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-rw-r--r--llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
index 2de6e1afaba..8344e087a95 100644
--- a/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
@@ -420,6 +420,8 @@ bool DataFlowSanitizer::doInitialization(Module &M) {
bool IsX86_64 = TargetTriple.getArch() == llvm::Triple::x86_64;
bool IsMIPS64 = TargetTriple.getArch() == llvm::Triple::mips64 ||
TargetTriple.getArch() == llvm::Triple::mips64el;
+ bool IsAArch64 = TargetTriple.getArch() == llvm::Triple::aarch64 ||
+ TargetTriple.getArch() == llvm::Triple::aarch64_be;
const DataLayout &DL = M.getDataLayout();
@@ -434,6 +436,8 @@ bool DataFlowSanitizer::doInitialization(Module &M) {
ShadowPtrMask = ConstantInt::getSigned(IntptrTy, ~0x700000000000LL);
else if (IsMIPS64)
ShadowPtrMask = ConstantInt::getSigned(IntptrTy, ~0xF000000000LL);
+ else if (IsAArch64)
+ ShadowPtrMask = ConstantInt::getSigned(IntptrTy, ~0x7800000000LL);
else
report_fatal_error("unsupported triple");
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