mirror of
https://github.com/RPCS3/llvm.git
synced 2025-05-17 02:46:00 +00:00
b08e3a60a3
Patch by Michael LeMay Differential revision: http://reviews.llvm.org/D25340 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284139 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
767 B
LLVM
23 lines
767 B
LLVM
; 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: %[[SP:.*]] = load i8*, i8** @__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
|
|
; CHECK: store i8* %[[SP:.*]], i8** @__safestack_unsafe_stack_ptr
|
|
ret void
|
|
}
|