[clang] 93011fe - [FMV][AArch64][clang] Emit fmv-features metadata in LLVM IR. (#118544)

via cfe-commits cfe-commits at lists.llvm.org
Tue Jan 7 00:51:27 PST 2025


Author: Alexandros Lamprineas
Date: 2025-01-07T08:51:23Z
New Revision: 93011fe2a5268aab9bf59e71b9d21a3818d1e199

URL: https://github.com/llvm/llvm-project/commit/93011fe2a5268aab9bf59e71b9d21a3818d1e199
DIFF: https://github.com/llvm/llvm-project/commit/93011fe2a5268aab9bf59e71b9d21a3818d1e199.diff

LOG: [FMV][AArch64][clang] Emit fmv-features metadata in LLVM IR. (#118544)

We need to be able to propagate information about FMV attribute strings
from C/C++ source to LLVM IR. This is necessary so that we can
distinguish which target-features are coming from the cmdline, which are
coming from the target attribute, and which are coming from feature
dependency expansion. We need this for static resolution of calls in
LLVM. Here's a motivating example:

Suppose you have target_version("i8mm+dotprod") and
target_version("fcma"). The first version clearly has higher priority.
Now suppose you specify -march=armv8-a+i8mm on the command line. Then
the versions would have target-features "+i8mm,+dotprod" and
"+i8mm,+fcma" respectively. If you are using those to deduce version
priority, then you would incorrectly deduce that the second version was
higher priority than the first.

Added: 
    clang/test/CodeGen/AArch64/fmv-features.c

Modified: 
    clang/lib/AST/ASTContext.cpp
    clang/lib/CodeGen/CodeGenModule.cpp
    clang/test/CodeGen/AArch64/fmv-dependencies.c
    clang/test/CodeGen/AArch64/fmv-streaming.c
    clang/test/CodeGen/attr-target-clones-aarch64.c
    clang/test/CodeGen/attr-target-version.c

Removed: 
    


################################################################################
diff  --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index a9ecb4ee9c76b2..b10513f49a8d16 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -14357,7 +14357,7 @@ QualType ASTContext::getCorrespondingSignedFixedPointType(QualType Ty) const {
 // corresponding backend features (which may contain duplicates).
 static std::vector<std::string> getFMVBackendFeaturesFor(
     const llvm::SmallVectorImpl<StringRef> &FMVFeatStrings) {
-  std::vector<std::string> BackendFeats{{"+fmv"}};
+  std::vector<std::string> BackendFeats;
   llvm::AArch64::ExtensionSet FeatureBits;
   for (StringRef F : FMVFeatStrings)
     if (auto FMVExt = llvm::AArch64::parseFMVExtension(F))

diff  --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index c49f7631488285..5f15f0f48c54e4 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -2748,7 +2748,21 @@ bool CodeGenModule::GetCPUAndFeaturesAttributes(GlobalDecl GD,
     Attrs.addAttribute("target-features", llvm::join(Features, ","));
     AddedAttr = true;
   }
-
+  if (getTarget().getTriple().isAArch64()) {
+    llvm::SmallVector<StringRef, 8> Feats;
+    if (TV)
+      TV->getFeatures(Feats);
+    else if (TC)
+      TC->getFeatures(Feats, GD.getMultiVersionIndex());
+    if (!Feats.empty()) {
+      llvm::sort(Feats);
+      std::string FMVFeatures;
+      for (StringRef F : Feats)
+        FMVFeatures.append(",+" + F.str());
+      Attrs.addAttribute("fmv-features", FMVFeatures.substr(1));
+      AddedAttr = true;
+    }
+  }
   return AddedAttr;
 }
 

diff  --git a/clang/test/CodeGen/AArch64/fmv-dependencies.c b/clang/test/CodeGen/AArch64/fmv-dependencies.c
index 3a524b89496e04..097b85e989d86b 100644
--- a/clang/test/CodeGen/AArch64/fmv-dependencies.c
+++ b/clang/test/CodeGen/AArch64/fmv-dependencies.c
@@ -42,7 +42,7 @@ __attribute__((target_version("flagm"))) int fmv(void) { return 0; }
 // CHECK: define dso_local i32 @fmv._Mflagm2() #[[flagm2:[0-9]+]] {
 __attribute__((target_version("flagm2"))) int fmv(void) { return 0; }
 
