1 files changed, 19 insertions, 9 deletions
diff --git a/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll b/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
index 83ff53f..c2bb0aa 100644
--- a/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
+++ b/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll
@@ -7,10 +7,10 @@ target triple = "x86_64-unknown-linux-gnu"
 @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, null, i1 true, i1 false}
-!1 = metadata !{i32* @XXX, null, i1 true, i1 false}
-!2 = metadata !{i32* @yyy, null, i1 false, i1 false}
-!3 = metadata !{i32* @YYY, null, i1 false, i1 false}
+!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 {
@@ -25,29 +25,39 @@ entry:
   ret void
 }
 
-@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
+@llvm.global_ctors = appending global [2 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @__late_ctor }, { i32, void ()* } { i32 0, void ()* @__early_ctor }]
 
-define internal void @_GLOBAL__I_a() sanitize_address section ".text.startup" {
+define internal void @__late_ctor() sanitize_address section ".text.startup" {
 entry:
   call void @__cxx_global_var_init()
   ret void
 }
 
 ; Clang indicated that @xxx was dynamically initailized.
-; __asan_{before,after}_dynamic_init should be called from _GLOBAL__I_a
+; __asan_{before,after}_dynamic_init should be called from __late_ctor
 
-; CHECK: define internal void @_GLOBAL__I_a
+; CHECK-LABEL: define internal void @__late_ctor
 ; CHECK-NOT: ret
 ; CHECK: call void @__asan_before_dynamic_init
 ; CHECK: call void @__cxx_global_var_init
 ; CHECK: call void @__asan_after_dynamic_init
 ; CHECK: ret
 
+; CTOR with priority 0 should not be instrumented.
+define internal void @__early_ctor() sanitize_address section ".text.startup" {
+entry:
+  call void @__cxx_global_var_init()
+  ret void
+}
+; CHECK-LABEL: define internal void @__early_ctor
+; CHECK-NOT: __asan
+; 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-LABEL: touch_xxx
 ; CHECK: call void @__asan_report_store4
 ; CHECK: ret void
 }