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; 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
; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -passes=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 variable passed into an invoke instruction.
; safestack attribute
; Requires protector and stack restore after landing pad.
define i32 @foo() uwtable safestack personality ptr @__gxx_personality_v0 {
entry:
; CHECK: %[[SP:.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr
; CHECK: %[[STATICTOP:.*]] = getelementptr i8, ptr %[[SP]], i32 -16
%a = alloca i32, align 4
%exn.slot = alloca ptr
%ehselector.slot = alloca i32
store i32 0, ptr %a, align 4
invoke void @_Z3exceptPi(ptr %a)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
; CHECK: landingpad
; CHECK-NEXT: catch
%0 = landingpad { ptr, i32 }
catch ptr null
; CHECK-NEXT: store ptr %[[STATICTOP]], ptr @__safestack_unsafe_stack_ptr
ret i32 0
}
declare void @_Z3exceptPi(ptr)
declare i32 @__gxx_personality_v0(...)
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