-// CHECK: define dso_local i32 @fmv._Mfp() #[[default:[0-9]+]] {
+// CHECK: define dso_local i32 @fmv._Mfp() #[[fp:[0-9]+]] {
 __attribute__((target_version("fp"))) int fmv(void) { return 0; }
 
 // CHECK: define dso_local i32 @fmv._Mfp16() #[[fp16:[0-9]+]] {
@@ -99,7 +99,7 @@ __attribute__((target_version("sha2"))) int fmv(void) { return 0; }
 // CHECK: define dso_local i32 @fmv._Msha3() #[[sha3:[0-9]+]] {
 __attribute__((target_version("sha3"))) int fmv(void) { return 0; }
 
-// CHECK: define dso_local i32 @fmv._Msimd() #[[default]] {
+// CHECK: define dso_local i32 @fmv._Msimd() #[[simd:[0-9]+]] {
 __attribute__((target_version("simd"))) int fmv(void) { return 0; }
 
 // CHECK: define dso_local i32 @fmv._Msm4() #[[sm4:[0-9]+]] {
@@ -150,48 +150,49 @@ int caller() {
   return fmv();
 }
 
-// CHECK: attributes #[[aes]] = { {{.*}} "target-features"="+aes,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[bf16]] = { {{.*}} "target-features"="+bf16,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[bti]] = { {{.*}} "target-features"="+bti,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[crc]] = { {{.*}} "target-features"="+crc,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[dit]] = { {{.*}} "target-features"="+dit,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[dotprod]] = { {{.*}} "target-features"="+dotprod,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[dpb]] = { {{.*}} "target-features"="+ccpp,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[dpb2]] = { {{.*}} "target-features"="+ccdp,+ccpp,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[f32mm]] = { {{.*}} "target-features"="+f32mm,+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a"
-// CHECK: attributes #[[f64mm]] = { {{.*}} "target-features"="+f64mm,+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a"
-// CHECK: attributes #[[fcma]] = { {{.*}} "target-features"="+complxnum,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[flagm]] = { {{.*}} "target-features"="+flagm,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[flagm2]] = { {{.*}} "target-features"="+altnzcv,+flagm,+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[default]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[fp16]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[fp16fml]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+fp16fml,+fullfp16,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[frintts]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+fptoint,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[i8mm]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+i8mm,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[jscvt]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+jsconv,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[ls64]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+ls64,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[lse]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+lse,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[memtag]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+mte,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[mops]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+mops,+neon,+outline-atomics,+v8a"
-// CHECK: attributes #[[predres]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+predres,+v8a"
-// CHECK: attributes #[[rcpc]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+rcpc,+v8a"
-// CHECK: attributes #[[rcpc2]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+rcpc,+rcpc-immo,+v8a"
-// CHECK: attributes #[[rcpc3]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+rcpc,+rcpc-immo,+rcpc3,+v8a"
-// CHECK: attributes #[[rdm]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+rdm,+v8a"
-// CHECK: attributes #[[rng]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+rand,+v8a"
-// CHECK: attributes #[[sb]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+sb,+v8a"
-// CHECK: attributes #[[sha2]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+sha2,+v8a"
-// CHECK: attributes #[[sha3]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+sha2,+sha3,+v8a"
-// CHECK: attributes #[[sm4]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+sm4,+v8a"
-// CHECK: attributes #[[sme]] = { {{.*}} "target-features"="+bf16,+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sme,+v8a"
-// CHECK: attributes #[[sme_f64f64]] = { {{.*}} "target-features"="+bf16,+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sme,+sme-f64f64,+v8a"
-// CHECK: attributes #[[sme_i16i64]] = { {{.*}} "target-features"="+bf16,+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sme,+sme-i16i64,+v8a"
-// CHECK: attributes #[[sme2]] = { {{.*}} "target-features"="+bf16,+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sme,+sme2,+v8a"
-// CHECK: attributes #[[ssbs]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+ssbs,+v8a"
-// CHECK: attributes #[[sve]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a"
-// CHECK: attributes #[[sve2]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+v8a"
-// CHECK: attributes #[[sve2_aes]] = { {{.*}} "target-features"="+aes,+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve-aes,+sve2,+sve2-aes,+v8a"
-// CHECK: attributes #[[sve2_bitperm]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+sve2-bitperm,+v8a"
