1 ; RUN: opt < %s -asan -asan-module -asan-coverage=0 -S | FileCheck %s --check-prefix=CHECK0 2 ; RUN: opt < %s -asan -asan-module -asan-coverage=1 -S | FileCheck %s --check-prefix=CHECK1 3 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -S | FileCheck %s --check-prefix=CHECK2 4 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=10 -S | FileCheck %s --check-prefix=CHECK2 5 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=1 -S | FileCheck %s --check-prefix=CHECK1 6 7 ; RUN: opt < %s -asan -asan-module -asan-coverage=0 -asan-globals=0 -S | \ 8 ; RUN: FileCheck %s --check-prefix=CHECK0 9 ; RUN: opt < %s -asan -asan-module -asan-coverage=1 -asan-globals=0 -S | \ 10 ; RUN: FileCheck %s --check-prefix=CHECK1 11 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-globals=0 -S | \ 12 ; RUN: FileCheck %s --check-prefix=CHECK2 13 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=10 \ 14 ; RUN: -asan-globals=0 -S | FileCheck %s --check-prefix=CHECK2 15 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=1 \ 16 ; RUN: -asan-globals=0 -S | FileCheck %s --check-prefix=CHECK1 17 18 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" 19 target triple = "x86_64-unknown-linux-gnu" 20 define void @foo(i32* %a) sanitize_address { 21 entry: 22 %tobool = icmp eq i32* %a, null 23 br i1 %tobool, label %if.end, label %if.then 24 25 if.then: ; preds = %entry 26 store i32 0, i32* %a, align 4 27 br label %if.end 28 29 if.end: ; preds = %entry, %if.then 30 ret void 31 } 32 33 ; CHECK0-NOT: call void @__sanitizer_cov( 34 ; CHECK0-NOT: call void @__sanitizer_cov_module_init( 35 36 ; CHECK1-LABEL: define void @foo 37 ; CHECK1: %0 = load atomic i8* @__asan_gen_cov_foo monotonic, align 1 38 ; CHECK1: %1 = icmp eq i8 0, %0 39 ; CHECK1: br i1 %1, label %2, label %3 40 ; CHECK1: call void @__sanitizer_cov 41 ; CHECK1-NOT: call void @__sanitizer_cov 42 ; CHECK1: store atomic i8 1, i8* @__asan_gen_cov_foo monotonic, align 1 43 44 ; CHECK1-LABEL: define internal void @asan.module_ctor 45 ; CHECK1-NOT: ret 46 ; CHECK1: call void @__sanitizer_cov_module_init(i64 1) 47 ; CHECK1: ret 48 49 50 ; CHECK2-LABEL: define void @foo 51 ; CHECK2: call void @__sanitizer_cov 52 ; CHECK2: call void @__sanitizer_cov 53 ; CHECK2: call void @__sanitizer_cov 54 ; CHECK2-NOT: call void @__sanitizer_cov 55 ; CHECK2: ret void 56 57 ; CHECK2-LABEL: define internal void @asan.module_ctor 58 ; CHECK2-NOT: ret 59 ; CHECK2: call void @__sanitizer_cov_module_init(i64 3) 60 ; CHECK2: ret 61
