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llvm/test/Instrumentation/ThreadSanitizer/tsan_basic.ll

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ThreadSanitizer, a race detector. First LLVM commit. Clang patch (flags) will follow shortly. The run-time library will also follow, but not immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13 22:50:51 +00:00
; RUN: opt < %s -tsan -S | FileCheck %s
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"
tsan: implement no_sanitize_thread attribute If a function has no_sanitize_thread attribute, do not instrument memory accesses in it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192871 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-17 07:20:06 +00:00
define i32 @read_4_bytes(i32* %a) sanitize_thread {
ThreadSanitizer, a race detector. First LLVM commit. Clang patch (flags) will follow shortly. The run-time library will also follow, but not immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13 22:50:51 +00:00
entry:
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-27 21:17:42 +00:00
%tmp1 = load i32, i32* %a, align 4
ThreadSanitizer, a race detector. First LLVM commit. Clang patch (flags) will follow shortly. The run-time library will also follow, but not immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13 22:50:51 +00:00
ret i32 %tmp1
}
TSan: Use `createSanitizerCtor` to create ctor, and call `__tsan_init` Reviewers: kcc, dvyukov Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D8779 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236778 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-07 21:41:23 +00:00
; CHECK: @llvm.global_ctors = {{.*}}@tsan.module_ctor
ThreadSanitizer, a race detector. First LLVM commit. Clang patch (flags) will follow shortly. The run-time library will also follow, but not immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13 22:50:51 +00:00
tsan: implement no_sanitize_thread attribute If a function has no_sanitize_thread attribute, do not instrument memory accesses in it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192871 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-17 07:20:06 +00:00
; CHECK: define i32 @read_4_bytes(i32* %a)
ThreadSanitizer, a race detector. First LLVM commit. Clang patch (flags) will follow shortly. The run-time library will also follow, but not immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13 22:50:51 +00:00
; CHECK: call void @__tsan_func_entry(i8* %0)
; CHECK-NEXT: %1 = bitcast i32* %a to i8*
; CHECK-NEXT: call void @__tsan_read4(i8* %1)
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-27 21:17:42 +00:00
; CHECK-NEXT: %tmp1 = load i32, i32* %a, align 4
ThreadSanitizer, a race detector. First LLVM commit. Clang patch (flags) will follow shortly. The run-time library will also follow, but not immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13 22:50:51 +00:00
; CHECK-NEXT: call void @__tsan_func_exit()
; CHECK: ret i32
Revert "Change memcpy/memset/memmove to have dest and source alignments." This reverts commit r253511. This likely broke the bots in http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202 http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253543 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-19 05:56:52 +00:00
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1)
declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1)
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
[tsan] make sure memset/memcpy/memmove are not inlined in tsan mode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 11:21:13 +00:00
; Check that tsan converts mem intrinsics back to function calls.
[TSan] Fixup a test case after r209939 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209945 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-31 00:26:03 +00:00
define void @MemCpyTest(i8* nocapture %x, i8* nocapture %y) sanitize_thread {
[tsan] make sure memset/memcpy/memmove are not inlined in tsan mode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 11:21:13 +00:00
entry:
Revert "Change memcpy/memset/memmove to have dest and source alignments." This reverts commit r253511. This likely broke the bots in http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202 http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253543 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-19 05:56:52 +00:00
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false)
[tsan] make sure memset/memcpy/memmove are not inlined in tsan mode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 11:21:13 +00:00
ret void
; CHECK: define void @MemCpyTest
; CHECK: call i8* @memcpy
; CHECK: ret void
}
[TSan] Fixup a test case after r209939 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209945 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-31 00:26:03 +00:00
define void @MemMoveTest(i8* nocapture %x, i8* nocapture %y) sanitize_thread {
[tsan] make sure memset/memcpy/memmove are not inlined in tsan mode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 11:21:13 +00:00
entry:
Revert "Change memcpy/memset/memmove to have dest and source alignments." This reverts commit r253511. This likely broke the bots in http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202 http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253543 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-19 05:56:52 +00:00
tail call void @llvm.memmove.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false)
[tsan] make sure memset/memcpy/memmove are not inlined in tsan mode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 11:21:13 +00:00
ret void
; CHECK: define void @MemMoveTest
; CHECK: call i8* @memmove
; CHECK: ret void
}
[TSan] Fixup a test case after r209939 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209945 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-31 00:26:03 +00:00
define void @MemSetTest(i8* nocapture %x) sanitize_thread {
[tsan] make sure memset/memcpy/memmove are not inlined in tsan mode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 11:21:13 +00:00
entry:
Revert "Change memcpy/memset/memmove to have dest and source alignments." This reverts commit r253511. This likely broke the bots in http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202 http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253543 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-19 05:56:52 +00:00
tail call void @llvm.memset.p0i8.i64(i8* %x, i8 77, i64 16, i32 4, i1 false)
[tsan] make sure memset/memcpy/memmove are not inlined in tsan mode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 11:21:13 +00:00
ret void
Add missing colons to check lines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179277 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-11 12:41:41 +00:00
; CHECK: define void @MemSetTest
[tsan] make sure memset/memcpy/memmove are not inlined in tsan mode git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 11:21:13 +00:00
; CHECK: call i8* @memset
; CHECK: ret void
}
TSan: Use `createSanitizerCtor` to create ctor, and call `__tsan_init` Reviewers: kcc, dvyukov Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D8779 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236778 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-07 21:41:23 +00:00
; CHECK: define internal void @tsan.module_ctor()
; CHECK: call void @__tsan_init()
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