1 // -----------------------------------------------------------------------------
2 // Tests for the -msve-vector-bits flag
3 // -----------------------------------------------------------------------------
4 
5 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -march=armv8-a+sve \
6 // RUN:  -msve-vector-bits=128 2>&1 | FileCheck --check-prefix=CHECK-128 %s
7 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -march=armv8-a+sve \
8 // RUN:  -msve-vector-bits=256 2>&1 | FileCheck --check-prefix=CHECK-256 %s
9 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -march=armv8-a+sve \
10 // RUN:  -msve-vector-bits=512 2>&1 | FileCheck --check-prefix=CHECK-512 %s
11 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -march=armv8-a+sve \
12 // RUN:  -msve-vector-bits=1024 2>&1 | FileCheck --check-prefix=CHECK-1024 %s
13 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -march=armv8-a+sve \
14 // RUN:  -msve-vector-bits=2048 2>&1 | FileCheck --check-prefix=CHECK-2048 %s
15 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -march=armv8-a+sve \
16 // RUN:  -msve-vector-bits=scalable 2>&1 | FileCheck --check-prefix=CHECK-SCALABLE %s
17 
18 // CHECK-128: "-msve-vector-bits=128"
19 // CHECK-256: "-msve-vector-bits=256"
20 // CHECK-512: "-msve-vector-bits=512"
21 // CHECK-1024: "-msve-vector-bits=1024"
22 // CHECK-2048: "-msve-vector-bits=2048"
23 // CHECK-SCALABLE-NOT: "-msve-vector-bits=
24 
25 // Bail out if -msve-vector-bits is specified without SVE enabled
26 // -----------------------------------------------------------------------------
27 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -msve-vector-bits=128 \
28 // RUN:  2>&1 | FileCheck --check-prefix=CHECK-NO-SVE-ERROR %s
29 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -msve-vector-bits=256 \
30 // RUN:  2>&1 | FileCheck --check-prefix=CHECK-NO-SVE-ERROR %s
31 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -msve-vector-bits=512 \
32 // RUN:  2>&1 | FileCheck --check-prefix=CHECK-NO-SVE-ERROR %s
33 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -msve-vector-bits=1024 \
34 // RUN:  2>&1 | FileCheck --check-prefix=CHECK-NO-SVE-ERROR %s
35 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -msve-vector-bits=2048 \
36 // RUN:  2>&1 | FileCheck --check-prefix=CHECK-NO-SVE-ERROR %s
37 
38 // CHECK-NO-SVE-ERROR: error: '-msve-vector-bits' is not supported without SVE enabled
39 
40 // Error out if an unsupported value is passed to -msve-vector-bits.
41 // -----------------------------------------------------------------------------
42 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -march=armv8-a+sve \
43 // RUN:  -msve-vector-bits=64 2>&1 | FileCheck --check-prefix=CHECK-BAD-VALUE-ERROR %s
44 // RUN: %clang -c %s -### -target aarch64-none-linux-gnu -march=armv8-a+sve \
45 // RUN:  -msve-vector-bits=A 2>&1 | FileCheck --check-prefix=CHECK-BAD-VALUE-ERROR %s
46 
47 // CHECK-BAD-VALUE-ERROR: error: unsupported argument '{{.*}}' to option 'msve-vector-bits='
48 
49 // Error if using attribute without -msve-vector-bits
50 // -----------------------------------------------------------------------------
51 // RUN: not %clang -c %s -o /dev/null -target aarch64-none-linux-gnu \
52 // RUN:  -march=armv8-a+sve 2>&1 | FileCheck --check-prefix=CHECK-NO-FLAG-ERROR %s
53 // RUN: not %clang -c %s -o /dev/null -target aarch64-none-linux-gnu \
54 // RUN:  -march=armv8-a+sve -msve-vector-bits=scalable 2>&1 | FileCheck --check-prefix=CHECK-NO-FLAG-ERROR %s
55 
56 typedef __SVInt32_t svint32_t;
57 typedef svint32_t noflag __attribute__((arm_sve_vector_bits(256)));
58 
59 // CHECK-NO-FLAG-ERROR: error: 'arm_sve_vector_bits' is only supported when '-msve-vector-bits=<bits>' is specified with a value of 128, 256, 512, 1024 or 2048
60 
61 // Error if attribute vector size != -msve-vector-bits
62 // -----------------------------------------------------------------------------
63 // RUN: not %clang -c %s -o /dev/null -target aarch64-none-linux-gnu \
64 // RUN:  -march=armv8-a+sve -msve-vector-bits=128 2>&1 | FileCheck --check-prefix=CHECK-BAD-VECTOR-SIZE-ERROR %s
65 
66 typedef svint32_t bad_vector_size __attribute__((arm_sve_vector_bits(256)));
67 
68 // CHECK-BAD-VECTOR-SIZE-ERROR: error: invalid SVE vector size '256', must match value set by '-msve-vector-bits' ('128')
69