[ARM] arm_acle.h add Coprocessor Instrinsics (#75440)

https://github.com/llvm/llvm-project/issues/75424 

Add Coprocessor Instrinsics

5 files changed, 520 insertions, 0 deletions

diff --git a/clang/lib/Basic/Targets/ARM.cpp b/clang/lib/Basic/Targets/ARM.cpp
index 01f9e844da12..a72bd42bad41 100644
--- a/clang/lib/Basic/Targets/ARM.cpp
+++ b/clang/lib/Basic/Targets/ARM.cpp
@@ -17,6 +17,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSwitch.h"
+#include "llvm/TargetParser/ARMTargetParser.h"
 
 using namespace clang;
 using namespace clang::targets;
@@ -837,6 +838,69 @@ void ARMTargetInfo::getTargetDefines(const LangOptions &Opts,
   if (Opts.RWPI)
     Builder.defineMacro("__ARM_RWPI", "1");
 
+  // Macros for enabling co-proc intrinsics
+  uint64_t FeatureCoprocBF = 0;
+  switch (ArchKind) {
+  default:
+    break;
+  case llvm::ARM::ArchKind::ARMV4:
+  case llvm::ARM::ArchKind::ARMV4T:
+    // Filter __arm_ldcl and __arm_stcl in acle.h
+    FeatureCoprocBF = isThumb() ? 0 : FEATURE_COPROC_B1;
+    break;
+  case llvm::ARM::ArchKind::ARMV5T:
+    FeatureCoprocBF = isThumb() ? 0 : FEATURE_COPROC_B1 | FEATURE_COPROC_B2;
+    break;
+  case llvm::ARM::ArchKind::ARMV5TE:
+  case llvm::ARM::ArchKind::ARMV5TEJ:
+    if (!isThumb())
+      FeatureCoprocBF =
+          FEATURE_COPROC_B1 | FEATURE_COPROC_B2 | FEATURE_COPROC_B3;
+    break;
+  case llvm::ARM::ArchKind::ARMV6:
+  case llvm::ARM::ArchKind::ARMV6K:
+  case llvm::ARM::ArchKind::ARMV6KZ:
+  case llvm::ARM::ArchKind::ARMV6T2:
+    if (!isThumb() || ArchKind == llvm::ARM::ArchKind::ARMV6T2)
+      FeatureCoprocBF = FEATURE_COPROC_B1 | FEATURE_COPROC_B2 |
+                        FEATURE_COPROC_B3 | FEATURE_COPROC_B4;
+    break;
+  case llvm::ARM::ArchKind::ARMV7A:
+  case llvm::ARM::ArchKind::ARMV7R:
+  case llvm::ARM::ArchKind::ARMV7M:
+  case llvm::ARM::ArchKind::ARMV7S:
+  case llvm::ARM::ArchKind::ARMV7EM:
+    FeatureCoprocBF = FEATURE_COPROC_B1 | FEATURE_COPROC_B2 |
+                      FEATURE_COPROC_B3 | FEATURE_COPROC_B4;
+    break;
+  case llvm::ARM::ArchKind::ARMV8A:
+  case llvm::ARM::ArchKind::ARMV8R:
+  case llvm::ARM::ArchKind::ARMV8_1A:
+  case llvm::ARM::ArchKind::ARMV8_2A:
+  case llvm::ARM::ArchKind::ARMV8_3A:
+  case llvm::ARM::ArchKind::ARMV8_4A:
+  case llvm::ARM::ArchKind::ARMV8_5A:
+  case llvm::ARM::ArchKind::ARMV8_6A:
+  case llvm::ARM::ArchKind::ARMV8_7A:
+  case llvm::ARM::ArchKind::ARMV8_8A:
+  case llvm::ARM::ArchKind::ARMV8_9A:
+  case llvm::ARM::ArchKind::ARMV9A:
+  case llvm::ARM::ArchKind::ARMV9_1A:
+  case llvm::ARM::ArchKind::ARMV9_2A:
+  case llvm::ARM::ArchKind::ARMV9_3A:
+  case llvm::ARM::ArchKind::ARMV9_4A:
+    // Filter __arm_cdp, __arm_ldcl, __arm_stcl in arm_acle.h
+    FeatureCoprocBF = FEATURE_COPROC_B1 | FEATURE_COPROC_B3;
+    break;
+  case llvm::ARM::ArchKind::ARMV8MMainline:
+  case llvm::ARM::ArchKind::ARMV8_1MMainline:
