xref: /aosp_15_r20/external/llvm/test/Transforms/SafeStack/invoke.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; Addr-of a variable passed into an invoke instruction.
7*9880d681SAndroid Build Coastguard Worker;  safestack attribute
8*9880d681SAndroid Build Coastguard Worker; Requires protector and stack restore after landing pad.
9*9880d681SAndroid Build Coastguard Workerdefine i32 @foo() uwtable safestack personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  ; CHECK: %[[SP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
12*9880d681SAndroid Build Coastguard Worker  ; CHECK: %[[STATICTOP:.*]] = getelementptr i8, i8* %[[SP]], i32 -16
13*9880d681SAndroid Build Coastguard Worker  %a = alloca i32, align 4
14*9880d681SAndroid Build Coastguard Worker  %exn.slot = alloca i8*
15*9880d681SAndroid Build Coastguard Worker  %ehselector.slot = alloca i32
16*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* %a, align 4
17*9880d681SAndroid Build Coastguard Worker  invoke void @_Z3exceptPi(i32* %a)
18*9880d681SAndroid Build Coastguard Worker          to label %invoke.cont unwind label %lpad
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerinvoke.cont:
21*9880d681SAndroid Build Coastguard Worker  ret i32 0
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerlpad:
24*9880d681SAndroid Build Coastguard Worker  ; CHECK: landingpad
25*9880d681SAndroid Build Coastguard Worker  ; CHECK-NEXT: catch
26*9880d681SAndroid Build Coastguard Worker  %0 = landingpad { i8*, i32 }
27*9880d681SAndroid Build Coastguard Worker          catch i8* null
28*9880d681SAndroid Build Coastguard Worker  ; CHECK-NEXT: store i8* %[[STATICTOP]], i8** @__safestack_unsafe_stack_ptr
29*9880d681SAndroid Build Coastguard Worker  ret i32 0
30*9880d681SAndroid Build Coastguard Worker}
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Workerdeclare void @_Z3exceptPi(i32*)
33*9880d681SAndroid Build Coastguard Workerdeclare i32 @__gxx_personality_v0(...)
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