xref: /llvm-project/clang/test/SemaCXX/aarch64-sve-lax-vector-conversions.cpp (revision 123064dc397d478a636ba1c5960d41ad381036a0)
1 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -mvscale-min=4 -mvscale-max=4 -flax-vector-conversions=none -ffreestanding -fsyntax-only -verify=lax-vector-none %s
2 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -mvscale-min=4 -mvscale-max=4 -flax-vector-conversions=integer -ffreestanding -fsyntax-only -verify=lax-vector-integer %s
3 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -mvscale-min=4 -mvscale-max=4 -flax-vector-conversions=all -ffreestanding -fsyntax-only -verify=lax-vector-all %s
4 
5 // REQUIRES: aarch64-registered-target || arm-registered-target
6 
7 #include <arm_sve.h>
8 
9 #define N __ARM_FEATURE_SVE_BITS
10 #define SVE_FIXED_ATTR __attribute__((arm_sve_vector_bits(N)))
11 #define GNU_FIXED_ATTR __attribute__((vector_size(N / 8)))
12 #define GNU_BOOL_FIXED_ATTR __attribute__((vector_size(N / 64)))
13 
14 typedef svfloat32_t sve_fixed_float32_t SVE_FIXED_ATTR;
15 typedef svint32_t sve_fixed_int32_t SVE_FIXED_ATTR;
16 typedef svbool_t sve_fixed_bool_t SVE_FIXED_ATTR;
17 typedef float gnu_fixed_float32_t GNU_FIXED_ATTR;
18 typedef int gnu_fixed_int32_t GNU_FIXED_ATTR;
19 typedef int8_t gnu_fixed_bool_t GNU_BOOL_FIXED_ATTR;
20 
sve_allowed_with_integer_lax_conversions()21 void sve_allowed_with_integer_lax_conversions() {
22   sve_fixed_int32_t fi32;
23   svint64_t si64;
24   svbool_t sb8;
25   sve_fixed_bool_t fb8;
26 
27   // The implicit cast here should fail if -flax-vector-conversions=none, but pass if
28   // -flax-vector-conversions={integer,all}.
29   fi32 = si64;
30   // lax-vector-none-error@-1 {{assigning to 'sve_fixed_int32_t' (vector of 16 'int' values) from incompatible type}}
31   si64 = fi32;
32   // lax-vector-none-error@-1 {{assigning to 'svint64_t' (aka '__SVInt64_t') from incompatible type}}
33 
34   fi32 = sb8;
35   // lax-vector-none-error@-1 {{assigning to 'sve_fixed_int32_t' (vector of 16 'int' values) from incompatible type}}
36   // lax-vector-integer-error@-2 {{assigning to 'sve_fixed_int32_t' (vector of 16 'int' values) from incompatible type}}
37   // lax-vector-all-error@-3 {{assigning to 'sve_fixed_int32_t' (vector of 16 'int' values) from incompatible type}}
38   sb8 = fi32;
39   // lax-vector-none-error@-1 {{assigning to 'svbool_t' (aka '__SVBool_t') from incompatible type}}
40   // lax-vector-integer-error@-2 {{assigning to 'svbool_t' (aka '__SVBool_t') from incompatible type}}
41   // lax-vector-all-error@-3 {{assigning to 'svbool_t' (aka '__SVBool_t') from incompatible type}}
42 
43   si64 = fb8;
44   // lax-vector-none-error@-1 {{assigning to 'svint64_t' (aka '__SVInt64_t') from incompatible type}}
45   // lax-vector-integer-error@-2 {{assigning to 'svint64_t' (aka '__SVInt64_t') from incompatible type}}
46   // lax-vector-all-error@-3 {{assigning to 'svint64_t' (aka '__SVInt64_t') from incompatible type}}
47 
48   fb8 = si64;
49   // lax-vector-none-error@-1 {{assigning to 'sve_fixed_bool_t' (vector of 8 'unsigned char' values) from incompatible type}}
50   // lax-vector-integer-error@-2 {{assigning to 'sve_fixed_bool_t' (vector of 8 'unsigned char' values) from incompatible type}}
51   // lax-vector-all-error@-3 {{assigning to 'sve_fixed_bool_t' (vector of 8 'unsigned char' values) from incompatible type}}
52 }
53 
sve_allowed_with_all_lax_conversions()54 void sve_allowed_with_all_lax_conversions() {
55   sve_fixed_float32_t ff32;
56   svfloat64_t sf64;
57 
58   // The implicit cast here should fail if -flax-vector-conversions={none,integer}, but pass if
59   // -flax-vector-conversions=all.