+    FeatureCoprocBF = FEATURE_COPROC_B1 | FEATURE_COPROC_B2 |
+                      FEATURE_COPROC_B3 | FEATURE_COPROC_B4;
+    break;
+  }
+  Builder.defineMacro("__ARM_FEATURE_COPROC",
+                      "0x" + Twine::utohexstr(FeatureCoprocBF));
+
   if (ArchKind == llvm::ARM::ArchKind::XSCALE)
     Builder.defineMacro("__XSCALE__");
 
diff --git a/clang/lib/Basic/Targets/ARM.h b/clang/lib/Basic/Targets/ARM.h
index b1aa2794c7e4..9802eb01abf3 100644
--- a/clang/lib/Basic/Targets/ARM.h
+++ b/clang/lib/Basic/Targets/ARM.h
@@ -100,6 +100,19 @@ class LLVM_LIBRARY_VISIBILITY ARMTargetInfo : public TargetInfo {
   };
   uint32_t HW_FP;
 
+  enum {
+    /// __arm_cdp __arm_ldc, __arm_ldcl, __arm_stc,
+    /// __arm_stcl, __arm_mcr and __arm_mrc
+    FEATURE_COPROC_B1 = (1 << 0),
+    /// __arm_cdp2, __arm_ldc2, __arm_stc2, __arm_ldc2l,
+    /// __arm_stc2l, __arm_mcr2 and __arm_mrc2
+    FEATURE_COPROC_B2 = (1 << 1),
+    /// __arm_mcrr, __arm_mrrc
+    FEATURE_COPROC_B3 = (1 << 2),
+    /// __arm_mcrr2,  __arm_mrrc2
+    FEATURE_COPROC_B4 = (1 << 3),
+  };
+
   void setABIAAPCS();
   void setABIAPCS(bool IsAAPCS16);
 
diff --git a/clang/lib/Headers/arm_acle.h b/clang/lib/Headers/arm_acle.h
index 61d80258d166..9aae2285aeb1 100644
--- a/clang/lib/Headers/arm_acle.h
+++ b/clang/lib/Headers/arm_acle.h
@@ -756,6 +756,65 @@ __arm_st64bv0(void *__addr, data512_t __value) {
   __builtin_arm_mops_memset_tag(__tagged_address, __value, __size)
 #endif
 
+/* Coprocessor Intrinsics */
+#if defined(__ARM_FEATURE_COPROC)
+
+#if (__ARM_FEATURE_COPROC & 0x1)
+
+#if (__ARM_ARCH < 8)
+#define __arm_cdp(coproc, opc1, CRd, CRn, CRm, opc2)                           \
+  __builtin_arm_cdp(coproc, opc1, CRd, CRn, CRm, opc2)
+#endif /* __ARM_ARCH < 8 */
+
+#define __arm_ldc(coproc, CRd, p) __builtin_arm_ldc(coproc, CRd, p)
+#define __arm_stc(coproc, CRd, p) __builtin_arm_stc(coproc, CRd, p)
+
+#define __arm_mcr(coproc, opc1, value, CRn, CRm, opc2)                         \
+  __builtin_arm_mcr(coproc, opc1, value, CRn, CRm, opc2)
+#define __arm_mrc(coproc, opc1, CRn, CRm, opc2)                                \
+  __builtin_arm_mrc(coproc, opc1, CRn, CRm, opc2)
+
+#if (__ARM_ARCH != 4) && (__ARM_ARCH < 8)
+#define __arm_ldcl(coproc, CRd, p) __builtin_arm_ldcl(coproc, CRd, p)
+#define __arm_stcl(coproc, CRd, p) __builtin_arm_stcl(coproc, CRd, p)
+#endif /* (__ARM_ARCH != 4) && (__ARM_ARCH != 8) */
+
+#if (__ARM_ARCH_8M_MAIN__) || (__ARM_ARCH_8_1M_MAIN__)
+#define __arm_cdp(coproc, opc1, CRd, CRn, CRm, opc2)                           \
+  __builtin_arm_cdp(coproc, opc1, CRd, CRn, CRm, opc2)
+#define __arm_ldcl(coproc, CRd, p) __builtin_arm_ldcl(coproc, CRd, p)
+#define __arm_stcl(coproc, CRd, p) __builtin_arm_stcl(coproc, CRd, p)
+#endif /* ___ARM_ARCH_8M_MAIN__ */
+
+#endif /* __ARM_FEATURE_COPROC & 0x1 */
+
+#if (__ARM_FEATURE_COPROC & 0x2)
+#define __arm_cdp2(coproc, opc1, CRd, CRn, CRm, opc2)                          \
