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Diffstat (limited to 'test/Transforms/SafeStack/escape-gep-invoke.ll')
| -rw-r--r-- | test/Transforms/SafeStack/escape-gep-invoke.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/Transforms/SafeStack/escape-gep-invoke.ll b/test/Transforms/SafeStack/escape-gep-invoke.ll new file mode 100644 index 0000000000000..8495ff985f662 --- /dev/null +++ b/test/Transforms/SafeStack/escape-gep-invoke.ll @@ -0,0 +1,34 @@ +; 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 + +%struct.pair = type { i32, i32 } + +@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 + +; Addr-of a struct element passed into an invoke instruction. +; (GEP followed by an invoke) +; safestack attribute +; Requires protector. +define i32 @foo() uwtable safestack personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { +entry: + ; CHECK: __safestack_unsafe_stack_ptr + %c = alloca %struct.pair, align 4 + %exn.slot = alloca i8* + %ehselector.slot = alloca i32 + %a = getelementptr inbounds %struct.pair, %struct.pair* %c, i32 0, i32 0 + store i32 0, i32* %a, align 4 + %a1 = getelementptr inbounds %struct.pair, %struct.pair* %c, i32 0, i32 0 + invoke void @_Z3exceptPi(i32* %a1) + to label %invoke.cont unwind label %lpad + +invoke.cont: + ret i32 0 + +lpad: + %0 = landingpad { i8*, i32 } + catch i8* null + ret i32 0 +} + +declare void @_Z3exceptPi(i32*) +declare i32 @__gxx_personality_v0(...) |