[asan] experimental tracing for indirect calls, llvm part.

[oota-llvm.git] / test / Instrumentation / AddressSanitizer / coverage.ll

diff --git a/test/Instrumentation/AddressSanitizer/coverage.ll b/test/Instrumentation/AddressSanitizer/coverage.ll
index 7e0ef1c8ebc7b481093243a5f6ec181bfbe92263..d666925d62200c738be88b3a7d0e11f98079d95e 100644 (file)
--- a/test/Instrumentation/AddressSanitizer/coverage.ll
+++ b/test/Instrumentation/AddressSanitizer/coverage.ll
@@ -3,6 +3,20 @@
 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -S | FileCheck %s --check-prefix=CHECK2
 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=10 -S | FileCheck %s --check-prefix=CHECK2
 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=1  -S | FileCheck %s --check-prefix=CHECK1
+; RUN: opt < %s -asan -asan-module -asan-coverage=3 -asan-coverage-block-threshold=10 -S | FileCheck %s --check-prefix=CHECK3
+; RUN: opt < %s -asan -asan-module -asan-coverage=4 -S | FileCheck %s --check-prefix=CHECK4
+
+; RUN: opt < %s -asan -asan-module -asan-coverage=0 -asan-globals=0 -S | \
+; RUN:     FileCheck %s --check-prefix=CHECK0
+; RUN: opt < %s -asan -asan-module -asan-coverage=1 -asan-globals=0 -S | \
+; RUN:     FileCheck %s --check-prefix=CHECK1
+; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-globals=0 -S | \
+; RUN:     FileCheck %s --check-prefix=CHECK2
+; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=10 \
+; RUN:     -asan-globals=0 -S | FileCheck %s --check-prefix=CHECK2
+; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=1 \
+; RUN:     -asan-globals=0 -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 {
@@ -31,7 +45,7 @@ entry:
 
 ; CHECK1-LABEL: define internal void @asan.module_ctor
 ; CHECK1-NOT: ret
-; CHECK1: call void @__sanitizer_cov_module_init(i64 1)
+; CHECK1: call void @__sanitizer_cov_module_init(i64 2)
 ; CHECK1: ret
 
 
@@ -44,5 +58,29 @@ entry:
 
 ; CHECK2-LABEL: define internal void @asan.module_ctor
 ; CHECK2-NOT: ret
-; CHECK2: call void @__sanitizer_cov_module_init(i64 3)
+; 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: 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)
+  ret void
+}
+
+; CHECK4-LABEL: define void @CallViaVptr
+; CHECK4: call void @__sanitizer_cov_indir_call16
+; CHECK4: ret void