clang/test/CodeGen/AArch64/subarch-compatbility.c

   1 // REQUIRES: aarch64-registered-target
   2 // RUN: %clang -target aarch64-none-linux -march=armv9.3-a -o %t -c %s 2>&1 | FileCheck --allow-empty %s
   3
   4 // Successor targets should be ableto call predecessor target functions.
   5 __attribute__((__always_inline__,target("v8a")))
   6 int armv80(int i) {
   7     return i + 42;
   8 }
   9
  10 __attribute__((__always_inline__,target("v8.1a")))
  11 int armv81(int i) {
  12     return armv80(i);
  13 }
  14
  15 __attribute__((__always_inline__,target("v8.2a")))
  16 int armv82(int i) {
  17     return armv81(i);
  18 }
  19
  20 __attribute__((__always_inline__,target("v8.3a")))
  21 int armv83(int i) {
  22     return armv82(i);
  23 }
  24
  25 __attribute__((__always_inline__,target("v8.4a")))
  26 int armv84(int i) {
  27     return armv83(i);
  28 }
  29
  30 __attribute__((__always_inline__,target("v8.5a")))
  31 int armv85(int i) {
  32     return armv84(i);
  33 }
  34
  35 __attribute__((__always_inline__,target("v8.6a")))
  36 int armv86(int i) {
  37     return armv85(i);
  38 }
  39
  40 __attribute__((__always_inline__,target("v8.7a")))
  41 int armv87(int i) {
  42     return armv86(i);
  43 }
  44
  45 __attribute__((__always_inline__,target("v8.8a")))
  46 int armv88(int i) {
  47     return armv87(i);
  48 }
  49
  50 __attribute__((__always_inline__,target("v9a")))
  51 int armv9(int i) {
  52     return armv85(i);
  53 }
  54
  55 __attribute__((__always_inline__,target("v9.1a")))
  56 int armv91(int i) {
  57     return armv9(i);
  58 }
  59
  60 __attribute__((__always_inline__,target("v9.2a")))
  61 int armv92(int i) {
  62     return armv91(i);
  63 }
  64
  65 __attribute__((__always_inline__,target("v9.3a")))
  66 int armv93(int i) {
  67     return armv92(i);
  68 }
  69
  70 // CHECK-NOT: always_inline function {{.*}} requires target feature {{.*}}, but would be inlined into function {{.*}} that is compiled without support for {{.*}}
  71 // CHECK-NOT: {{.*}} is not a recognized feature for this target