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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / c6a4f5e819217e1e12c458aed8e7b122e23a3a58 / . / test / Instrumentation / AddressSanitizer / coverage.ll
blob: 79bb5c13533053b67694fd220488852daa96ad6f [file] [log] [blame]
Stephen Hinesc6a4f5e2014-07-21 00:45:20 -0700[diff] [blame^]1; RUN: opt < %s -asan -asan-module -asan-coverage=0 -S | FileCheck %s --check-prefix=CHECK0
Stephen Hines36b56882014-04-23 16:57:46 -0700[diff] [blame]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
Stephen Hinesdce4a402014-05-29 02:49:00 -0700[diff] [blame]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
Stephen Hinesc6a4f5e2014-07-21 00:45:20 -0700[diff] [blame^]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
Bob Wilson4b899142013-11-15 07:16:09 +0000[diff] [blame]18target 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"
19target triple = "x86_64-unknown-linux-gnu"
Stephen Hines36b56882014-04-23 16:57:46 -0700[diff] [blame]20define void @foo(i32* %a) sanitize_address {
Bob Wilson4b899142013-11-15 07:16:09 +0000[diff] [blame]21entry:
Stephen Hines36b56882014-04-23 16:57:46 -0700[diff] [blame]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
Bob Wilson4b899142013-11-15 07:16:09 +0000[diff] [blame]31}
Stephen Hinesdce4a402014-05-29 02:49:00 -0700[diff] [blame]32
Stephen Hinesc6a4f5e2014-07-21 00:45:20 -0700[diff] [blame^]33; CHECK0-NOT: call void @__sanitizer_cov(
34; CHECK0-NOT: call void @__sanitizer_cov_module_init(
35
Stephen Hines36b56882014-04-23 16:57:46 -0700[diff] [blame]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
Stephen Hinesdce4a402014-05-29 02:49:00 -0700[diff] [blame]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
Stephen Hines36b56882014-04-23 16:57:46 -0700[diff] [blame]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
Stephen Hinesdce4a402014-05-29 02:49:00 -0700[diff] [blame]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