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authorKostya Serebryany <kcc@google.com>2013-02-15 12:46:06 +0000
committerKostya Serebryany <kcc@google.com>2013-02-15 12:46:06 +0000
commit74ecd214e267c9b24d824a6403d2f89aff1a7697 (patch)
tree32d382f723382fb11f2abfa717eeb13338d7a155
parent74b3c8da4800c7e8ba8f019879db29738ecc5f74 (diff)
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[asan] support long double on 64-bit. See https://code.google.com/p/address-sanitizer/issues/detail?id=151
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175266 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Transforms/Instrumentation/AddressSanitizer.cpp2
-rw-r--r--test/Instrumentation/AddressSanitizer/basic.ll9
2 files changed, 10 insertions, 1 deletions
diff --git a/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index b97e342..5769e94 100644
--- a/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -639,7 +639,7 @@ void AddressSanitizer::instrumentMop(Instruction *I) {
Type *OrigTy = cast<PointerType>(OrigPtrTy)->getElementType();
assert(OrigTy->isSized());
- uint32_t TypeSize = TD->getTypeStoreSizeInBits(OrigTy);
+ uint32_t TypeSize = TD->getTypeAllocSizeInBits(OrigTy);
if (TypeSize != 8 && TypeSize != 16 &&
TypeSize != 32 && TypeSize != 64 && TypeSize != 128) {
diff --git a/test/Instrumentation/AddressSanitizer/basic.ll b/test/Instrumentation/AddressSanitizer/basic.ll
index bcea2ce..746caf7 100644
--- a/test/Instrumentation/AddressSanitizer/basic.ll
+++ b/test/Instrumentation/AddressSanitizer/basic.ll
@@ -89,3 +89,12 @@ entry:
; CHECK-NOT: = alloca
; CHECK: ret void
+define void @LongDoubleTest(x86_fp80* nocapture %a) nounwind uwtable address_safety {
+entry:
+ store x86_fp80 0xK3FFF8000000000000000, x86_fp80* %a, align 16
+ ret void
+}
+
+; CHECK: LongDoubleTest
+; CHECK: __asan_report_store16
+; CHECK: ret void