+  __builtin_arm_cdp2(coproc, opc1, CRd, CRn, CRm, opc2)
+#define __arm_ldc2(coproc, CRd, p) __builtin_arm_ldc2(coproc, CRd, p)
+#define __arm_stc2(coproc, CRd, p) __builtin_arm_stc2(coproc, CRd, p)
+#define __arm_ldc2l(coproc, CRd, p) __builtin_arm_ldc2l(coproc, CRd, p)
+#define __arm_stc2l(coproc, CRd, p) __builtin_arm_stc2l(coproc, CRd, p)
+#define __arm_mcr2(coproc, opc1, value, CRn, CRm, opc2)                        \
+  __builtin_arm_mcr2(coproc, opc1, value, CRn, CRm, opc2)
+#define __arm_mrc2(coproc, opc1, CRn, CRm, opc2)                               \
+  __builtin_arm_mrc2(coproc, opc1, CRn, CRm, opc2)
+#endif
+
+#if (__ARM_FEATURE_COPROC & 0x4)
+#define __arm_mcrr(coproc, opc1, value, CRm)                                   \
+  __builtin_arm_mcrr(coproc, opc1, value, CRm)
+#define __arm_mrrc(coproc, opc1, CRm) __builtin_arm_mrrc(coproc, opc1, CRm)
+#endif
+
+#if (__ARM_FEATURE_COPROC & 0x8)
+#define __arm_mcrr2(coproc, opc1, value, CRm)                                  \
+  __builtin_arm_mcrr2(coproc, opc1, value, CRm)
+#define __arm_mrrc2(coproc, opc1, CRm) __builtin_arm_mrrc2(coproc, opc1, CRm)
+#endif
+
+#endif // __ARM_FEATURE_COPROC
+
 /* Transactional Memory Extension (TME) Intrinsics */
 #if defined(__ARM_FEATURE_TME) && __ARM_FEATURE_TME
 
diff --git a/clang/test/CodeGen/arm-acle-coproc.c b/clang/test/CodeGen/arm-acle-coproc.c
new file mode 100644
index 000000000000..cf87130932ed
--- /dev/null
+++ b/clang/test/CodeGen/arm-acle-coproc.c
@@ -0,0 +1,383 @@
+// RUN: %clang_cc1 -triple armv4 %s -E -dD -o - | FileCheck --check-prefix=CHECK-V4 %s
+// RUN: %clang_cc1 -triple armv4t %s -E -dD -o - | FileCheck --check-prefix=CHECK-V4 %s
+// RUN: %clang_cc1 -triple armv5 %s -E -dD -o - | FileCheck --check-prefix=CHECK-V5 %s
+// RUN: %clang_cc1 -triple armv5te %s -E -dD -o - | FileCheck --check-prefix=CHECK-V5-TE %s
+// RUN: %clang_cc1 -triple armv5tej %s -E -dD -o - | FileCheck --check-prefix=CHECK-V5-TE %s
+// RUN: %clang_cc1 -triple armv6 %s -E -dD -o - | FileCheck --check-prefix=CHECK-V6 %s
+// RUN: %clang_cc1 -triple armv6m %s -E -dD -o - | FileCheck --check-prefix=CHECK-V6M %s
+// RUN: %clang_cc1 -triple armv7a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V7 %s
+// RUN: %clang_cc1 -triple armv7r %s -E -dD -o - | FileCheck --check-prefix=CHECK-V7 %s
+// RUN: %clang_cc1 -triple armv7m %s -E -dD -o - | FileCheck --check-prefix=CHECK-V7 %s
+// RUN: %clang_cc1 -triple armv8a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8r %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.1a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.2a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.3a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.4a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.5a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.6a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.7a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.8a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv8.9a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv9a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv9.1a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv9.2a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv9.3a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple