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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
- @.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 i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
- entry:
- ; CHECK: %[[SP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
- ; CHECK: %[[STATICTOP:.*]] = getelementptr i8, i8* %[[SP]], i32 -16
- %a = alloca i32, align 4
- %exn.slot = alloca i8*
- %ehselector.slot = alloca i32
- store i32 0, i32* %a, align 4
- invoke void @_Z3exceptPi(i32* %a)
- to label %invoke.cont unwind label %lpad
- invoke.cont:
- ret i32 0
- lpad:
- ; CHECK: landingpad
- ; CHECK-NEXT: catch
- %0 = landingpad { i8*, i32 }
- catch i8* null
- ; CHECK-NEXT: store i8* %[[STATICTOP]], i8** @__safestack_unsafe_stack_ptr
- ret i32 0
- }
- declare void @_Z3exceptPi(i32*)
- declare i32 @__gxx_personality_v0(...)
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