1*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; Variable sized alloca 7*9880d681SAndroid Build Coastguard Worker; safestack attribute 8*9880d681SAndroid Build Coastguard Worker; Requires protector. 9*9880d681SAndroid Build Coastguard Workerdefine void @foo(i32 %n) nounwind uwtable safestack { 10*9880d681SAndroid Build Coastguard Workerentry: 11*9880d681SAndroid Build Coastguard Worker ; CHECK: %[[SP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr 12*9880d681SAndroid Build Coastguard Worker %n.addr = alloca i32, align 4 13*9880d681SAndroid Build Coastguard Worker %a = alloca i32*, align 8 14*9880d681SAndroid Build Coastguard Worker store i32 %n, i32* %n.addr, align 4 15*9880d681SAndroid Build Coastguard Worker %0 = load i32, i32* %n.addr, align 4 16*9880d681SAndroid Build Coastguard Worker %conv = sext i32 %0 to i64 17*9880d681SAndroid Build Coastguard Worker %1 = alloca i8, i64 %conv 18*9880d681SAndroid Build Coastguard Worker %2 = bitcast i8* %1 to i32* 19*9880d681SAndroid Build Coastguard Worker store i32* %2, i32** %a, align 8 20*9880d681SAndroid Build Coastguard Worker ; CHECK: store i8* %[[SP:.*]], i8** @__safestack_unsafe_stack_ptr 21*9880d681SAndroid Build Coastguard Worker ret void 22*9880d681SAndroid Build Coastguard Worker} 23