armv9.4a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv4 %s -E -dD -o - | FileCheck --check-prefix=CHECK-V4-THUMB %s
+// RUN: %clang_cc1 -triple thumbv4t %s -E -dD -o - | FileCheck --check-prefix=CHECK-V4-THUMB %s
+// RUN: %clang_cc1 -triple thumbv5 %s -E -dD -o - | FileCheck --check-prefix=CHECK-V5-THUMB %s
+// RUN: %clang_cc1 -triple thumbv5te %s -E -dD -o - | FileCheck --check-prefix=CHECK-V5-TE-THUMB %s
+// RUN: %clang_cc1 -triple thumbv5tej %s -E -dD -o - | FileCheck --check-prefix=CHECK-V5-TE-THUMB %s
+// RUN: %clang_cc1 -triple thumbv6 %s -E -dD -o - | FileCheck --check-prefix=CHECK-V6-THUMB %s
+// RUN: %clang_cc1 -triple thumbv6k %s -E -dD -o - | FileCheck --check-prefix=CHECK-V6-THUMB %s
+// RUN: %clang_cc1 -triple thumbv6kz %s -E -dD -o - | FileCheck --check-prefix=CHECK-V6-THUMB %s
+// RUN: %clang_cc1 -triple thumbv6m %s -E -dD -o - | FileCheck --check-prefix=CHECK-V6M %s
+// RUN: %clang_cc1 -triple thumbv7a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V7 %s
+// RUN: %clang_cc1 -triple thumbv7r %s -E -dD -o - | FileCheck --check-prefix=CHECK-V7 %s
+// RUN: %clang_cc1 -triple thumbv7m %s -E -dD -o - | FileCheck --check-prefix=CHECK-V7 %s
+// RUN: %clang_cc1 -triple thumbv8a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8r %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.1a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.2a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.3a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.4a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.5a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.6a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.7a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.8a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8.9a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv9a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv9.1a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv9.2a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv9.3a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv9.4a %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8 %s
+// RUN: %clang_cc1 -triple thumbv8m.base %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8-BASE %s
+// RUN: %clang_cc1 -triple thumbv8m.main %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8-MAIN %s
+// RUN: %clang_cc1 -triple thumbv8.1m.main %s -E -dD -o - | FileCheck --check-prefix=CHECK-V8-MAIN %s
+
+#include <arm_acle.h>
+
+void cdp() {
+  __arm_cdp(1, 2, 3, 4, 5, 6);
+  // CHECK-LABEL: void cdp()
