diff options
Diffstat (limited to 'llvm/test/Transforms/SafeStack/X86/escape-addr-pointer.ll')
| -rw-r--r-- | llvm/test/Transforms/SafeStack/X86/escape-addr-pointer.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SafeStack/X86/escape-addr-pointer.ll b/llvm/test/Transforms/SafeStack/X86/escape-addr-pointer.ll new file mode 100644 index 00000000000..615d711f62c --- /dev/null +++ b/llvm/test/Transforms/SafeStack/X86/escape-addr-pointer.ll @@ -0,0 +1,23 @@ +; 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() |
