diff options
Diffstat (limited to 'llvm/test/Transforms/SafeStack/X86/escape-vector.ll')
| -rw-r--r-- | llvm/test/Transforms/SafeStack/X86/escape-vector.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SafeStack/X86/escape-vector.ll b/llvm/test/Transforms/SafeStack/X86/escape-vector.ll new file mode 100644 index 00000000000..76b01c7c430 --- /dev/null +++ b/llvm/test/Transforms/SafeStack/X86/escape-vector.ll @@ -0,0 +1,21 @@ +; 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.vec = type { <4 x i32> } + +@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 + +; Addr-of a vector nested in a struct +; safestack attribute +; Requires protector. +define void @foo() nounwind uwtable safestack { +entry: + ; CHECK: __safestack_unsafe_stack_ptr + %c = alloca %struct.vec, align 16 + %y = getelementptr inbounds %struct.vec, %struct.vec* %c, i64 0, i32 0 + %add.ptr = getelementptr inbounds <4 x i32>, <4 x i32>* %y, i64 -12 + %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), <4 x i32>* %add.ptr) nounwind + ret void +} + +declare i32 @printf(i8*, ...) |
