104 lines
3.2 KiB
LLVM
104 lines
3.2 KiB
LLVM
; RUN: llc %s -mtriple=x86_64-unknown-unknown -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 -mtriple=x86_64-unknown-unknown -o /dev/null 2>&1 | FileCheck %s -check-prefix=NOREMARK -allow-empty
|
|
; NOREMARK-NOT: ssp
|
|
|
|
; RUN: llc %s -mtriple=x86_64-unknown-unknown -o /dev/null -pass-remarks-output=%t.yaml
|
|
; RUN: cat %t.yaml | FileCheck %s -check-prefix=YAML
|
|
; YAML: --- !Passed
|
|
; YAML-NEXT: Pass: stack-protector
|
|
; YAML-NEXT: Name: StackProtectorRequested
|
|
; YAML-NEXT: Function: attribute_ssp
|
|
; YAML-NEXT: Args:
|
|
; YAML-NEXT: - String: 'Stack protection applied to function '
|
|
; YAML-NEXT: - Function: attribute_ssp
|
|
; YAML-NEXT: - String: ' due to a function attribute or command-line switch'
|
|
; YAML-NEXT: ...
|
|
|
|
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
|
|
}
|