+  // CHECK-V4: __builtin_arm_cdp
+  // CHECK-V4-THUMB-NOT: __builtin_arm_cdp
+  // CHECK-V5: __builtin_arm_cdp
+  // CHECK-V5-TE: __builtin_arm_cdp
+  // CHECK-V5-THUMB-NOT: __builtin_arm_cdp
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_cdp
+  // CHECK-V6: __builtin_arm_cdp
+  // CHECK-V6-THUMB-NOT: __builtin_arm_cdp
+  // CHECK-V6M-NOT: __builtin_arm_cdp
+  // CHECK-V7: __builtin_arm_cdp
+  // CHECK-V8-NOT: __builtin_arm_cdp
+  // CHECK-V8-BASE-NOT: __builtin_arm_cdp
+  // CHECK-V8-MAIN: __builtin_arm_cdp
+}
+
+void cdp2() {
+  __arm_cdp2(1, 2, 3, 4, 5, 6);
+  // CHECK-LABEL: void cdp2()
+  // CHECK-V4-NOT: __builtin_arm_cdp2
+  // CHECK-V4-THUMB-NOT: __builtin_arm_cdp2
+  // CHECK-V5: __builtin_arm_cdp2
+  // CHECK-V5-TE: __builtin_arm_cdp2
+  // CHECK-V5-THUMB-NOT: __builtin_arm_cdp2
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_cdp2
+  // CHECK-V6: __builtin_arm_cdp2
+  // CHECK-V6-THUMB-NOT: __builtin_arm_cdp2
+  // CHECK-V6M-NOT: __builtin_arm_cdp2
+  // CHECK-V7: __builtin_arm_cdp2
+  // CHECK-V8-NOT: __builtin_arm_cdp2
+  // CHECK-V8-BASE-NOT: __builtin_arm_cdp2
+  // CHECK-V8-MAIN: __builtin_arm_cdp2
+}
+
+void ldc(int i) {
+  __arm_ldc(1, 2, &i);
+  // CHECK-LABEL: void ldc()
+  // CHECK-V4: __builtin_arm_ldc
+  // CHECK-V4-THUMB-NOT: __builtin_arm_ldc
+  // CHECK-V5: __builtin_arm_ldc
+  // CHECK-V5-TE: __builtin_arm_ldc
+  // CHECK-V5-THUMB-NOT: __builtin_arm_ldc
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_ldc
+  // CHECK-V6: __builtin_arm_ldc
+  // CHECK-V6-THUMB-NOT: __builtin_arm_ldc
+  // CHECK-V6M-NOT: __builtin_arm_ldc
+  // CHECK-V7: __builtin_arm_ldc
+  // CHECK-V8: __builtin_arm_ldc
+  // CHECK-V8-BASE-NOT: __builtin_arm_ldc
+  // CHECK-V8-MAIN: __builtin_arm_ldc
+}
+
+void ldcl(int i) {
+  __arm_ldcl(1, 2, &i);
+  // CHECK-LABEL: void ldcl()
+  // CHECK-V4-NOT: __builtin_arm_ldcl
+  // CHECK-V4-THUMB-NOT: __builtin_arm_ldcl
+  // CHECK-V5: __builtin_arm_ldcl
+  // CHECK-V5-TE: __builtin_arm_ldcl
+  // CHECK-V5-THUMB-NOT: __builtin_arm_ldcl
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_ldcl
+  // CHECK-V6: __builtin_arm_ldcl
+  // CHECK-V6-THUMB-NOT: __builtin_arm_ldcl
+  // CHECK-V6M-NOT: __builtin_arm_ldcl
+  // CHECK-V7: __builtin_arm_ldcl
+  // CHECK-V8-NOT: __builtin_arm_ldcl
+  // CHECK-V8-BASE-NOT: __builtin_arm_ldcl
+  // CHECK-V8-MAIN: __builtin_arm_ldcl
+}
+
+void ldc2(int i) {
+  __arm_ldc2(1, 2, &i);
+  // CHECK-LABEL: void ldc2()
+  // CHECK-V4-NOT: __builtin_arm_ldc2
+  // CHECK-V4-THUMB-NOT: __builtin_arm_ldc2
+  // CHECK-V5: __builtin_arm_ldc2
+  // CHECK-V5-TE: __builtin_arm_ldc2
+  // CHECK-V5-THUMB-NOT: __builtin_arm_ldc2
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_ldc2
+  // CHECK-V6: __builtin_arm_ldc2
+  // CHECK-V6-THUMB-NOT: __builtin_arm_ldc2
+  // CHECK-V6M-NOT: __builtin_arm_ldc2
+  // CHECK-V7: __builtin_arm_ldc2
+  // CHECK-V8-NOT: __builtin_arm_ldc2
