1 ; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 2 ; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 3 4 @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 5 6 ; Addr-of a variable passed into an invoke instruction. 7 ; safestack attribute 8 ; Requires protector and stack restore after landing pad. 9 define i32 @foo() uwtable safestack personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 10 entry: 11 ; CHECK: %[[SP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr 12 ; CHECK: %[[STATICTOP:.*]] = getelementptr i8, i8* %[[SP]], i32 -16 13 %a = alloca i32, align 4 14 %exn.slot = alloca i8* 15 %ehselector.slot = alloca i32 16 store i32 0, i32* %a, align 4 17 invoke void @_Z3exceptPi(i32* %a) 18 to label %invoke.cont unwind label %lpad 19 20 invoke.cont: 21 ret i32 0 22 23 lpad: 24 ; CHECK: landingpad 25 ; CHECK-NEXT: catch 26 %0 = landingpad { i8*, i32 } 27 catch i8* null 28 ; CHECK-NEXT: store i8* %[[STATICTOP]], i8** @__safestack_unsafe_stack_ptr 29 ret i32 0 30 } 31 32 declare void @_Z3exceptPi(i32*) 33 declare i32 @__gxx_personality_v0(...) 34
