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llvm-mirror/test/Transforms/SafeStack/X86/escape-addr-pointer.ll
David L Kreitzer eaea365433 [safestack] Move X86-targeted tests into the X86 subdirectory.
Patch by Michael LeMay

Differential revision: http://reviews.llvm.org/D25340

llvm-svn: 284139
2016-10-13 17:51:59 +00:00

24 lines
683 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
; Addr-of a pointer
; safestack attribute
; Requires protector.
define void @foo() nounwind uwtable safestack {
entry:
; CHECK: __safestack_unsafe_stack_ptr
%a = alloca i32*, align 8
%b = alloca i32**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
store i32** %a, i32*** %b, align 8
%0 = load i32**, i32*** %b, align 8
call void @funcall2(i32** %0)
ret void
}
declare void @funcall2(i32**)
declare i32* @getp()