60   ff32 = sf64;
61   // lax-vector-none-error@-1 {{assigning to 'sve_fixed_float32_t' (vector of 16 'float' values) from incompatible type}}
62   // lax-vector-integer-error@-2 {{assigning to 'sve_fixed_float32_t' (vector of 16 'float' values) from incompatible type}}
63   sf64 = ff32;
64   // lax-vector-none-error@-1 {{assigning to 'svfloat64_t' (aka '__SVFloat64_t') from incompatible type}}
65   // lax-vector-integer-error@-2 {{assigning to 'svfloat64_t' (aka '__SVFloat64_t') from incompatible type}}
66 }
67 
gnu_allowed_with_integer_lax_conversions()68 void gnu_allowed_with_integer_lax_conversions() {
69   gnu_fixed_int32_t fi32;
70   svint64_t si64;
71   svbool_t sb8;
72   gnu_fixed_bool_t fb8;
73 
74   // The implicit cast here should fail if -flax-vector-conversions=none, but pass if
75   // -flax-vector-conversions={integer,all}.
76   fi32 = si64;
77   // lax-vector-none-error@-1 {{assigning to 'gnu_fixed_int32_t' (vector of 16 'int' values) from incompatible type}}
78   si64 = fi32;
79   // lax-vector-none-error@-1 {{assigning to 'svint64_t' (aka '__SVInt64_t') from incompatible type}}
80 
81   fi32 = sb8;
82   // lax-vector-none-error@-1 {{assigning to 'gnu_fixed_int32_t' (vector of 16 'int' values) from incompatible type}}
83   // lax-vector-integer-error@-2 {{assigning to 'gnu_fixed_int32_t' (vector of 16 'int' values) from incompatible type}}
84   // lax-vector-all-error@-3 {{assigning to 'gnu_fixed_int32_t' (vector of 16 'int' values) from incompatible type}}
85   sb8 = fi32;
86   // lax-vector-none-error@-1 {{assigning to 'svbool_t' (aka '__SVBool_t') from incompatible type}}
87   // lax-vector-integer-error@-2 {{assigning to 'svbool_t' (aka '__SVBool_t') from incompatible type}}
88   // lax-vector-all-error@-3 {{assigning to 'svbool_t' (aka '__SVBool_t') from incompatible type}}
89 
90   fb8 = si64;
91   // lax-vector-none-error@-1 {{assigning to 'gnu_fixed_bool_t' (vector of 8 'int8_t' values) from incompatible type}}
92   // lax-vector-integer-error@-2 {{assigning to 'gnu_fixed_bool_t' (vector of 8 'int8_t' values) from incompatible type}}
93   // lax-vector-all-error@-3 {{assigning to 'gnu_fixed_bool_t' (vector of 8 'int8_t' values) from incompatible type}}
94   si64 = fb8;
95   // lax-vector-none-error@-1 {{assigning to 'svint64_t' (aka '__SVInt64_t') from incompatible type}}
96   // lax-vector-integer-error@-2 {{assigning to 'svint64_t' (aka '__SVInt64_t') from incompatible type}}
97   // lax-vector-all-error@-3 {{assigning to 'svint64_t' (aka '__SVInt64_t') from incompatible type}}
98 }
99 
gnu_allowed_with_all_lax_conversions()100 void gnu_allowed_with_all_lax_conversions() {
101   gnu_fixed_float32_t ff32;
102   svfloat64_t sf64;
103 
104   // The implicit cast here should fail if -flax-vector-conversions={none,integer}, but pass if
105   // -flax-vector-conversions=all.
106   ff32 = sf64;
107   // lax-vector-none-error@-1 {{assigning to 'gnu_fixed_float32_t' (vector of 16 'float' values) from incompatible type}}
108   // lax-vector-integer-error@-2 {{assigning to 'gnu_fixed_float32_t' (vector of 16 'float' values) from incompatible type}}
109   sf64 = ff32;
110   // lax-vector-none-error@-1 {{assigning to 'svfloat64_t' (aka '__SVFloat64_t') from incompatible type}}
111   // lax-vector-integer-error@-2 {{assigning to 'svfloat64_t' (aka '__SVFloat64_t') from incompatible type}}
112 }
113