diff options
Diffstat (limited to 'test/Instrumentation/SanitizerCoverage/coverage.ll')
-rw-r--r-- | test/Instrumentation/SanitizerCoverage/coverage.ll | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/test/Instrumentation/SanitizerCoverage/coverage.ll b/test/Instrumentation/SanitizerCoverage/coverage.ll new file mode 100644 index 0000000..da0498d --- /dev/null +++ b/test/Instrumentation/SanitizerCoverage/coverage.ll @@ -0,0 +1,89 @@ +; 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=1 -S | FileCheck %s --check-prefix=CHECK1 +; 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=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 \ +; 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=CHECK1 + +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: call void @__sanitizer_cov( +; CHECK0-NOT: call void @__sanitizer_cov_module_init( + +; CHECK1-LABEL: define void @foo +; CHECK1: %0 = load atomic i8* @__sancov_gen_cov_foo monotonic, align 1 +; CHECK1: %1 = icmp eq i8 0, %0 +; CHECK1: br i1 %1, label %2, label %3 +; CHECK1: call void @__sanitizer_cov +; CHECK1-NOT: call void @__sanitizer_cov +; CHECK1: store atomic i8 1, i8* @__sancov_gen_cov_foo monotonic, align 1 + +; CHECK1-LABEL: define internal void @sancov.module_ctor +; CHECK1-NOT: ret +; CHECK1: call void @__sanitizer_cov_module_init(i64 2) +; CHECK1: ret + + +; CHECK2-LABEL: define void @foo +; CHECK2: call void @__sanitizer_cov +; CHECK2: call void @__sanitizer_cov +; CHECK2: call void @__sanitizer_cov +; 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 4) +; CHECK2: ret + +; CHECK3-LABEL: define void @foo +; CHECK3: call void @__sanitizer_cov +; 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 + + +%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*)*** %0, align 8 + %1 = load 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 |