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Update aosp/master llvm for rebase to r233350
[android-x86/external-llvm.git] / test / Instrumentation / MemorySanitizer / instrumentation-with-call-threshold.ll
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
9 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-S128"
10 target triple = "x86_64-unknown-linux-gnu"
11
12 define void @LoadAndCmp(i32* nocapture %a) nounwind uwtable sanitize_memory {
13 entry:
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
18 if.then:                                          ; preds = %entry
19   tail call void (...)* @foo() nounwind
20   br label %if.end
21
22 if.end:                                           ; preds = %entry, %if.then
23   ret void
24 }
25
26 declare 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
37 define void @Store(i64* nocapture %p, i64 %x) nounwind uwtable sanitize_memory {
38 entry:
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