xref: /llvm-project/clang/test/SemaCXX/riscv-rvv-lax-vector-conversions.cpp (revision 56183cf608f308ff441b69dcc3ef626acbb014d4)
1 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=8 -mvscale-max=8 -flax-vector-conversions=none -ffreestanding -fsyntax-only -verify=lax-vector-none %s
2 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=8 -mvscale-max=8 -flax-vector-conversions=integer -ffreestanding -fsyntax-only -verify=lax-vector-integer %s
3 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=8 -mvscale-max=8 -flax-vector-conversions=all -ffreestanding -fsyntax-only -verify=lax-vector-all %s
4 
5 // REQUIRES: riscv-registered-target
6 
7 #define RVV_FIXED_ATTR __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)))
8 #define GNU_FIXED_ATTR __attribute__((vector_size(__riscv_v_fixed_vlen / 8)))
9 
10 typedef __rvv_int8m1_t vint8m1_t;
11 typedef __rvv_uint8m1_t vuint8m1_t;
12 typedef __rvv_int16m1_t vint16m1_t;
13 typedef __rvv_uint16m1_t vuint16m1_t;
14 typedef __rvv_int32m1_t vint32m1_t;
15 typedef __rvv_uint32m1_t vuint32m1_t;
16 typedef __rvv_int64m1_t vint64m1_t;
17 typedef __rvv_uint64m1_t vuint64m1_t;
18 typedef __rvv_float32m1_t vfloat32m1_t;
19 typedef __rvv_float64m1_t vfloat64m1_t;
20 
21 typedef vfloat32m1_t rvv_fixed_float32m1_t RVV_FIXED_ATTR;
22 typedef vint32m1_t rvv_fixed_int32m1_t RVV_FIXED_ATTR;
23 typedef float gnu_fixed_float32m1_t GNU_FIXED_ATTR;
24 typedef int gnu_fixed_int32m1_t GNU_FIXED_ATTR;
25 
rvv_allowed_with_integer_lax_conversions()26 void rvv_allowed_with_integer_lax_conversions() {
27   rvv_fixed_int32m1_t fi32;
28   vint64m1_t si64;
29 
30   // The implicit cast here should fail if -flax-vector-conversions=none, but pass if
31   // -flax-vector-conversions={integer,all}.
32   fi32 = si64;
33   // lax-vector-none-error@-1 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
34   // lax-vector-integer-error@-2 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
35   // lax-vector-all-error@-3 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
36   si64 = fi32;
37   // lax-vector-none-error@-1 {{assigning to 'vint64m1_t' (aka '__rvv_int64m1_t') from incompatible type}}
38   // lax-vector-integer-error@-2 {{assigning to 'vint64m1_t' (aka '__rvv_int64m1_t') from incompatible type}}
39   // lax-vector-all-error@-3 {{assigning to 'vint64m1_t' (aka '__rvv_int64m1_t') from incompatible type}}
40 }
41 
rvv_allowed_with_all_lax_conversions()42 void rvv_allowed_with_all_lax_conversions() {
43   rvv_fixed_float32m1_t ff32;
44   vfloat64m1_t sf64;
45 
46   // The implicit cast here should fail if -flax-vector-conversions={none,integer}, but pass if
47   // -flax-vector-conversions=all.
48   ff32 = sf64;
49   // lax-vector-none-error@-1 {{assigning to 'rvv_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
50   // lax-vector-integer-error@-2 {{assigning to 'rvv_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
51   // lax-vector-all-error@-3 {{assigning to 'rvv_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
52   sf64 = ff32;
53   // lax-vector-none-error@-1 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
54   // lax-vector-integer-error@-2 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
55   // lax-vector-all-error@-3 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
56 }
57 
gnu_allowed_with_integer_lax_conversions()58 void gnu_allowed_with_integer_lax_conversions() {
59   gnu_fixed_int32m1_t fi32;
60   vint64m1_t si64;
61 
62   // The implicit cast here should fail if -flax-vector-conversions=none, but pass if
63   // -flax-vector-conversions={integer,all}.
64   fi32 = si64;
65   // lax-vector-none-error@-1 {{assigning to 'gnu_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
66   si64 = fi32;
67   // lax-vector-none-error@-1 {{assigning to 'vint64m1_t' (aka '__rvv_int64m1_t') from incompatible type}}
68 }
69 
gnu_allowed_with_all_lax_conversions()70 void gnu_allowed_with_all_lax_conversions() {
71   gnu_fixed_float32m1_t ff32;
72   vfloat64m1_t sf64;
73 
74   // The implicit cast here should fail if -flax-vector-conversions={none,integer}, but pass if
75   // -flax-vector-conversions=all.
76   ff32 = sf64;
77   // lax-vector-none-error@-1 {{assigning to 'gnu_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
78   // lax-vector-integer-error@-2 {{assigning to 'gnu_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
79   sf64 = ff32;
80   // lax-vector-none-error@-1 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
81   // lax-vector-integer-error@-2 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
82 }
83