-// CHECK: attributes #[[sve2_sha3]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sha2,+sha3,+sve,+sve2,+sve2-sha3,+v8a"
-// CHECK: attributes #[[sve2_sm4]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sm4,+sve,+sve2,+sve2-sm4,+v8a"
-// CHECK: attributes #[[wfxt]] = { {{.*}} "target-features"="+fmv,+fp-armv8,+neon,+outline-atomics,+v8a,+wfxt"
+// CHECK: attributes #[[aes]] = { {{.*}} "target-features"="+aes,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[bf16]] = { {{.*}} "target-features"="+bf16,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[bti]] = { {{.*}} "target-features"="+bti,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[crc]] = { {{.*}} "target-features"="+crc,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[dit]] = { {{.*}} "target-features"="+dit,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[dotprod]] = { {{.*}} "target-features"="+dotprod,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[dpb]] = { {{.*}} "target-features"="+ccpp,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[dpb2]] = { {{.*}} "target-features"="+ccdp,+ccpp,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[f32mm]] = { {{.*}} "target-features"="+f32mm,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a"
+// CHECK: attributes #[[f64mm]] = { {{.*}} "target-features"="+f64mm,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a"
+// CHECK: attributes #[[fcma]] = { {{.*}} "target-features"="+complxnum,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[flagm]] = { {{.*}} "target-features"="+flagm,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[flagm2]] = { {{.*}} "target-features"="+altnzcv,+flagm,+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[fp]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[fp16]] = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[fp16fml]] = { {{.*}} "target-features"="+fp-armv8,+fp16fml,+fullfp16,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[frintts]] = { {{.*}} "target-features"="+fp-armv8,+fptoint,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[i8mm]] = { {{.*}} "target-features"="+fp-armv8,+i8mm,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[jscvt]] = { {{.*}} "target-features"="+fp-armv8,+jsconv,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[ls64]] = { {{.*}} "target-features"="+fp-armv8,+ls64,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[lse]] = { {{.*}} "target-features"="+fp-armv8,+lse,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[memtag]] = { {{.*}} "target-features"="+fp-armv8,+mte,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[mops]] = { {{.*}} "target-features"="+fp-armv8,+mops,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[predres]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+predres,+v8a"
+// CHECK: attributes #[[rcpc]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+rcpc,+v8a"
+// CHECK: attributes #[[rcpc2]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+rcpc,+rcpc-immo,+v8a"
+// CHECK: attributes #[[rcpc3]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+rcpc,+rcpc-immo,+rcpc3,+v8a"
+// CHECK: attributes #[[rdm]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+rdm,+v8a"
+// CHECK: attributes #[[rng]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+rand,+v8a"
+// CHECK: attributes #[[sb]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+sb,+v8a"
+// CHECK: attributes #[[sha2]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+sha2,+v8a"
+// CHECK: attributes #[[sha3]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+sha2,+sha3,+v8a"
+// CHECK: attributes #[[simd]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+v8a"
+// CHECK: attributes #[[sm4]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+sm4,+v8a"
+// CHECK: attributes #[[sme]] = { {{.*}} "target-features"="+bf16,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sme,+v8a"
+// CHECK: attributes #[[sme_f64f64]] = { {{.*}} "target-features"="+bf16,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sme,+sme-f64f64,+v8a"
+// CHECK: attributes #[[sme_i16i64]] = { {{.*}} "target-features"="+bf16,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sme,+sme-i16i64,+v8a"
+// CHECK: attributes #[[sme2]] = { {{.*}} "target-features"="+bf16,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sme,+sme2,+v8a"
+// CHECK: attributes #[[ssbs]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+ssbs,+v8a"
+// CHECK: attributes #[[sve]] = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a"
+// CHECK: attributes #[[sve2]] = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+v8a"
+// CHECK: attributes #[[sve2_aes]] = { {{.*}} "target-features"="+aes,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve-aes,+sve2,+sve2-aes,+v8a"
+// CHECK: attributes #[[sve2_bitperm]] = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+sve2-bitperm,+v8a"
+// CHECK: attributes #[[sve2_sha3]] = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sha2,+sha3,+sve,+sve2,+sve2-sha3,+v8a"
+// CHECK: attributes #[[sve2_sm4]] = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sm4,+sve,+sve2,+sve2-sm4,+v8a"
+// CHECK: attributes #[[wfxt]] = { {{.*}} "target-features"="+fp-armv8,+neon,+outline-atomics,+v8a,+wfxt"