+  // CHECK-V8-BASE-NOT: __builtin_arm_ldc2
+  // CHECK-V8-MAIN: __builtin_arm_ldc2
+}
+
+void ldc2l(int i) {
+  __arm_ldc2l(1, 2, &i);
+  // CHECK-LABEL: void ldc2l()
+  // CHECK-V4-NOT: __builtin_arm_ldc2l
+  // CHECK-V4-THUMB-NOT: __builtin_arm_ldc2l
+  // CHECK-V5: __builtin_arm_ldc2l
+  // CHECK-V5-TE: __builtin_arm_ldc2l
+  // CHECK-V5-THUMB-NOT: __builtin_arm_ldc2l
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_ldc2l
+  // CHECK-V6: __builtin_arm_ldc2l
+  // CHECK-V6-THUMB-NOT: __builtin_arm_ldc2l
+  // CHECK-V6M-NOT: __builtin_arm_ldc2l
+  // CHECK-V7: __builtin_arm_ldc2l
+  // CHECK-V8-NOT: __builtin_arm_ldc2l
+  // CHECK-V8-BASE-NOT: __builtin_arm_ldc2l
+  // CHECK-V8-MAIN: __builtin_arm_ldc2l
+}
+
+void stc(int i) {
+  __arm_stc(1, 2, &i);
+  // CHECK-LABEL: void stc()
+  // CHECK-V4: __builtin_arm_stc
+  // CHECK-V4-THUMB-NOT: __builtin_arm_stc
+  // CHECK-V5: __builtin_arm_stc
+  // CHECK-V5-TE: __builtin_arm_stc
+  // CHECK-V5-THUMB-NOT: __builtin_arm_stc
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_stc
+  // CHECK-V6: __builtin_arm_stc
+  // CHECK-V6-THUMB-NOT: __builtin_arm_stc
+  // CHECK-V6M-NOT: __builtin_arm_stc
+  // CHECK-V7: __builtin_arm_stc
+  // CHECK-V8: __builtin_arm_stc
+  // CHECK-V8-BASE-NOT: __builtin_arm_stc
+  // CHECK-V8-MAIN: __builtin_arm_stc
+}
+
+void stcl(int i) {
+  __arm_stcl(1, 2, &i);
+  // CHECK-LABEL: void stcl()
+  // CHECK-V4-NOT: __builtin_arm_stcl
+  // CHECK-V4-THUMB-NOT: __builtin_arm_stcl
+  // CHECK-V5: __builtin_arm_stcl
+  // CHECK-V5-TE: __builtin_arm_stcl
+  // CHECK-V5-THUMB-NOT: __builtin_arm_stcl
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_stcl
+  // CHECK-V6: __builtin_arm_stcl
+  // CHECK-V6-THUMB-NOT: __builtin_arm_stcl
+  // CHECK-V6M-NOT: __builtin_arm_stcl
+  // CHECK-V7: __builtin_arm_stcl
+  // CHECK-V8-NOT: __builtin_arm_stcl
+  // CHECK-V8-BASE-NOT: __builtin_arm_stcl
+  // CHECK-V8-MAIN: __builtin_arm_stcl
+}
+
+void stc2(int i) {
+  __arm_stc2(1, 2, &i);
+  // CHECK-LABEL: void stc2()
+  // CHECK-V4-NOT: __builtin_arm_stc2
+  // CHECK-V4-THUMB-NOT: __builtin_arm_stc2
+  // CHECK-V5: __builtin_arm_stc2
+  // CHECK-V5-TE: __builtin_arm_stc2
+  // CHECK-V5-THUMB-NOT: __builtin_arm_stc2
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_stc2
+  // CHECK-V6: __builtin_arm_stc2
+  // CHECK-V6-THUMB-NOT: __builtin_arm_stc2
+  // CHECK-V6M-NOT: __builtin_arm_stc2
+  // CHECK-V7: __builtin_arm_stc2
+  // CHECK-V8-NOT: __builtin_arm_stc2
+  // CHECK-V8-BASE-NOT: __builtin_arm_stc2
+  // CHECK-V8-MAIN: __builtin_arm_stc2
+}
+
+void stc2l(int i) {
+  __arm_stc2l(1, 2, &i);
+  // CHECK-LABEL: void stc2l()
+  // CHECK-V4-NOT: __builtin_arm_stc2l
+  // CHECK-V4-THUMB-NOT: __builtin_arm_stc2l
+  // CHECK-V5: __builtin_arm_stc2l
+  // CHECK-V5-TE: __builtin_arm_stc2l
+  // CHECK-V5-THUMB-NOT: __builtin_arm_stc2l
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_stc2l
+  // CHECK-V6: __builtin_arm_stc2l
