diff options
Diffstat (limited to 'test/Instrumentation')
8 files changed, 82 insertions, 6 deletions
diff --git a/test/Instrumentation/AddressSanitizer/basic.ll b/test/Instrumentation/AddressSanitizer/basic.ll index c477b19904..fb32e704af 100644 --- a/test/Instrumentation/AddressSanitizer/basic.ll +++ b/test/Instrumentation/AddressSanitizer/basic.ll @@ -128,3 +128,15 @@ define void @i80test(i80* %a, i80* %b) nounwind uwtable sanitize_address { ; CHECK: __asan_report_store_n{{.*}}, i64 10) ; CHECK: __asan_report_store_n{{.*}}, i64 10) ; CHECK: ret void + +; asan should not instrument functions with available_externally linkage. +define available_externally i32 @f_available_externally(i32* %a) sanitize_address { +entry: + %tmp1 = load i32* %a + ret i32 %tmp1 +} +; CHECK: @f_available_externally +; CHECK-NOT: __asan_report +; CHECK: ret i32 + + diff --git a/test/Instrumentation/AddressSanitizer/debug_info.ll b/test/Instrumentation/AddressSanitizer/debug_info.ll index 7822fd06ab..ec51caeb58 100644 --- a/test/Instrumentation/AddressSanitizer/debug_info.ll +++ b/test/Instrumentation/AddressSanitizer/debug_info.ll @@ -37,8 +37,8 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone !2 = metadata !{i32 0} !3 = metadata !{metadata !4} !4 = metadata !{metadata !5} -!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"zzz", metadata !"zzz", metadata !"_Z3zzzi", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z3zzzi, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [zzz] -!6 = metadata !{i32 786473, metadata !"a.cc", metadata !"/usr/local/google/llvm_cmake_clang/tmp/debuginfo", null} ; [ DW_TAG_file_type ] +!5 = metadata !{i32 786478, metadata !6, metadata !"zzz", metadata !"zzz", metadata !"_Z3zzzi", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z3zzzi, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [zzz] +!6 = metadata !{i32 786473, metadata !16} ; [ DW_TAG_file_type ] !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !8 = metadata !{metadata !9, metadata !9} !9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] @@ -58,3 +58,4 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone !13 = metadata !{i32 786443, metadata !5, i32 1, i32 0, metadata !6, i32 0} ; [ DW_TAG_lexical_block ] [/usr/local/google/llvm_cmake_clang/tmp/debuginfo/a.cc] !14 = metadata !{i32 2, i32 0, metadata !13, null} !15 = metadata !{i32 3, i32 0, metadata !13, null} +!16 = metadata !{metadata !"a.cc", metadata !"/usr/local/google/llvm_cmake_clang/tmp/debuginfo"} diff --git a/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll b/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll index 2efd6b1e0d..0928c49415 100644 --- a/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll +++ b/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll @@ -14,6 +14,7 @@ entry: declare void @_Z3fooPi(i32*) ; We create one global string constant for the stack frame above. +; It should have unnamed_addr and align 1. ; Make sure we don't create any other global constants. -; CHECK: = private constant -; CHECK-NOT: = private constant +; CHECK: = private unnamed_addr constant{{.*}}align 1 +; CHECK-NOT: = private unnamed_addr constant diff --git a/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll b/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll index 584db3762b..1d00cfacaf 100644 --- a/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll +++ b/test/Instrumentation/AddressSanitizer/instrument_initializer_metadata.ll @@ -1,4 +1,4 @@ -; RUN: opt < %s -asan -asan-module -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 = internal global i32 0, align 4 ; With dynamic initializer. diff --git a/test/Instrumentation/MemorySanitizer/unreachable.ll b/test/Instrumentation/MemorySanitizer/unreachable.ll index 66a9575d3f..c8130717c7 100644 --- a/test/Instrumentation/MemorySanitizer/unreachable.ll +++ b/test/Instrumentation/MemorySanitizer/unreachable.ll @@ -21,3 +21,19 @@ exit: ; CHECK: @Func ; CHECK: store i32 0, {{.*}} @__msan_retval_tls ; CHECK: ret i32 42 + + +define i32 @UnreachableLoop() nounwind uwtable { +entry: + ret i32 0 + +zzz: + br label %xxx + +xxx: + br label %zzz +} + +; CHECK: @UnreachableLoop +; CHECK: store i32 0, {{.*}} @__msan_retval_tls +; CHECK: ret i32 0 diff --git a/test/Instrumentation/ThreadSanitizer/read_from_global.ll b/test/Instrumentation/ThreadSanitizer/read_from_global.ll index a08453ac4a..7b6b94edf1 100644 --- a/test/Instrumentation/ThreadSanitizer/read_from_global.ll +++ b/test/Instrumentation/ThreadSanitizer/read_from_global.ll @@ -48,7 +48,7 @@ entry: } ; CHECK: define void @call_virtual_func -; CHECK: __tsan_read +; CHECK: __tsan_vptr_read ; CHECK: = load ; CHECK-NOT: __tsan_read ; CHECK: = load diff --git a/test/Instrumentation/ThreadSanitizer/tsan_basic.ll b/test/Instrumentation/ThreadSanitizer/tsan_basic.ll index 33c703b4c9..0ecff40493 100644 --- a/test/Instrumentation/ThreadSanitizer/tsan_basic.ll +++ b/test/Instrumentation/ThreadSanitizer/tsan_basic.ll @@ -20,3 +20,36 @@ entry: ; CHECK: ret i32 +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) +declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) +declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) + + +; Check that tsan converts mem intrinsics back to function calls. + +define void @MemCpyTest(i8* nocapture %x, i8* nocapture %y) { +entry: + tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false) + ret void +; CHECK: define void @MemCpyTest +; CHECK: call i8* @memcpy +; CHECK: ret void +} + +define void @MemMoveTest(i8* nocapture %x, i8* nocapture %y) { +entry: + tail call void @llvm.memmove.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false) + ret void +; CHECK: define void @MemMoveTest +; CHECK: call i8* @memmove +; CHECK: ret void +} + +define void @MemSetTest(i8* nocapture %x) { +entry: + tail call void @llvm.memset.p0i8.i64(i8* %x, i8 77, i64 16, i32 4, i1 false) + ret void +; CHECK define void @MemSetTest +; CHECK: call i8* @memset +; CHECK: ret void +} diff --git a/test/Instrumentation/ThreadSanitizer/vptr_read.ll b/test/Instrumentation/ThreadSanitizer/vptr_read.ll new file mode 100644 index 0000000000..404ca3ffe5 --- /dev/null +++ b/test/Instrumentation/ThreadSanitizer/vptr_read.ll @@ -0,0 +1,13 @@ +; RUN: opt < %s -tsan -S | FileCheck %s +; Check that vptr reads are treated in a special way. +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-S128" + +define i8 @Foo(i8* %a) nounwind uwtable { +entry: +; CHECK: call void @__tsan_vptr_read + %0 = load i8* %a, align 8, !tbaa !0 + ret i8 %0 +} +!0 = metadata !{metadata !"vtable pointer", metadata !1} +!1 = metadata !{metadata !"Simple C/C++ TBAA", null} + |