diff  --git a/clang/test/CodeGen/AArch64/fmv-features.c b/clang/test/CodeGen/AArch64/fmv-features.c
new file mode 100644
index 00000000000000..f78bf4b5d59c2b
--- /dev/null
+++ b/clang/test/CodeGen/AArch64/fmv-features.c
@@ -0,0 +1,200 @@
+// Test all of the AArch64 fmv-features metadata without any dependency expansion.
+// It is used to propagate the attribute string information from C/C++ source to LLVM IR.
+
+// RUN: %clang --target=aarch64-linux-gnu --rtlib=compiler-rt -emit-llvm -S -o - %s | FileCheck %s
+
+// CHECK: define dso_local i32 @fmv._Maes() #[[aes:[0-9]+]] {
+// CHECK: define dso_local i32 @fmv._Mbf16() #[[bf16:[0-9]+]] {
+__attribute__((target_clones("aes", "bf16"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mbti() #[[bti:[0-9]+]] {
+__attribute__((target_version("bti"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mcrc() #[[crc:[0-9]+]] {
+__attribute__((target_version("crc"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mdit() #[[dit:[0-9]+]] {
+__attribute__((target_version("dit"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mdotprod() #[[dotprod:[0-9]+]] {
+__attribute__((target_version("dotprod"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mdpb() #[[dpb:[0-9]+]] {
+__attribute__((target_version("dpb"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mdpb2() #[[dpb2:[0-9]+]] {
+__attribute__((target_version("dpb2"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mf32mm() #[[f32mm:[0-9]+]] {
+__attribute__((target_version("f32mm"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mf64mm() #[[f64mm:[0-9]+]] {
+__attribute__((target_version("f64mm"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mfcma() #[[fcma:[0-9]+]] {
+__attribute__((target_version("fcma"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mflagm() #[[flagm:[0-9]+]] {
+__attribute__((target_version("flagm"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mflagm2() #[[flagm2:[0-9]+]] {
+__attribute__((target_version("flagm2"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mfp() #[[fp:[0-9]+]] {
+__attribute__((target_version("fp"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mfp16() #[[fp16:[0-9]+]] {
+__attribute__((target_version("fp16"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mfp16fml() #[[fp16fml:[0-9]+]] {
+__attribute__((target_version("fp16fml"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mfrintts() #[[frintts:[0-9]+]] {
+__attribute__((target_version("frintts"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mi8mm() #[[i8mm:[0-9]+]] {
+__attribute__((target_version("i8mm"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mjscvt() #[[jscvt:[0-9]+]] {
+__attribute__((target_version("jscvt"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mls64() #[[ls64:[0-9]+]] {
+__attribute__((target_version("ls64"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mlse() #[[lse:[0-9]+]] {
+__attribute__((target_version("lse"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mmemtag() #[[memtag:[0-9]+]] {
+__attribute__((target_version("memtag"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mmops() #[[mops:[0-9]+]] {
+__attribute__((target_version("mops"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mpredres() #[[predres:[0-9]+]] {
