[PATCH] D35505: Add element-atomic mem intrinsic canary tests for Address Sanitizer.
Daniel Neilson via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 17 18:07:24 PDT 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL308248: Add element-atomic mem intrinsic canary tests for Address Sanitizer. (authored by dneilson).
Repository:
rL LLVM
https://reviews.llvm.org/D35505
Files:
llvm/trunk/test/Instrumentation/AddressSanitizer/basic.ll
Index: llvm/trunk/test/Instrumentation/AddressSanitizer/basic.ll
===================================================================
--- llvm/trunk/test/Instrumentation/AddressSanitizer/basic.ll
+++ llvm/trunk/test/Instrumentation/AddressSanitizer/basic.ll
@@ -170,6 +170,26 @@
; CHECK: __asan_memcpy
; CHECK: ret void
+declare void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* nocapture writeonly, i8, i64, i32) nounwind
+declare void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32) nounwind
+declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32) nounwind
+
+define void @memintr_element_atomic_test(i8* %a, i8* %b) nounwind uwtable sanitize_address {
+ ; This is a canary test to make sure that these don't get lowered into calls that don't
+ ; have the element-atomic property. Eventually, asan will have to be enhanced to lower
+ ; these properly.
+ ; CHECK-LABEL: memintr_element_atomic_test
+ ; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 1 %a, i8 0, i64 100, i32 1)
+ ; CHECK-NEXT: tail call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %a, i8* align 1 %b, i64 100, i32 1)
+ ; CHECK-NEXT: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %a, i8* align 1 %b, i64 100, i32 1)
+ ; CHECK-NEXT: ret void
+ tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 1 %a, i8 0, i64 100, i32 1)
+ tail call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %a, i8* align 1 %b, i64 100, i32 1)
+ tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %a, i8* align 1 %b, i64 100, i32 1)
+ ret void
+}
+
+
; CHECK-LABEL: @test_swifterror
; CHECK-NOT: __asan_report_load
; CHECK: ret void
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