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authorKostya Serebryany <kcc@google.com>2012-11-01 13:42:40 +0000
committerKostya Serebryany <kcc@google.com>2012-11-01 13:42:40 +0000
commita5f54f14435d881b10d8eb65e19fa42af95757e9 (patch)
tree8e5157a967d142dbe458f78adaf847709730c5e0 /test
parent174fbec3dfdf5e20ad5b75dcfcc709011ddb1a12 (diff)
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[asan] don't instrument globals that we've created ourselves (reduces the binary size a bit)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167230 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll b/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll
new file mode 100644
index 0000000000..28d4ac0c0f
--- /dev/null
+++ b/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll
@@ -0,0 +1,19 @@
+; This test checks that we are not instrumenting globals
+; that we created ourselves.
+; RUN: opt < %s -asan -S | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @_Z3barv() uwtable address_safety {
+entry:
+ %a = alloca i32, align 4
+ call void @_Z3fooPi(i32* %a)
+ ret void
+}
+
+declare void @_Z3fooPi(i32*)
+; We create one global string constant for the stack frame above.
+; Make sure we don't create any other global constants.
+; CHECK: = private constant
+; CHECK-NOT: = private constant