diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/stack-protector-remarks.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/stack-protector-remarks.ll | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/stack-protector-remarks.ll b/llvm/test/CodeGen/X86/stack-protector-remarks.ll new file mode 100644 index 00000000000..a86976ddb32 --- /dev/null +++ b/llvm/test/CodeGen/X86/stack-protector-remarks.ll @@ -0,0 +1,91 @@ +; RUN: llc %s -pass-remarks=stack-protector -o /dev/null 2>&1 | FileCheck %s +; CHECK-NOT: nossp +; CHECK: function attribute_ssp +; CHECK-SAME: a function attribute or command-line switch +; CHECK-NOT: alloca_fixed_small_nossp +; CHECK: function alloca_fixed_small_ssp +; CHECK-SAME: a call to alloca or use of a variable length array +; CHECK: function alloca_fixed_large_ssp +; CHECK-SAME: a call to alloca or use of a variable length array +; CHECK: function alloca_variable_ssp +; CHECK-SAME: a call to alloca or use of a variable length array +; CHECK: function buffer_ssp +; CHECK-SAME: a stack allocated buffer or struct containing a buffer +; CHECK: function struct_ssp +; CHECK-SAME: a stack allocated buffer or struct containing a buffer +; CHECK: function address_ssp +; CHECK-SAME: the address of a local variable being taken +; CHECK: function multiple_ssp +; CHECK-SAME: a function attribute or command-line switch +; CHECK: function multiple_ssp +; CHECK-SAME: a stack allocated buffer or struct containing a buffer +; CHECK: function multiple_ssp +; CHECK-SAME: a stack allocated buffer or struct containing a buffer +; CHECK: function multiple_ssp +; CHECK-SAME: the address of a local variable being taken +; CHECK: function multiple_ssp +; CHECK-SAME: a call to alloca or use of a variable length array + +; Check that no remark is emitted when the switch is not specified. +; RUN: llc %s -o /dev/null 2>&1 | FileCheck %s -check-prefix=NOREMARK -allow-empty +; NOREMARK-NOT: ssp + +define void @nossp() ssp { + ret void +} + +define void @attribute_ssp() sspreq { + ret void +} + +define void @alloca_fixed_small_nossp() ssp { + %1 = alloca i8, i64 2, align 16 + ret void +} + +define void @alloca_fixed_small_ssp() sspstrong { + %1 = alloca i8, i64 2, align 16 + ret void +} + +define void @alloca_fixed_large_ssp() ssp { + %1 = alloca i8, i64 64, align 16 + ret void +} + +define void @alloca_variable_ssp(i64 %x) ssp { + %1 = alloca i8, i64 %x, align 16 + ret void +} + +define void @buffer_ssp() sspstrong { + %x = alloca [64 x i32], align 16 + ret void +} + +%struct.X = type { [64 x i32] } +define void @struct_ssp() sspstrong { + %x = alloca %struct.X, align 4 + ret void +} + +define void @address_ssp() sspstrong { +entry: + %x = alloca i32, align 4 + %y = alloca i32*, align 8 + store i32 32, i32* %x, align 4 + store i32* %x, i32** %y, align 8 + ret void +} + +define void @multiple_ssp() sspreq { +entry: + %x = alloca %struct.X, align 4 + %y = alloca [64 x i32], align 16 + %a = alloca i32, align 4 + %b = alloca i32*, align 8 + %0 = alloca i8, i64 2, align 16 + store i32 32, i32* %a, align 4 + store i32* %a, i32** %b, align 8 + ret void +} |