+  // CHECK-V6-THUMB-NOT: __builtin_arm_stc2l
+  // CHECK-V6M-NOT: __builtin_arm_stc2l
+  // CHECK-V7: __builtin_arm_stc2l
+  // CHECK-V8-NOT: __builtin_arm_stc2l
+  // CHECK-V8-BASE-NOT: __builtin_arm_stc2l
+  // CHECK-V8-MAIN: __builtin_arm_stc2l
+}
+
+void mcr() {
+  __arm_mcr(1, 2, 3, 4, 5, 6);
+  // CHECK-LABEL: void mcr()
+  // CHECK-V4: __builtin_arm_mcr
+  // CHECK-V4-THUMB-NOT: __builtin_arm_mcr
+  // CHECK-V5: __builtin_arm_mcr
+  // CHECK-V5-TE: __builtin_arm_mcr
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mcr
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_mcr
+  // CHECK-V6: __builtin_arm_mcr
+  // CHECK-V6-THUMB-NOT: __builtin_arm_mcr
+  // CHECK-V6M-NOT: __builtin_arm_mcr
+  // CHECK-V7: __builtin_arm_mcr
+  // CHECK-V8: __builtin_arm_mcr
+  // CHECK-V8-BASE-NOT: __builtin_arm_mcr
+  // CHECK-V8-MAIN: __builtin_arm_mcr
+}
+
+void mcr2() {
+  __arm_mcr2(1, 2, 3, 4, 5, 6);
+  // CHECK-LABEL: void mcr2()
+  // CHECK-V4-NOT: __builtin_arm_mcr2
+  // CHECK-V4-THUMB-NOT: __builtin_arm_mcr2
+  // CHECK-V5: __builtin_arm_mcr2
+  // CHECK-V5-TE: __builtin_arm_mcr2
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mcr2
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_mcr2
+  // CHECK-V6: __builtin_arm_mcr2
+  // CHECK-V6-THUMB-NOT: __builtin_arm_mcr2
+  // CHECK-V6M-NOT: __builtin_arm_mcr2
+  // CHECK-V7: __builtin_arm_mcr2
+  // CHECK-V8-NOT: __builtin_arm_mcr2
+  // CHECK-V8-BASE-NOT: __builtin_arm_mcr2
+  // CHECK-V8-MAIN: __builtin_arm_mcr2
+}
+
+void mrc() {
+  __arm_mrc(1, 2, 3, 4, 5);
+  // CHECK-LABEL: void mrc()
+  // CHECK-V4: __builtin_arm_mrc
+  // CHECK-V4-THUMB-NOT: __builtin_arm_mrc
+  // CHECK-V5: __builtin_arm_mrc
+  // CHECK-V5-TE: __builtin_arm_mrc
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mrc
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_mrc
+  // CHECK-V6: __builtin_arm_mrc
+  // CHECK-V6-THUMB-NOT: __builtin_arm_mrc
+  // CHECK-V6M-NOT: __builtin_arm_mrc
+  // CHECK-V7: __builtin_arm_mrc
+  // CHECK-V8: __builtin_arm_mrc
+  // CHECK-V8-BASE-NOT: __builtin_arm_mrc
+  // CHECK-V8-MAIN: __builtin_arm_mrc
+}
+
+void mrc2() {
+  __arm_mrc2(1, 2, 3, 4, 5);
+  // CHECK-LABEL: void mrc2()
+  // CHECK-V4-NOT: __builtin_arm_mrc2
+  // CHECK-V4-THUMB-NOT: __builtin_arm_mrc2
+  // CHECK-V5: __builtin_arm_mrc2
+  // CHECK-V5-TE: __builtin_arm_mrc2
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mrc2
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_mrc2
+  // CHECK-V6: __builtin_arm_mrc2
+  // CHECK-V6-THUMB-NOT: __builtin_arm_mrc2
+  // CHECK-V6M-NOT: __builtin_arm_mrc2
+  // CHECK-V7: __builtin_arm_mrc2
+  // CHECK-V8-NOT: __builtin_arm_mrc2
+  // CHECK-V8-BASE-NOT: __builtin_arm_mrc2
+  // CHECK-V8-MAIN: __builtin_arm_mrc2
+}
+
+void mcrr() {
+  __arm_mcrr(1, 2, 3, 4);
+  // CHECK-LABEL: void mcrr()
+  // CHECK-V4-NOT: __builtin_arm_mcrr
+  // CHECK-V4-THUMB-NOT: __builtin_arm_mcrr
