xref: /llvm-project/llvm/test/Instrumentation/MemorySanitizer/msan-pass-second-run.ll (revision 62ced8116ba5274991af0e94cfdf873593c7764d)
1*62ced811SChaitanya; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --check-globals all --version 5
2*62ced811SChaitanya; This test checks in the second run, function is not instrumented again.
3*62ced811SChaitanya; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan,msan | FileCheck %s
4*62ced811SChaitanya
5*62ced811SChaitanyatarget 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-S128"
6*62ced811SChaitanyatarget triple = "x86_64-unknown-linux-gnu"
7*62ced811SChaitanya
8*62ced811SChaitanya;.
9*62ced811SChaitanya; CHECK: @llvm.used = appending global [1 x ptr] [ptr @msan.module_ctor], section "llvm.metadata"
10*62ced811SChaitanya; CHECK: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @msan.module_ctor, ptr null }]
11*62ced811SChaitanya; CHECK: @__msan_retval_tls = external thread_local(initialexec) global [100 x i64]
12*62ced811SChaitanya; CHECK: @__msan_retval_origin_tls = external thread_local(initialexec) global i32
13*62ced811SChaitanya; CHECK: @__msan_param_tls = external thread_local(initialexec) global [100 x i64]
14*62ced811SChaitanya; CHECK: @__msan_param_origin_tls = external thread_local(initialexec) global [200 x i32]
15*62ced811SChaitanya; CHECK: @__msan_va_arg_tls = external thread_local(initialexec) global [100 x i64]
16*62ced811SChaitanya; CHECK: @__msan_va_arg_origin_tls = external thread_local(initialexec) global [200 x i32]
17*62ced811SChaitanya; CHECK: @__msan_va_arg_overflow_size_tls = external thread_local(initialexec) global i64
18*62ced811SChaitanya;.
19*62ced811SChaitanyadefine void @array() sanitize_memory {
20*62ced811SChaitanya; CHECK: Function Attrs: sanitize_memory
21*62ced811SChaitanya; CHECK-LABEL: define void @array(
22*62ced811SChaitanya; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
23*62ced811SChaitanya; CHECK-NEXT:  [[ENTRY:.*:]]
24*62ced811SChaitanya; CHECK-NEXT:    call void @llvm.donothing()
25*62ced811SChaitanya; CHECK-NEXT:    [[X:%.*]] = alloca i32, i64 5, align 4
26*62ced811SChaitanya; CHECK-NEXT:    [[TMP0:%.*]] = ptrtoint ptr [[X]] to i64
27*62ced811SChaitanya; CHECK-NEXT:    [[TMP1:%.*]] = xor i64 [[TMP0]], 87960930222080
28*62ced811SChaitanya; CHECK-NEXT:    [[TMP2:%.*]] = inttoptr i64 [[TMP1]] to ptr
29*62ced811SChaitanya; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr align 4 [[TMP2]], i8 -1, i64 20, i1 false)
30*62ced811SChaitanya; CHECK-NEXT:    ret void
31*62ced811SChaitanya;
32*62ced811SChaitanyaentry:
33*62ced811SChaitanya  %x = alloca i32, i64 5, align 4
34*62ced811SChaitanya  ret void
35*62ced811SChaitanya}
36*62ced811SChaitanya;.
37*62ced811SChaitanya; CHECK: attributes #[[ATTR0]] = { sanitize_memory }
38*62ced811SChaitanya; CHECK: attributes #[[ATTR1:[0-9]+]] = { nounwind }
39*62ced811SChaitanya; CHECK: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
40*62ced811SChaitanya; CHECK: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
41*62ced811SChaitanya;.
42*62ced811SChaitanya; CHECK: [[META0:![0-9]+]] = !{i32 4, !"nosanitize_memory", i32 1}
43*62ced811SChaitanya;.
44