[asan-assembly-instrumentation] Prologue and epilogue are moved out from InstrumentMe...

[oota-llvm.git] / test / Instrumentation / AddressSanitizer / instrument_initializer_metadata.ll

diff --git a/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll b/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
index 472551654e539e58f78ee7f59d240736b13bf164..c119879351a933f048f6c39afaecbcedd8e64f8b 100644 (file)
--- a/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
+++ b/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
@@ -1,11 +1,17 @@
-; RUN: opt < %s -asan -asan-initialization-order -S | FileCheck %s
+; RUN: opt < %s -asan -asan-module -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}
+!0 = metadata !{i32* @xxx, null, null, i1 true, i1 false}
+!1 = metadata !{i32* @XXX, null, null, i1 true, i1 false}
+!2 = metadata !{i32* @yyy, null, null, i1 false, i1 false}
+!3 = metadata !{i32* @YYY, null, null, i1 false, i1 false}
+!llvm.asan.globals = !{!0, !1, !2, !3}
 
 define i32 @initializer() uwtable {
 entry:
@@ -19,7 +25,9 @@ entry:
   ret void
 }
 
-define internal void @_GLOBAL__I_a() address_safety section ".text.startup" {
+@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
+
+define internal void @_GLOBAL__I_a() sanitize_address section ".text.startup" {
 entry:
   call void @__cxx_global_var_init()
   ret void
@@ -34,3 +42,40 @@ 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() sanitize_address {
+  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() sanitize_address {
+  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() sanitize_address {
+  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() sanitize_address {
+  store i32 0, i32 *@YYY, align 4
+  ret void
+; CHECK: define void @touch_YYY
+; CHECK-NOT: call void @__asan_report_store4
+; CHECK: ret void
+}