xref: /llvm-project/clang/test/Sema/aarch64-streaming-sme-or-nonstreaming-sve-builtins.c (revision f22e6d59190b03434b2a604399670d1b750d63c2)
1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
2 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fsyntax-only -verify %s
3 
4 // REQUIRES: aarch64-registered-target
5 
6 #include <arm_sve.h>
7 
8 __attribute__((target("+sve2p1")))
9 svfloat32_t good1(svfloat32_t a, svfloat32_t b, svfloat32_t c) {
10   return svclamp(a, b, c);
11 }
12 
13 __attribute__((target("+sme2")))
14 svfloat32_t good2(svfloat32_t a, svfloat32_t b, svfloat32_t c) __arm_streaming {
15   return svclamp(a, b, c);
16 }
17 
18 __attribute__((target("+sve2p1,+sme2")))
19 svfloat32_t good3(svfloat32_t a, svfloat32_t b, svfloat32_t c) __arm_streaming_compatible {
20   return svclamp(a, b, c);
21 }
22 
23 __attribute__((target("+sve2p1,+sme2")))
24 svfloat32_t good4(svfloat32_t a, svfloat32_t b, svfloat32_t c) __arm_streaming {
25   return svclamp(a, b, c);
26 }
27 
28 __attribute__((target("+sve2p1")))
29 svfloat32_t good5(svfloat32_t a, svfloat32_t b, svfloat32_t c) __arm_streaming_compatible {
30   return svclamp(a, b, c);
31 }
32 
33 // Even though svclamp is not available in streaming mode without +sme2,
34 // the behaviour should be the same as above, irrespective of whether +sme
35 // is passed or not.
36 __attribute__((target("+sve2p1,+sme")))
37 svfloat32_t good6(svfloat32_t a, svfloat32_t b, svfloat32_t c) __arm_streaming_compatible {
38   return svclamp(a, b, c);
39 }
40 
41 // Test that the +sve-b16b16 is not considered an SVE flag (it applies to both)
42 __attribute__((target("+sme2,+sve2,+sve-b16b16")))
43 svbfloat16_t good7(svbfloat16_t a, svbfloat16_t b, svbfloat16_t c) __arm_streaming {
44     return svclamp_bf16(a, b, c);
45 }
46 
47 // Without '+sme2', the builtin is only valid in non-streaming mode.
48 __attribute__((target("+sve2p1,+sme")))
49 svfloat32_t bad1(svfloat32_t a, svfloat32_t b, svfloat32_t c) __arm_streaming {
50   return svclamp(a, b, c) + svclamp(a, b, c); // expected-error{{builtin can only be called from a non-streaming function}} \
51                                               // expected-error{{builtin can only be called from a non-streaming function}}
52 }
53 
54 // Without '+sve2p1', the builtin is only valid in streaming mode.
55 __attribute__((target("+sve2,+sme2")))
56 svfloat32_t bad2(svfloat32_t a, svfloat32_t b, svfloat32_t c) {
57   return svclamp(a, b, c) + svclamp(a, b, c); // expected-error{{builtin can only be called from a streaming function}} \
58                                               // expected-error{{builtin can only be called from a streaming function}}
59 }
60 
61 __attribute__((target("+sve2,+sme2")))
62 svfloat32_t bad4(svfloat32_t a, svfloat32_t b, svfloat32_t c) __arm_streaming_compatible {
63   return svclamp(a, b, c) + svclamp(a, b, c); // expected-error{{builtin can only be called from a streaming function}} \
64                                               // expected-error{{builtin can only be called from a streaming function}}
65 }
66 
67 // We don't want a warning about undefined behaviour if none of the feature requirements of the builtin are satisfied.
68 // (this results in a target-guard error emitted by Clang CodeGen)
69 svfloat32_t bad5(svfloat32_t a, svfloat32_t b, svfloat32_t c) {
70   return svclamp(a, b, c);
71 }
72