+__attribute__((target_version("predres"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mrcpc() #[[rcpc:[0-9]+]] {
+__attribute__((target_version("rcpc"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mrcpc2() #[[rcpc2:[0-9]+]] {
+__attribute__((target_version("rcpc2"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mrcpc3() #[[rcpc3:[0-9]+]] {
+__attribute__((target_version("rcpc3"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mrdm() #[[rdm:[0-9]+]] {
+__attribute__((target_version("rdm"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mrng() #[[rng:[0-9]+]] {
+__attribute__((target_version("rng"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msb() #[[sb:[0-9]+]] {
+__attribute__((target_version("sb"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msha2() #[[sha2:[0-9]+]] {
+__attribute__((target_version("sha2"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msha3() #[[sha3:[0-9]+]] {
+__attribute__((target_version("sha3"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msimd() #[[simd:[0-9]+]] {
+__attribute__((target_version("simd"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msm4() #[[sm4:[0-9]+]] {
+__attribute__((target_version("sm4"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msme() #[[sme:[0-9]+]] {
+__attribute__((target_version("sme"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msme-f64f64() #[[sme_f64f64:[0-9]+]] {
+__attribute__((target_version("sme-f64f64"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msme-i16i64() #[[sme_i16i64:[0-9]+]] {
+__attribute__((target_version("sme-i16i64"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msme2() #[[sme2:[0-9]+]] {
+__attribute__((target_version("sme2"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mssbs() #[[ssbs:[0-9]+]] {
+__attribute__((target_version("ssbs"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msve() #[[sve:[0-9]+]] {
+__attribute__((target_version("sve"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msve2() #[[sve2:[0-9]+]] {
+__attribute__((target_version("sve2"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msve2-aes() #[[sve2_aes:[0-9]+]] {
+__attribute__((target_version("sve2-aes"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msve2-bitperm() #[[sve2_bitperm:[0-9]+]] {
+__attribute__((target_version("sve2-bitperm"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msve2-sha3() #[[sve2_sha3:[0-9]+]] {
+__attribute__((target_version("sve2-sha3"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Msve2-sm4() #[[sve2_sm4:[0-9]+]] {
+__attribute__((target_version("sve2-sm4"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._Mwfxt() #[[wfxt:[0-9]+]] {
+__attribute__((target_version("wfxt"))) int fmv(void) { return 0; }
+
+// CHECK: define dso_local i32 @fmv._MaesMbf16MbtiMcrc() #[[multiple_features:[0-9]+]] {
+__attribute__((target_version("aes+bf16+bti+crc"))) int fmv(void) { return 0; }
+
+// CHECK-NOT: define dso_local i32 @fmv._M{{.*}}
+__attribute__((target_version("non_existent_extension"))) int fmv(void);
+
+__attribute__((target_version("default"))) int fmv(void);
+
+int caller() {
+  return fmv();
+}
+
