xref: /llvm-project/llvm/test/MC/ARM/lower-upper-errors.s (revision d97f17a95982bab49ecdfb9b45ef3c7d7e3d143e)
1*d97f17a9SSimon Tatham// RUN: not llvm-mc --triple thumbv6m %s 2>&1 | FileCheck %s --check-prefixes=CHECK,THUMB1
2*d97f17a9SSimon Tatham// RUN: not llvm-mc --triple thumbv7m %s 2>&1 | FileCheck %s --check-prefixes=CHECK,THUMB2
3*d97f17a9SSimon Tatham
4*d97f17a9SSimon Tatham// This test checks reporting of errors of the form "you should have
5*d97f17a9SSimon Tatham// used :lower16: in this immediate field", during initial reading of
6*d97f17a9SSimon Tatham// the source file.
7*d97f17a9SSimon Tatham//
8*d97f17a9SSimon Tatham// For errors that are reported at object-file output time, see
9*d97f17a9SSimon Tatham// lower-upper-errors-2.s.
10*d97f17a9SSimon Tatham
11*d97f17a9SSimon Tatham// CHECK: :[[@LINE+1]]:10: error: Immediate expression for Thumb movs requires :lower0_7:, :lower8_15:, :upper0_7: or :upper8_15:
12*d97f17a9SSimon Tathammovs r0, #foo
13*d97f17a9SSimon Tatham
14*d97f17a9SSimon Tatham// CHECK: :[[@LINE+1]]:10: error: Immediate expression for Thumb adds requires :lower0_7:, :lower8_15:, :upper0_7: or :upper8_15:
15*d97f17a9SSimon Tathamadds r0, #foo
16*d97f17a9SSimon Tatham
17*d97f17a9SSimon Tatham// THUMB2: :[[@LINE+1]]:10: error: immediate expression for mov requires :lower16: or :upper16
18*d97f17a9SSimon Tathammovw r0, #foo
19*d97f17a9SSimon Tatham
20*d97f17a9SSimon Tatham// THUMB2: :[[@LINE+1]]:10: error: immediate expression for mov requires :lower16: or :upper16
21*d97f17a9SSimon Tathammovt r0, #foo
22*d97f17a9SSimon Tatham
23*d97f17a9SSimon Tatham// With a Thumb2 wide add instruction available, this case isn't an error
24*d97f17a9SSimon Tatham// while reading the source file. It only causes a problem when an object
25*d97f17a9SSimon Tatham// file is output, and it turns out there's no suitable relocation to ask
26*d97f17a9SSimon Tatham// for the value of an external symbol to be turned into a Thumb shifted
27*d97f17a9SSimon Tatham// immediate field. And in this case the other errors in this source file
28*d97f17a9SSimon Tatham// cause assembly to terminate before reaching the object-file output stage
29*d97f17a9SSimon Tatham// (even if a test run had had -filetype=obj).
30*d97f17a9SSimon Tatham
31*d97f17a9SSimon Tatham// THUMB1: :[[@LINE+2]]:14: error: Immediate expression for Thumb adds requires :lower0_7:, :lower8_15:, :upper0_7: or :upper8_15:
32*d97f17a9SSimon Tatham// THUMB2-NOT: :[[@LINE+1]]:{{[0-9]+}}: error:
33*d97f17a9SSimon Tathamadds r0, r0, #foo
34*d97f17a9SSimon Tatham
35*d97f17a9SSimon Tatham// Similarly for this version, which _must_ be the wide encoding due
36*d97f17a9SSimon Tatham// to the use of a high register and the lack of flag-setting.
37*d97f17a9SSimon Tatham
38*d97f17a9SSimon Tatham// THUMB1: :[[@LINE+2]]:1: error: invalid instruction
39*d97f17a9SSimon Tatham// THUMB2-NOT: :[[@LINE+1]]:{{[0-9]+}}: error:
40*d97f17a9SSimon Tathamadd r9, r0, #foo
41*d97f17a9SSimon Tatham
42*d97f17a9SSimon Tatham// CHECK: :[[@LINE+1]]:10: error: Immediate expression for Thumb movs requires :lower0_7:, :lower8_15:, :upper0_7: or :upper8_15:
43*d97f17a9SSimon Tathammovs r0, :lower16:#foo
44*d97f17a9SSimon Tatham
45*d97f17a9SSimon Tatham// This is invalid in either architecture: in Thumb1 it can't use a
46*d97f17a9SSimon Tatham// high register, and in Thumb2 it can't use :upper8_15:. But the
47*d97f17a9SSimon Tatham// Thumb2 case won't cause an error until output.
48*d97f17a9SSimon Tatham
49*d97f17a9SSimon Tatham// THUMB1: :[[@LINE+2]]:1: error: invalid instruction
50*d97f17a9SSimon Tatham// THUMB2-NOT: :[[@LINE+1]]:{{[0-9]+}}: error:
51*d97f17a9SSimon Tathammovs r11, :upper8_15:#foo
52