1 ; RUN: opt < %s -asan -asan-module -S | FileCheck %s --check-prefixes=CHECK-NOALIAS,CHECK-NOINDICATOR
2 ; RUN: opt < %s -asan -asan-module -asan-use-private-alias=1 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-NOINDICATOR
3 ; RUN: opt < %s -asan -asan-module -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-INDICATOR,CHECK-NOALIAS
4 ; RUN: opt < %s -asan -asan-module -asan-use-private-alias=1 -asan-use-odr-indicator=1 -S | FileCheck %s --check-prefixes=CHECK-ALIAS,CHECK-INDICATOR
6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7 target triple = "x86_64-unknown-linux-gnu"
9 @a = dso_local global [2 x i32] zeroinitializer, align 4
10 @b = private global [2 x i32] zeroinitializer, align 4
11 @c = internal global [2 x i32] zeroinitializer, align 4
12 @d = unnamed_addr global [2 x i32] zeroinitializer, align 4
14 ; Check that we generate internal alias and odr indicator symbols for global to be protected.
15 ; CHECK-NOINDICATOR-NOT: __odr_asan_gen_a
16 ; CHECK-NOALIAS-NOT: private alias
17 ; CHECK-INDICATOR: @__odr_asan_gen_a = global i8 0, align 1
18 ; CHECK-ALIAS: @0 = private alias { [2 x i32], [56 x i8] }, { [2 x i32], [56 x i8] }* @a
20 ; CHECK-ALIAS: @1 = private alias { [2 x i32], [56 x i8] }, { [2 x i32], [56 x i8] }* @b
21 ; CHECK-ALIAS: @2 = private alias { [2 x i32], [56 x i8] }, { [2 x i32], [56 x i8] }* @c
22 ; CHECK-ALIAS: @3 = private alias { [2 x i32], [56 x i8] }, { [2 x i32], [56 x i8] }* @d
24 ; Function Attrs: nounwind sanitize_address uwtable
25 define i32 @foo(i32 %M) #0 {
27 %M.addr = alloca i32, align 4
28 store i32 %M, i32* %M.addr, align 4
29 store volatile i32 6, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i64 2, i64 0), align 4
30 %0 = load i32, i32* %M.addr, align 4
31 %idxprom = sext i32 %0 to i64
32 %arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* @a, i64 0, i64 %idxprom
33 %1 = load volatile i32, i32* %arrayidx, align 4