+// CHECK: attributes #[[aes]] = { {{.*}} "fmv-features"="+aes"
+// CHECK: attributes #[[bf16]] = { {{.*}} "fmv-features"="+bf16"
+// CHECK: attributes #[[bti]] = { {{.*}} "fmv-features"="+bti"
+// CHECK: attributes #[[crc]] = { {{.*}} "fmv-features"="+crc"
+// CHECK: attributes #[[dit]] = { {{.*}} "fmv-features"="+dit"
+// CHECK: attributes #[[dotprod]] = { {{.*}} "fmv-features"="+dotprod"
+// CHECK: attributes #[[dpb]] = { {{.*}} "fmv-features"="+dpb"
+// CHECK: attributes #[[dpb2]] = { {{.*}} "fmv-features"="+dpb2"
+// CHECK: attributes #[[f32mm]] = { {{.*}} "fmv-features"="+f32mm"
+// CHECK: attributes #[[f64mm]] = { {{.*}} "fmv-features"="+f64mm"
+// CHECK: attributes #[[fcma]] = { {{.*}} "fmv-features"="+fcma"
+// CHECK: attributes #[[flagm]] = { {{.*}} "fmv-features"="+flagm"
+// CHECK: attributes #[[flagm2]] = { {{.*}} "fmv-features"="+flagm2"
+// CHECK: attributes #[[fp]] = { {{.*}} "fmv-features"="+fp"
+// CHECK: attributes #[[fp16]] = { {{.*}} "fmv-features"="+fp16"
+// CHECK: attributes #[[fp16fml]] = { {{.*}} "fmv-features"="+fp16fml"
+// CHECK: attributes #[[frintts]] = { {{.*}} "fmv-features"="+frintts"
+// CHECK: attributes #[[i8mm]] = { {{.*}} "fmv-features"="+i8mm"
+// CHECK: attributes #[[jscvt]] = { {{.*}} "fmv-features"="+jscvt"
+// CHECK: attributes #[[ls64]] = { {{.*}} "fmv-features"="+ls64"
+// CHECK: attributes #[[lse]] = { {{.*}} "fmv-features"="+lse"
+// CHECK: attributes #[[memtag]] = { {{.*}} "fmv-features"="+memtag"
+// CHECK: attributes #[[mops]] = { {{.*}} "fmv-features"="+mops"
+// CHECK: attributes #[[predres]] = { {{.*}} "fmv-features"="+predres"
+// CHECK: attributes #[[rcpc]] = { {{.*}} "fmv-features"="+rcpc"
+// CHECK: attributes #[[rcpc2]] = { {{.*}} "fmv-features"="+rcpc2"
+// CHECK: attributes #[[rcpc3]] = { {{.*}} "fmv-features"="+rcpc3"
+// CHECK: attributes #[[rdm]] = { {{.*}} "fmv-features"="+rdm"
+// CHECK: attributes #[[rng]] = { {{.*}} "fmv-features"="+rng"
+// CHECK: attributes #[[sb]] = { {{.*}} "fmv-features"="+sb"
+// CHECK: attributes #[[sha2]] = { {{.*}} "fmv-features"="+sha2"
+// CHECK: attributes #[[sha3]] = { {{.*}} "fmv-features"="+sha3"
+// CHECK: attributes #[[simd]] = { {{.*}} "fmv-features"="+simd"
+// CHECK: attributes #[[sm4]] = { {{.*}} "fmv-features"="+sm4"
+// CHECK: attributes #[[sme]] = { {{.*}} "fmv-features"="+sme"
+// CHECK: attributes #[[sme_f64f64]] = { {{.*}} "fmv-features"="+sme-f64f64"
+// CHECK: attributes #[[sme_i16i64]] = { {{.*}} "fmv-features"="+sme-i16i64"
+// CHECK: attributes #[[sme2]] = { {{.*}} "fmv-features"="+sme2"
+// CHECK: attributes #[[ssbs]] = { {{.*}} "fmv-features"="+ssbs"
+// CHECK: attributes #[[sve]] = { {{.*}} "fmv-features"="+sve"
+// CHECK: attributes #[[sve2]] = { {{.*}} "fmv-features"="+sve2"
+// CHECK: attributes #[[sve2_aes]] = { {{.*}} "fmv-features"="+sve2-aes"
+// CHECK: attributes #[[sve2_bitperm]] = { {{.*}} "fmv-features"="+sve2-bitperm"
+// CHECK: attributes #[[sve2_sha3]] = { {{.*}} "fmv-features"="+sve2-sha3"
+// CHECK: attributes #[[sve2_sm4]] = { {{.*}} "fmv-features"="+sve2-sm4"
+// CHECK: attributes #[[wfxt]] = { {{.*}} "fmv-features"="+wfxt"
+// CHECK: attributes #[[multiple_features]] = { {{.*}} "fmv-features"="+aes,+bf16,+bti,+crc"

