| Peter Collingbourne | 82437bf | 2015-06-15 21:07:11 +0000 | [diff] [blame] | 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. |
| David Majnemer | 7fddecc | 2015-06-17 20:52:32 +0000 | [diff] [blame] | 9 | define i32 @foo() uwtable safestack personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| Peter Collingbourne | 82437bf | 2015-06-15 21:07:11 +0000 | [diff] [blame] | 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 |
| David Majnemer | 7fddecc | 2015-06-17 20:52:32 +0000 | [diff] [blame] | 26 | %0 = landingpad { i8*, i32 } |
| Peter Collingbourne | 82437bf | 2015-06-15 21:07:11 +0000 | [diff] [blame] | 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(...) |