| ; RUN: opt < %s -sancov -sanitizer-coverage-level=0 -S | FileCheck %s --check-prefix=CHECK0 |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -S | FileCheck %s --check-prefix=CHECK1 |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -S | FileCheck %s --check-prefix=CHECK2 |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=10 -S | FileCheck %s --check-prefix=CHECK2 |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=0 -S | FileCheck %s --check-prefix=CHECK_WITH_CHECK |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=1 -S | FileCheck %s --check-prefix=CHECK_WITH_CHECK |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-block-threshold=10 -S | FileCheck %s --check-prefix=CHECK3 |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=4 -S | FileCheck %s --check-prefix=CHECK4 |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=4 -sanitizer-coverage-trace-pc -S | FileCheck %s --check-prefix=CHECK_TRACE_PC |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-8bit-counters=1 -S | FileCheck %s --check-prefix=CHECK-8BIT |
| |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=10 \ |
| ; RUN: -S | FileCheck %s --check-prefix=CHECK2 |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=1 \ |
| ; RUN: -S | FileCheck %s --check-prefix=CHECK_WITH_CHECK |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-prune-blocks=1 -S | FileCheck %s --check-prefix=CHECKPRUNE |
| |
| 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" |
| define void @foo(i32* %a) sanitize_address { |
| entry: |
| %tobool = icmp eq i32* %a, null |
| br i1 %tobool, label %if.end, label %if.then |
| |
| if.then: ; preds = %entry |
| store i32 0, i32* %a, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %entry, %if.then |
| ret void |
| } |
| |
| ; CHECK0-NOT: @llvm.global_ctors = {{.*}}{ i32 2, void ()* @sancov.module_ctor } |
| ; CHECK1: @llvm.global_ctors = {{.*}}{ i32 2, void ()* @sancov.module_ctor, i8* null } |
| ; CHECK2: @llvm.global_ctors = {{.*}}{ i32 2, void ()* @sancov.module_ctor, i8* null } |
| |
| ; CHECK0-NOT: call void @__sanitizer_cov( |
| ; CHECK0-NOT: call void @__sanitizer_cov_module_init( |
| |
| ; CHECK1-LABEL: define void @foo |
| ; CHECK1: %0 = load atomic i32, i32* {{.*}} monotonic, align 4, !nosanitize |
| ; CHECK1: %1 = icmp sge i32 0, %0 |
| ; CHECK1: br i1 %1, label %2, label %3 |
| ; CHECK1: call void @__sanitizer_cov(i32*{{.*}}) |
| ; CHECK1: call void asm sideeffect "", ""() |
| ; CHECK1-NOT: call void @__sanitizer_cov |
| ; CHECK1: ret void |
| |
| ; CHECK1-LABEL: define internal void @sancov.module_ctor |
| ; CHECK1-NOT: ret |
| ; CHECK1: call void @__sanitizer_cov_module_init({{.*}}, i64 2, |
| ; CHECK1: ret |
| |
| ; CHECK_WITH_CHECK-LABEL: define void @foo |
| ; CHECK_WITH_CHECK: __sanitizer_cov_with_check |
| ; CHECK_WITH_CHECK: ret void |
| ; CHECK_WITH_CHECK-LABEL: define internal void @sancov.module_ctor |
| ; CHECK_WITH_CHECK-NOT: ret |
| ; CHECK_WITH_CHECK: call void @__sanitizer_cov_module_init({{.*}}, i64 3, |
| ; CHECK_WITH_CHECK: ret |
| |
| ; CHECK2-LABEL: define void @foo |
| ; CHECK2: call void @__sanitizer_cov |
| ; CHECK2: call void asm sideeffect "", ""() |
| ; CHECK2: call void @__sanitizer_cov |
