| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-attributes --check-globals --version 2 |
| // RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=covered -fexperimental-sanitize-metadata=atomics -fexperimental-sanitize-metadata=uar -triple x86_64-gnu-linux -x c -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK |
| |
| //. |
| // CHECK: @__start_sanmd_covered = extern_weak hidden global ptr |
| // CHECK: @__stop_sanmd_covered = extern_weak hidden global ptr |
| // CHECK: @__start_sanmd_atomics = extern_weak hidden global ptr |
| // CHECK: @__stop_sanmd_atomics = extern_weak hidden global ptr |
| // CHECK: @llvm.used = appending global [4 x ptr] [ptr @__sanitizer_metadata_covered.module_ctor, ptr @__sanitizer_metadata_covered.module_dtor, ptr @__sanitizer_metadata_atomics.module_ctor, ptr @__sanitizer_metadata_atomics.module_dtor], section "llvm.metadata" |
| // CHECK: @llvm.global_ctors = appending global [2 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 2, ptr @__sanitizer_metadata_covered.module_ctor, ptr @__sanitizer_metadata_covered.module_ctor }, { i32, ptr, ptr } { i32 2, ptr @__sanitizer_metadata_atomics.module_ctor, ptr @__sanitizer_metadata_atomics.module_ctor }] |
| // CHECK: @llvm.global_dtors = appending global [2 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 2, ptr @__sanitizer_metadata_covered.module_dtor, ptr @__sanitizer_metadata_covered.module_dtor }, { i32, ptr, ptr } { i32 2, ptr @__sanitizer_metadata_atomics.module_dtor, ptr @__sanitizer_metadata_atomics.module_dtor }] |
| //. |
| // CHECK: Function Attrs: mustprogress nofree noinline norecurse nosync nounwind willreturn memory(write, argmem: none, inaccessiblemem: none) |
| // CHECK-LABEL: define dso_local void @escape |
| // CHECK-SAME: (ptr noundef [[P:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] !pcsections !2 { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| __attribute__((noinline, not_tail_called)) void escape(const volatile void *p) { |
| static const volatile void *sink; |
| sink = p; |
| } |
| |
| // CHECK: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) |
| // CHECK-LABEL: define dso_local i32 @normal_function |
| // CHECK-SAME: (ptr noundef [[X:%.*]], ptr nocapture noundef readonly [[Y:%.*]]) local_unnamed_addr #[[ATTR1:[0-9]+]] !pcsections !4 { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8, !tbaa [[TBAA6:![0-9]+]] |
| // CHECK-NEXT: store atomic i32 1, ptr [[X]] monotonic, align 4, !pcsections !10 |
| // CHECK-NEXT: notail call void @escape(ptr noundef nonnull [[X_ADDR]]) |
| // CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[TBAA11:![0-9]+]] |
| // CHECK-NEXT: ret i32 [[TMP0]] |
| // |
| int normal_function(int *x, int *y) { |
| __atomic_store_n(x, 1, __ATOMIC_RELAXED); |
| escape(&x); |
| return *y; |
| } |
| |
| // CHECK: Function Attrs: disable_sanitizer_instrumentation mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) |
| // CHECK-LABEL: define dso_local i32 @test_disable_sanitize_instrumentation |
| // CHECK-SAME: (ptr noundef [[X:%.*]], ptr nocapture noundef readonly [[Y:%.*]]) local_unnamed_addr #[[ATTR2:[0-9]+]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8, !tbaa [[TBAA6]] |
| // CHECK-NEXT: store atomic i32 1, ptr [[X]] monotonic, align 4 |
| // CHECK-NEXT: notail call void @escape(ptr noundef nonnull [[X_ADDR]]) |
| // CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[TBAA11]] |
| // CHECK-NEXT: ret i32 [[TMP0]] |
| // |
| __attribute__((disable_sanitizer_instrumentation)) int test_disable_sanitize_instrumentation(int *x, int *y) { |
| __atomic_store_n(x, 1, __ATOMIC_RELAXED); |
| escape(&x); |
| return *y; |
| } |
| |
| // CHECK: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) |
| // CHECK-LABEL: define dso_local i32 @test_no_sanitize_thread |
| // CHECK-SAME: (ptr noundef [[X:%.*]], ptr nocapture noundef readonly [[Y:%.*]]) local_unnamed_addr #[[ATTR3:[0-9]+]] !pcsections !13 { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8, !tbaa [[TBAA6]] |
| // CHECK-NEXT: store atomic i32 1, ptr [[X]] monotonic, align 4, !pcsections !10 |
| // CHECK-NEXT: notail call void @escape(ptr noundef nonnull [[X_ADDR]]) |
| // CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[TBAA11]] |
| // CHECK-NEXT: ret i32 [[TMP0]] |
| // |
| __attribute__((no_sanitize("thread"))) int test_no_sanitize_thread(int *x, int *y) { |
| __atomic_store_n(x, 1, __ATOMIC_RELAXED); |
| escape(&x); |
| return *y; |
| } |
| |
| // CHECK: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) |
| // CHECK-LABEL: define dso_local i32 @test_no_sanitize_all |
| // CHECK-SAME: (ptr noundef [[X:%.*]], ptr nocapture noundef readonly [[Y:%.*]]) local_unnamed_addr #[[ATTR3]] !pcsections !13 { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8, !tbaa [[TBAA6]] |
| // CHECK-NEXT: store atomic i32 1, ptr [[X]] monotonic, align 4, !pcsections !10 |
| // CHECK-NEXT: notail call void @escape(ptr noundef nonnull [[X_ADDR]]) |
| // CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[TBAA11]] |
| // CHECK-NEXT: ret i32 [[TMP0]] |
| // |
| __attribute__((no_sanitize("all"))) int test_no_sanitize_all(int *x, int *y) { |
| __atomic_store_n(x, 1, __ATOMIC_RELAXED); |
| escape(&x); |
| return *y; |
| } |
| //. |
| // CHECK: attributes #0 = { mustprogress nofree noinline norecurse nosync nounwind willreturn memory(write, argmem: none, inaccessiblemem: none) "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" } |
| // CHECK: attributes #1 = { mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" } |
| // CHECK: attributes #2 = { disable_sanitizer_instrumentation mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" } |
| // CHECK: attributes #3 = { mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) "min-legal-vector-width"="0" "no-trapping-math"="true" "no_sanitize_thread" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" } |
| // CHECK: attributes #4 = { nounwind } |
| //. |
| // CHECK: !2 = !{!"sanmd_covered!C", !3} |
| // CHECK: !3 = !{i64 0} |
| // CHECK: !4 = !{!"sanmd_covered!C", !5} |
| // CHECK: !5 = !{i64 3} |
| // CHECK: !6 = !{!7, !7, i64 0} |
| // CHECK: !7 = !{!"any pointer", !8, i64 0} |
| // CHECK: !8 = !{!"omnipotent char", !9, i64 0} |
| // CHECK: !9 = !{!"Simple C/C++ TBAA"} |
| // CHECK: !10 = !{!"sanmd_atomics!C"} |
| // CHECK: !11 = !{!12, !12, i64 0} |
| // CHECK: !12 = !{!"int", !8, i64 0} |
| // CHECK: !13 = !{!"sanmd_covered!C", !14} |
| // CHECK: !14 = !{i64 2} |
| //. |
