| 123456789101112131415161718192021 |
- ; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
- ; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
- @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
- ; Variable sized alloca
- ; safestack attribute
- ; Requires protector.
- define void @foo(i32 %n) nounwind uwtable safestack {
- entry:
- ; CHECK: __safestack_unsafe_stack_ptr
- %n.addr = alloca i32, align 4
- %a = alloca i32*, align 8
- store i32 %n, i32* %n.addr, align 4
- %0 = load i32, i32* %n.addr, align 4
- %conv = sext i32 %0 to i64
- %1 = alloca i8, i64 %conv
- %2 = bitcast i8* %1 to i32*
- store i32* %2, i32** %a, align 8
- ret void
- }
|