| ; CHECK2: call void asm sideeffect "", ""() |
| ; CHECK2: call void asm sideeffect "", ""() |
| ; CHECK2-NOT: call void @__sanitizer_cov |
| ; CHECK2: ret void |
| |
| ; CHECK2-LABEL: define internal void @sancov.module_ctor |
| ; CHECK2-NOT: ret |
| ; CHECK2: call void @__sanitizer_cov_module_init({{.*}}, i64 3, |
| ; CHECK2: ret |
| |
| ; CHECK3-LABEL: define void @foo |
| ; CHECK3: call void @__sanitizer_cov |
| ; CHECK3: call void @__sanitizer_cov |
| ; CHECK3-NOT: ret void |
| ; CHECK3: call void @__sanitizer_cov |
| ; CHECK3-NOT: call void @__sanitizer_cov |
| ; CHECK3: ret void |
| |
| ; test -sanitizer-coverage-8bit-counters=1 |
| ; CHECK-8BIT-LABEL: define void @foo |
| |
| ; CHECK-8BIT: [[V11:%[0-9]*]] = load i8{{.*}}!nosanitize |
| ; CHECK-8BIT: [[V12:%[0-9]*]] = add i8 [[V11]], 1 |
| ; CHECK-8BIT: store i8 [[V12]]{{.*}}!nosanitize |
| ; CHECK-8BIT: [[V21:%[0-9]*]] = load i8{{.*}}!nosanitize |
| ; CHECK-8BIT: [[V22:%[0-9]*]] = add i8 [[V21]], 1 |
| ; CHECK-8BIT: store i8 [[V22]]{{.*}}!nosanitize |
| ; CHECK-8BIT: [[V31:%[0-9]*]] = load i8{{.*}}!nosanitize |
| ; CHECK-8BIT: [[V32:%[0-9]*]] = add i8 [[V31]], 1 |
| ; CHECK-8BIT: store i8 [[V32]]{{.*}}!nosanitize |
| ; CHECK-8BIT: [[V41:%[0-9]*]] = load i8{{.*}}!nosanitize |
| ; CHECK-8BIT: [[V42:%[0-9]*]] = add i8 [[V41]], 1 |
| ; CHECK-8BIT: store i8 [[V42]]{{.*}}!nosanitize |
| |
| ; CHECK-8BIT: ret void |
| |
| |
| %struct.StructWithVptr = type { i32 (...)** } |
| |
| define void @CallViaVptr(%struct.StructWithVptr* %foo) uwtable sanitize_address { |
| entry: |
| %0 = bitcast %struct.StructWithVptr* %foo to void (%struct.StructWithVptr*)*** |
| %vtable = load void (%struct.StructWithVptr*)**, void (%struct.StructWithVptr*)*** %0, align 8 |
| %1 = load void (%struct.StructWithVptr*)*, void (%struct.StructWithVptr*)** %vtable, align 8 |
| tail call void %1(%struct.StructWithVptr* %foo) |
| tail call void %1(%struct.StructWithVptr* %foo) |
| tail call void asm sideeffect "", ""() |
| ret void |
| } |
| |
| ; We expect to see two calls to __sanitizer_cov_indir_call16 |
| ; with different values of second argument. |
| ; CHECK4-LABEL: define void @CallViaVptr |
| ; CHECK4: call void @__sanitizer_cov_indir_call16({{.*}},[[CACHE:.*]]) |
| ; CHECK4-NOT: call void @__sanitizer_cov_indir_call16({{.*}},[[CACHE]]) |
| ; CHECK4: ret void |
| |
| ; CHECK_TRACE_PC-LABEL: define void @foo |
| ; CHECK_TRACE_PC: call void @__sanitizer_cov_trace_pc |
| ; CHECK_TRACE_PC: call void asm sideeffect "", ""() |
| ; CHECK_TRACE_PC: ret void |
| |
| ; CHECK_TRACE_PC-LABEL: define void @CallViaVptr |
| ; CHECK_TRACE_PC: call void @__sanitizer_cov_trace_pc_indir |
| ; CHECK_TRACE_PC: call void @__sanitizer_cov_trace_pc_indir |
| ; CHECK_TRACE_PC: ret void |
| |
| define void @call_unreachable() uwtable sanitize_address { |
| entry: |
| unreachable |
| } |
| |
| ; CHECK4-LABEL: define void @call_unreachable |
| ; CHECK4-NOT: __sanitizer_cov |
| ; CHECK4: unreachable |
| |
| ; CHECKPRUNE-LABEL: define void @foo |
| ; CHECKPRUNE: call void @__sanitizer_cov |
| ; CHECKPRUNE: call void @__sanitizer_cov |
| ; CHECKPRUNE: call void @__sanitizer_cov |
| ; CHECKPRUNE-NOT: call void @__sanitizer_cov |
| ; CHECKPRUNE: ret void |