1 ; RUN: opt < %s -asan -asan-module -asan-use-private-alias=1 -S | FileCheck %s 2 3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 @a = internal global [2 x i32] zeroinitializer, align 4 7 8 ; Check that we generate internal alias and odr indicator symbols for global to be protected. 9 ; CHECK: @__odr_asan_gen_a = internal global i8 0, align 1 10 ; CHECK: @"a<stdin>" = internal alias { [2 x i32], [56 x i8] }, { [2 x i32], [56 x i8] }* @a 11 12 ; Function Attrs: nounwind sanitize_address uwtable 13 define i32 @foo(i32 %M) #0 { 14 entry: 15 %M.addr = alloca i32, align 4 16 store i32 %M, i32* %M.addr, align 4 17 store volatile i32 6, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i64 2, i64 0), align 4 18 %0 = load i32, i32* %M.addr, align 4 19 %idxprom = sext i32 %0 to i64 20 %arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* @a, i64 0, i64 %idxprom 21 %1 = load volatile i32, i32* %arrayidx, align 4 22 ret i32 %1 23 } 24