+  // CHECK-V5-NOT: __builtin_arm_mcrr
+  // CHECK-V5-TE: __builtin_arm_mcrr
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mcrr
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mcrr
+  // CHECK-V6: __builtin_arm_mcrr
+  // CHECK-V6-THUMB-NOT: __builtin_arm_mcrr
+  // CHECK-V6M-NOT: __builtin_arm_mcrr
+  // CHECK-V7: __builtin_arm_mcrr
+  // CHECK-V8: __builtin_arm_mcrr
+  // CHECK-V8-BASE-NOT: __builtin_arm_mcrr
+  // CHECK-V8-MAIN: __builtin_arm_mcrr
+}
+
+void mcrr2() {
+  __arm_mcrr2(1, 2, 3, 4);
+  // CHECK-LABEL: void mcrr2()
+  // CHECK-V4-NOT: __builtin_arm_mcrr2
+  // CHECK-V4-THUMB-NOT: __builtin_arm_mcrr2
+  // CHECK-V5-NOT: __builtin_arm_mcrr2
+  // CHECK-V5-TE-NOT: __builtin_arm_mcrr2
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mcrr2
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_mcrr2
+  // CHECK-V6: __builtin_arm_mcrr2
+  // CHECK-V6-THUMB-NOT: __builtin_arm_mcrr2
+  // CHECK-V6M-NOT: __builtin_arm_mcrr2
+  // CHECK-V7: __builtin_arm_mcrr2
+  // CHECK-V8-NOT: __builtin_arm_mcrr2
+  // CHECK-V8-BASE-NOT: __builtin_arm_mcrr2
+  // CHECK-V8-MAIN: __builtin_arm_mcrr2
+}
+
+void mrrc() {
+  __arm_mrrc(1, 2, 3);
+  // CHECK-LABEL: void mrrc()
+  // CHECK-V4-NOT: __builtin_arm_mrrc
+  // CHECK-V4-THUMB-NOT: __builtin_arm_mrrc
+  // CHECK-V5-NOT: __builtin_arm_mrrc
+  // CHECK-V5-TE: __builtin_arm_mrrc
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mrrc
+  // CHECK-V5-THUMB-TE-NOT: __builtin_arm_mrrc
+  // CHECK-V6: __builtin_arm_mrrc
+  // CHECK-V6-THUMB-NOT: __builtin_arm_mrrc
+  // CHECK-V6M-NOT: __builtin_arm_mrrc
+  // CHECK-V7: __builtin_arm_mrrc
+  // CHECK-V8: __builtin_arm_mrrc
+  // CHECK-V8-BASE-NOT: __builtin_arm_mrrc
+  // CHECK-V8-MAIN: __builtin_arm_mrrc
+}
+
+void mrrc2() {
+  __arm_mrrc2(1, 2, 3);
+  // CHECK-LABEL: void mrrc2()
+  // CHECK-V4-NOT: __builtin_arm_mrrc2
+  // CHECK-V4-THUMB-NOT: __builtin_arm_mrrc2
+  // CHECK-V5-NOT: __builtin_arm_mrrc2
+  // CHECK-V5-TE-NOT: __builtin_arm_mrrc2
+  // CHECK-V5-THUMB-NOT: __builtin_arm_mrrc2
+  // CHECK-V5-TE-THUMB-NOT: __builtin_arm_mrrc2
+  // CHECK-V6: __builtin_arm_mrrc2
+  // CHECK-V6-THUMB-NOT: __builtin_arm_mrrc2
+  // CHECK-V6M-NOT: __builtin_arm_mrrc2
+  // CHECK-V7: __builtin_arm_mrrc2
+  // CHECK-V8-NOT: __builtin_arm_mrrc2
+  // CHECK-V8-BASE-NOT: __builtin_arm_mrrc2
+  // CHECK-V8-MAIN: __builtin_arm_mrrc2
+}
diff --git a/clang/test/Preprocessor/aarch64-target-features.c b/clang/test/Preprocessor/aarch64-target-features.c
index b3da54162da0..96c7e39a18af 100644
--- a/clang/test/Preprocessor/aarch64-target-features.c
+++ b/clang/test/Preprocessor/aarch64-target-features.c
@@ -45,6 +45,7 @@
 // CHECK-NOT: __ARM_PCS_VFP 1
 // CHECK-NOT: __ARM_SIZEOF_MINIMAL_ENUM 1
 // CHECK-NOT: __ARM_SIZEOF_WCHAR_T 2
+// CHECK-NOT: __ARM_FEATURE_COPROC
 // CHECK-NOT: __ARM_FEATURE_SVE
 // CHECK-NOT: __ARM_FEATURE_DOTPROD
 // CHECK-NOT: __ARM_FEATURE_PAC_DEFAULT