[clang] [Clang][AArch64] Relax SVE bf16 requirement for opaque builtins. (PR #147795)

[Paul Walker via cfe-commits]

================
@@ -1,87 +0,0 @@
-// REQUIRES: aarch64-registered-target
-
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -verify -verify-ignore-unexpected=error,note -emit-llvm -o - %s
-
-#include <arm_sve.h>
-
-void test_bfloat(svbool_t pg, uint64_t u64, int64_t i64, const bfloat16_t *const_bf16_ptr, bfloat16_t *bf16_ptr, svbfloat16_t bf16, svbfloat16x2_t bf16x2, svbfloat16x3_t bf16x3, svbfloat16x4_t bf16x4)
-{
-  // expected-error at +1 {{'svcreate2_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svcreate2_bf16(bf16, bf16);
-  // expected-error at +1 {{'svcreate3_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svcreate3_bf16(bf16, bf16, bf16);
-  // expected-error at +1 {{'svcreate4_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svcreate4_bf16(bf16, bf16, bf16, bf16);
-  // expected-error at +1 {{'svget2_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svget2_bf16(bf16x2, 1);
-  // expected-error at +1 {{'svget3_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svget3_bf16(bf16x3, 1);
-  // expected-error at +1 {{'svget4_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svget4_bf16(bf16x4, 1);
-  // expected-error at +1 {{'svld1_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svld1_bf16(pg, const_bf16_ptr);
-  // expected-error at +1 {{'svld1_vnum_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svld1_vnum_bf16(pg, const_bf16_ptr, i64);
-  // expected-error at +1 {{'svld1rq_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svld1rq_bf16(pg, const_bf16_ptr);
-  // expected-error at +1 {{'svldff1_bf16' needs target feature sve,bf16}}
-  svldff1_bf16(pg, const_bf16_ptr);
-  // expected-error at +1 {{'svldff1_vnum_bf16' needs target feature sve,bf16}}
-  svldff1_vnum_bf16(pg, const_bf16_ptr, i64);
-  // expected-error at +1 {{'svldnf1_bf16' needs target feature sve,bf16}}
-  svldnf1_bf16(pg, const_bf16_ptr);
-  // expected-error at +1 {{'svldnf1_vnum_bf16' needs target feature sve,bf16}}
-  svldnf1_vnum_bf16(pg, const_bf16_ptr, i64);
-  // expected-error at +1 {{'svldnt1_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svldnt1_bf16(pg, const_bf16_ptr);
-  // expected-error at +1 {{'svldnt1_vnum_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svldnt1_vnum_bf16(pg, const_bf16_ptr, i64);
-  // expected-error at +1 {{'svrev_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svrev_bf16(bf16);
-  // expected-error at +1 {{'svset2_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svset2_bf16(bf16x2, 1, bf16);
-  // expected-error at +1 {{'svset3_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svset3_bf16(bf16x3, 1, bf16);
-  // expected-error at +1 {{'svset4_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svset4_bf16(bf16x4, 1, bf16);
-  // expected-error at +1 {{'svst1_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svst1_bf16(pg, bf16_ptr, bf16);
-  // expected-error at +1 {{'svst1_vnum_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svst1_vnum_bf16(pg, bf16_ptr, i64, bf16);
-  // expected-error at +1 {{'svstnt1_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svstnt1_bf16(pg, bf16_ptr, bf16);
-  // expected-error at +1 {{'svstnt1_vnum_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svstnt1_vnum_bf16(pg, bf16_ptr, i64, bf16);
-  // expected-error at +1 {{'svtrn1_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svtrn1_bf16(bf16, bf16);
-  // expected-error at +1 {{'svtrn1q_bf16' needs target feature sve,bf16}}
-  svtrn1q_bf16(bf16, bf16);
-  // expected-error at +1 {{'svtrn2_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svtrn2_bf16(bf16, bf16);
-  // expected-error at +1 {{'svtrn2q_bf16' needs target feature sve,bf16}}
-  svtrn2q_bf16(bf16, bf16);
-  // expected-error at +1 {{'svundef_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svundef_bf16();
-  // expected-error at +1 {{'svundef2_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svundef2_bf16();
-  // expected-error at +1 {{'svundef3_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svundef3_bf16();
-  // expected-error at +1 {{'svundef4_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svundef4_bf16();
-  // expected-error at +1 {{'svuzp1_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svuzp1_bf16(bf16, bf16);
-  // expected-error at +1 {{'svuzp1q_bf16' needs target feature sve,bf16}}
-  svuzp1q_bf16(bf16, bf16);
-  // expected-error at +1 {{'svuzp2_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svuzp2_bf16(bf16, bf16);
-  // expected-error at +1 {{'svuzp2q_bf16' needs target feature sve,bf16}}
-  svuzp2q_bf16(bf16, bf16);
-  // expected-error at +1 {{'svzip1_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svzip1_bf16(bf16, bf16);
-  // expected-error at +1 {{'svzip1q_bf16' needs target feature sve,bf16}}
-  svzip1q_bf16(bf16, bf16);
-  // expected-error at +1 {{'svzip2_bf16' needs target feature (sve,bf16)|(sme,bf16)}}
-  svzip2_bf16(bf16, bf16);
-  // expected-error at +1 {{'svzip2q_bf16' needs target feature sve,bf16}}
-  svzip2q_bf16(bf16, bf16);
-}
----------------
paulwalker-arm wrote:

After investigation I believe this is purely a testing issue and not something more serious.  It's almost like the target feature diagnostic is limited to one unique string per file so I've moved the bfmmla test into its own file.

https://github.com/llvm/llvm-project/pull/147795