1; Test -msan-instrumentation-with-call-threshold
2; Test that in with-calls mode there are no calls to __msan_chain_origin - they
3; are done from __msan_maybe_store_origin_*.
4
5; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -S | FileCheck %s
6; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s
7; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -msan-track-origins=2 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s
8
9target 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"
10target triple = "x86_64-unknown-linux-gnu"
11
12define void @LoadAndCmp(i32* nocapture %a) nounwind uwtable sanitize_memory {
13entry:
14  %0 = load i32, i32* %a, align 4
15  %tobool = icmp eq i32 %0, 0
16  br i1 %tobool, label %if.end, label %if.then
17
18if.then:                                          ; preds = %entry
19  tail call void (...) @foo() nounwind
20  br label %if.end
21
22if.end:                                           ; preds = %entry, %if.then
23  ret void
24}
25
26declare void @foo(...)
27
28; CHECK-LABEL: @LoadAndCmp
29; CHECK: = load
30; CHECK: = load
31; CHECK: = zext i1 {{.*}} to i8
32; CHECK: call void @__msan_maybe_warning_1(
33; CHECK-NOT: unreachable
34; CHECK: ret void
35
36
37define void @Store(i64* nocapture %p, i64 %x) nounwind uwtable sanitize_memory {
38entry:
39  store i64 %x, i64* %p, align 4
40  ret void
41}
42
43; CHECK-LABEL: @Store
44; CHECK: load {{.*}} @__msan_param_tls
45; CHECK-ORIGINS: load {{.*}} @__msan_param_origin_tls
46; CHECK: store
47; CHECK-ORIGINS-NOT: __msan_chain_origin
48; CHECK-ORIGINS: bitcast i64* {{.*}} to i8*
49; CHECK-ORIGINS-NOT: __msan_chain_origin
50; CHECK-ORIGINS: call void @__msan_maybe_store_origin_8(
51; CHECK-ORIGINS-NOT: __msan_chain_origin
52; CHECK: store i64
53; CHECK: ret void
54