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authorMatt Beaumont-Gay <matthewbg@google.com>2012-12-14 17:55:15 +0000
committerMatt Beaumont-Gay <matthewbg@google.com>2012-12-14 17:55:15 +0000
commit6aed25d93d1cfcde5809a73ffa7dc1b0d6396f66 (patch)
tree57e2fdf1caf960d8d878e0289f32af6759832b49 /test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
parent7139cfb19b1cc28dfd5e274c07ec68835bc6d6d6 (diff)
parent1ad9253c9d34ccbce3e7e4ea5d87c266cbf93410 (diff)
Updating branches/google/stable to r169803
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@170212 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll')
-rw-r--r--test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll47
1 files changed, 44 insertions, 3 deletions
diff --git a/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll b/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
index 472551654e..042c06ba96 100644
--- a/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
+++ b/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
@@ -1,11 +1,15 @@
-; RUN: opt < %s -asan -asan-initialization-order -S | FileCheck %s
+; RUN: opt < %s -asan -asan-module -asan-initialization-order -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"
target triple = "x86_64-unknown-linux-gnu"
-@xxx = global i32 0, align 4
+@xxx = internal global i32 0, align 4 ; With dynamic initializer.
+@XXX = global i32 0, align 4 ; With dynamic initializer.
+@yyy = internal global i32 0, align 4 ; W/o dynamic initializer.
+@YYY = global i32 0, align 4 ; W/o dynamic initializer.
; Clang will emit the following metadata identifying @xxx as dynamically
; initialized.
!0 = metadata !{i32* @xxx}
-!llvm.asan.dynamically_initialized_globals = !{!0}
+!1 = metadata !{i32* @XXX}
+!llvm.asan.dynamically_initialized_globals = !{!0, !1}
define i32 @initializer() uwtable {
entry:
@@ -34,3 +38,40 @@ entry:
; CHECK: call void @__cxx_global_var_init
; CHECK: call void @__asan_after_dynamic_init
; CHECK: ret
+
+; Check that xxx is instrumented.
+define void @touch_xxx() address_safety {
+ store i32 0, i32 *@xxx, align 4
+ ret void
+; CHECK: define void @touch_xxx
+; CHECK: call void @__asan_report_store4
+; CHECK: ret void
+}
+
+; Check that XXX is instrumented.
+define void @touch_XXX() address_safety {
+ store i32 0, i32 *@XXX, align 4
+ ret void
+; CHECK: define void @touch_XXX
+; CHECK: call void @__asan_report_store4
+; CHECK: ret void
+}
+
+
+; Check that yyy is NOT instrumented (as it does not have dynamic initializer).
+define void @touch_yyy() address_safety {
+ store i32 0, i32 *@yyy, align 4
+ ret void
+; CHECK: define void @touch_yyy
+; CHECK-NOT: call void @__asan_report_store4
+; CHECK: ret void
+}
+
+; Check that YYY is NOT instrumented (as it does not have dynamic initializer).
+define void @touch_YYY() address_safety {
+ store i32 0, i32 *@YYY, align 4
+ ret void
+; CHECK: define void @touch_YYY
+; CHECK-NOT: call void @__asan_report_store4
+; CHECK: ret void
+}