1 ; RUN: opt < %s -asan -asan-module -asan-coverage=1 -S | FileCheck %s --check-prefix=CHECK1
2 ; RUN: opt < %s -asan -asan-module -asan-coverage=2 -S | FileCheck %s --check-prefix=CHECK2
3 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"
4 target triple = "x86_64-unknown-linux-gnu"
5 define void @foo(i32* %a) sanitize_address {
7 %tobool = icmp eq i32* %a, null
8 br i1 %tobool, label %if.end, label %if.then
10 if.then: ; preds = %entry
11 store i32 0, i32* %a, align 4
14 if.end: ; preds = %entry, %if.then
17 ; CHECK1-LABEL: define void @foo
18 ; CHECK1: %0 = load atomic i8* @__asan_gen_cov_foo monotonic, align 1
19 ; CHECK1: %1 = icmp eq i8 0, %0
20 ; CHECK1: br i1 %1, label %2, label %3
21 ; CHECK1: call void @__sanitizer_cov
22 ; CHECK1-NOT: call void @__sanitizer_cov
23 ; CHECK1: store atomic i8 1, i8* @__asan_gen_cov_foo monotonic, align 1
25 ; CHECK2-LABEL: define void @foo
26 ; CHECK2: call void @__sanitizer_cov
27 ; CHECK2: call void @__sanitizer_cov
28 ; CHECK2: call void @__sanitizer_cov
29 ; CHECK2-NOT: call void @__sanitizer_cov