFunction.cpp
  clang/test/CodeGen/lifetime-sanitizer.c
  clang/test/CodeGenCXX/lifetime-sanitizer.cpp


Index: clang/test/CodeGenCXX/lifetime-sanitizer.cpp
===================================================================
--- clang/test/CodeGenCXX/lifetime-sanitizer.cpp
+++ clang/test/CodeGenCXX/lifetime-sanitizer.cpp
@@ -6,6 +6,9 @@
 // RUN: %clang -w -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
 // RUN:     -fsanitize=memory %s | \
 // RUN:     FileCheck %s -check-prefixes=CHECK,LIFETIME
+// RUN: %clang -w -target aarch64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
+// RUN:     -fsanitize=hwaddress %s | \
+// RUN:     FileCheck %s -check-prefixes=CHECK,LIFETIME
 
 extern int bar(char *A, int n);
 
Index: clang/test/CodeGen/lifetime-sanitizer.c
===================================================================
--- clang/test/CodeGen/lifetime-sanitizer.c
+++ clang/test/CodeGen/lifetime-sanitizer.c
@@ -5,6 +5,9 @@
 // RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -O0 \
 // RUN:     -fsanitize=memory %s | \
 // RUN:     FileCheck %s -check-prefix=LIFETIME
+// RUN: %clang -target aarch64-linux-gnu -S -emit-llvm -o - -O0 \
+// RUN:     -fsanitize=hwaddress %s | \
+// RUN:     FileCheck %s -check-prefix=LIFETIME
 
 extern int bar(char *A, int n);
 
Index: clang/lib/CodeGen/CodeGenFunction.cpp
===================================================================
--- clang/lib/CodeGen/CodeGenFunction.cpp
+++ clang/lib/CodeGen/CodeGenFunction.cpp
@@ -49,6 +49,7 @@
 
   // Sanitizers may use markers.
   if (CGOpts.SanitizeAddressUseAfterScope ||
+      LangOpts.Sanitize.has(SanitizerKind::HWAddress) ||
       LangOpts.Sanitize.has(SanitizerKind::Memory))
     return true;
 
Index: clang/lib/CodeGen/CGExpr.cpp
===================================================================
--- clang/lib/CodeGen/CGExpr.cpp
+++ clang/lib/CodeGen/CGExpr.cpp
@@ -521,6 +521,7 @@
       ConditionalEvaluation *OldConditional = nullptr;
       CGBuilderTy::InsertPoint OldIP;
       if (isInConditionalBranch() && !E->getType().isDestructedType() &&
+          !SanOpts.has(SanitizerKind::HWAddress) &&
           !SanOpts.has(SanitizerKind::Memory) &&
           !CGM.getCodeGenOpts().SanitizeAddressUseAfterScope) {
         OldConditional = OutermostConditional;


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