1; Defaults
2; RUN: opt < %s -passes='asan-pipeline' -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-NOINDICATOR
3
4; {newPM,legacyPM} x {alias0,alias1} x {odr0,odr1}
5; RUN: opt < %s -passes='asan-pipeline'             -asan-use-private-alias=0 -asan-use-odr-indicator=0 -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-NOINDICATOR
6; RUN: opt < %s -passes='asan-pipeline'             -asan-use-private-alias=1 -asan-use-odr-indicator=0 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-NOINDICATOR
7; RUN: opt < %s -passes='asan-pipeline'             -asan-use-private-alias=0 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-INDICATOR
8; RUN: opt < %s -passes='asan-pipeline'             -asan-use-private-alias=1 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-INDICATOR
9
10target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
11target triple = "x86_64-unknown-linux-gnu"
12
13@a = dso_local global [2 x i32] zeroinitializer, align 4
14@b = private global [2 x i32] zeroinitializer, align 4
15@c = internal global [2 x i32] zeroinitializer, align 4
16@d = unnamed_addr global [2 x i32] zeroinitializer, align 4
17
18; Check that we generate internal alias and odr indicator symbols for global to be protected.
19; CHECK-NOINDICATOR-NOT: __odr_asan_gen_a
20; CHECK-NOALIAS-NOT: private alias
21; CHECK-INDICATOR: @__odr_asan_gen_a = global i8 0, align 1
22; CHECK-ALIAS: @0 = private alias { [2 x i32], [24 x i8] }, { [2 x i32], [24 x i8] }* @a
23
24; CHECK-ALIAS: @1 = private alias { [2 x i32], [24 x i8] }, { [2 x i32], [24 x i8] }* @b
25; CHECK-ALIAS: @2 = private alias { [2 x i32], [24 x i8] }, { [2 x i32], [24 x i8] }* @c
26; CHECK-ALIAS: @3 = private alias { [2 x i32], [24 x i8] }, { [2 x i32], [24 x i8] }* @d
27
28; Function Attrs: nounwind sanitize_address uwtable
29define i32 @foo(i32 %M) #0 {
30entry:
31  %M.addr = alloca i32, align 4
32  store i32 %M, i32* %M.addr, align 4
33  store volatile i32 6, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i64 2, i64 0), align 4
34  %0 = load i32, i32* %M.addr, align 4
35  %idxprom = sext i32 %0 to i64
36  %arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* @a, i64 0, i64 %idxprom
37  %1 = load volatile i32, i32* %arrayidx, align 4
38  ret i32 %1
39}
40