xref: /llvm-project/clang/test/CodeGen/target-avx-abi-diag.c (revision ef395a492aa931f428e99e1c0a93d4ad2fb0fcfa)
1 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -verify=no256,no512 -o - -S
2 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx -verify=no512 -o - -S
3 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx512f -verify=both -o - -S
4 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx512f -target-feature +evex512 -verify=both -o - -S
5 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx512f -target-feature -evex512 -verify=avx512-256 -DNOEVEX512 -o - -S
6 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx10.1-512 -verify=both -o - -S
7 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -target-feature +avx10.1-256 -verify=avx512-256 -o - -S
8 // REQUIRES: x86-registered-target
9 
10 // both-no-diagnostics
11 
12 typedef short avx512fType __attribute__((vector_size(64)));
13 typedef short avx256Type __attribute__((vector_size(32)));
14 
15 __attribute__((target("avx"))) void takesAvx256(avx256Type t);
16 __attribute__((target("avx512f"))) void takesAvx512(avx512fType t);
17 __attribute__((target("avx512f,evex512"))) void takesAvx512_2(avx512fType t);
18 void takesAvx256_no_target(avx256Type t);
19 void takesAvx512_no_target(avx512fType t);
20 
21 void variadic(int i, ...);
22 __attribute__((target("avx512f"))) void variadic_err(int i, ...);
23 
24 // If neither side has an attribute, warn.
call_warn(void)25 void call_warn(void) {
26   avx256Type t1;
27   takesAvx256_no_target(t1); // no256-warning {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
28 
29   avx512fType t2;
30   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
31   takesAvx512_no_target(t2); // no512-warning {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
32 
33   variadic(1, t1); // no256-warning {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
34   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
35   variadic(3, t2); // no512-warning {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
36 }
37 
38 // If only 1 side has an attribute, error.
call_errors(void)39 void call_errors(void) {
40   avx256Type t1;
41   takesAvx256(t1); // no256-error {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
42   avx512fType t2;
43   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
44   takesAvx512(t2); // no512-error {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
45 
46   variadic_err(1, t1); // no256-error {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
47   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
48   variadic_err(3, t2); // no512-error {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
49 }
50 
51 // Check that these errors are treated as non-fatal, so we can report them for
52 // all functions, not just the first.
call_errors_2(void)53 void call_errors_2(void) {
54   avx256Type t1;
55   takesAvx256(t1); // no256-error {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
56   avx512fType t2;
57   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
58   takesAvx512(t2); // no512-error {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
59 
60   variadic_err(1, t1); // no256-error {{AVX vector argument of type 'avx256Type' (vector of 16 'short' values) without 'avx' enabled changes the ABI}}
61   // avx512-256-error@+1 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
62   variadic_err(3, t2); // no512-error {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'avx512f' enabled changes the ABI}}
63 }
64 
call_avx256_ok(void)65 __attribute__((target("avx"))) void call_avx256_ok(void) {
66   avx256Type t;
67   takesAvx256(t);
68 }
69 
70 // Option -mno-evex512 affects target attributes. To retain the 512-bit capability, an explict "evex512" must be added together.
call_avx512_ok1(void)71 __attribute__((target("avx512f,evex512"))) void call_avx512_ok1(void) {
72   avx512fType t;
73   takesAvx512_2(t);
74 }
75 
call_avx512_ok2(void)76 __attribute__((target("avx512f"))) void call_avx512_ok2(void) {
77   avx512fType t;
78 #if defined(NOEVEX512)
79 // avx512-256-error@+2 {{AVX vector argument of type 'avx512fType' (vector of 32 'short' values) without 'evex512' enabled changes the ABI}}
80 #endif
81   takesAvx512(t);
82 }
83 #if defined(__AVX10_1__)
84 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
85 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
86 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
87 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
88 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
89 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
90 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
91 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
92 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
93 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
94 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
95 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
96 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
97 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
98 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
99 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
100 // avx512-256-warning@*:* {{invalid feature combination: +avx512f +avx10.1-256; will be promoted to avx10.1-512}}
101 #endif
102