diff  --git a/clang/test/CodeGen/AArch64/fmv-streaming.c b/clang/test/CodeGen/AArch64/fmv-streaming.c
index dc0c35a9a30775..68ba3e5cfaa78e 100644
--- a/clang/test/CodeGen/AArch64/fmv-streaming.c
+++ b/clang/test/CodeGen/AArch64/fmv-streaming.c
@@ -53,10 +53,10 @@ __attribute__((target_version("default"))) void sc_callee(void) __arm_streaming_
 
 
 // CHECK-LABEL: define {{[^@]+}}@n_caller
-// CHECK-SAME: () #[[caller:[0-9]+]] {
+// CHECK-SAME: () #[[default]] {
 // CHECK:    call void @n_callee()
-// CHECK:    call void @s_callee() #[[callsite_streaming:[0-9]+]]
-// CHECK:    call void @sc_callee() #[[callsite_streaming_compatible:[0-9]+]]
+// CHECK:    call void @s_callee() #[[streaming:[0-9]+]]
+// CHECK:    call void @sc_callee() #[[streaming_compatible:[0-9]+]]
 //
 void n_caller(void) {
   n_callee();
@@ -66,10 +66,10 @@ void n_caller(void) {
 
 
 // CHECK-LABEL: define {{[^@]+}}@s_caller
-// CHECK-SAME: () #[[caller_streaming:[0-9]+]] {
+// CHECK-SAME: () #[[default_streaming]] {
 // CHECK:    call void @n_callee()
-// CHECK:    call void @s_callee() #[[callsite_streaming]]
-// CHECK:    call void @sc_callee() #[[callsite_streaming_compatible]]
+// CHECK:    call void @s_callee() #[[streaming]]
+// CHECK:    call void @sc_callee() #[[streaming_compatible]]
 //
 void s_caller(void) __arm_streaming {
   n_callee();
@@ -79,10 +79,10 @@ void s_caller(void) __arm_streaming {
 
 
 // CHECK-LABEL: define {{[^@]+}}@sc_caller
-// CHECK-SAME: () #[[caller_streaming_compatible:[0-9]+]] {
+// CHECK-SAME: () #[[default_streaming_compatible]] {
 // CHECK:    call void @n_callee()
-// CHECK:    call void @s_callee() #[[callsite_streaming]]
-// CHECK:    call void @sc_callee() #[[callsite_streaming_compatible]]
+// CHECK:    call void @s_callee() #[[streaming]]
+// CHECK:    call void @sc_callee() #[[streaming_compatible]]
 //
 void sc_caller(void) __arm_streaming_compatible {
   n_callee();
@@ -103,8 +103,5 @@ void sc_caller(void) __arm_streaming_compatible {
 // CHECK: attributes #[[simd_streaming_compatible]] = {{.*}} "aarch64_pstate_sm_compatible"
 // CHECK: attributes #[[locally_streaming_sme2_streaming_compatible]] = {{.*}} "aarch64_pstate_sm_body" "aarch64_pstate_sm_compatible"
 // CHECK: attributes #[[default_streaming_compatible]] = {{.*}} "aarch64_pstate_sm_compatible"
-// CHECK: attributes #[[caller]] = {{.*}}
-// CHECK: attributes #[[caller_streaming]] = {{.*}} "aarch64_pstate_sm_enabled"
-// CHECK: attributes #[[caller_streaming_compatible]] = {{.*}} "aarch64_pstate_sm_compatible"
-// CHECK: attributes #[[callsite_streaming]] = {{.*}} "aarch64_pstate_sm_enabled"
-// CHECK: attributes #[[callsite_streaming_compatible]] = {{.*}} "aarch64_pstate_sm_compatible"
+// CHECK: attributes #[[streaming]] = {{.*}} "aarch64_pstate_sm_enabled"
+// CHECK: attributes #[[streaming_compatible]] = {{.*}} "aarch64_pstate_sm_compatible"

diff  --git a/clang/test/CodeGen/attr-target-clones-aarch64.c b/clang/test/CodeGen/attr-target-clones-aarch64.c
index 6b7acbbd4fc597..50c040f2093b01 100644
--- a/clang/test/CodeGen/attr-target-clones-aarch64.c
+++ b/clang/test/CodeGen/attr-target-clones-aarch64.c
@@ -252,56 +252,56 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc.default
-// CHECK-SAME: () #[[ATTR9:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR8]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_def.default
-// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-SAME: () #[[ATTR8]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 1
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_dup1.default
-// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-SAME: () #[[ATTR8]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 2
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_dup2.default
-// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-SAME: () #[[ATTR8]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 3
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_dup3.default
-// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-SAME: () #[[ATTR8]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 4
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline2._Mfp16
-// CHECK-SAME: () #[[ATTR10:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR9:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 2
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline2._MfcmaMsve2-bitperm
-// CHECK-SAME: () #[[ATTR11:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR10:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 2
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline2.default
-// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-SAME: () #[[ATTR8]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 2
 //
@@ -330,28 +330,28 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline1._MrngMsimd
-// CHECK-SAME: () #[[ATTR12:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR11:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 1
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline1._MpredresMrcpc
-// CHECK-SAME: () #[[ATTR13:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR12:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 1
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline1._Msve2-aesMwfxt
-// CHECK-SAME: () #[[ATTR14:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR13:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 1
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline1.default
-// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-SAME: () #[[ATTR8]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 1
 //
@@ -395,14 +395,14 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline3._MsbMsve
-// CHECK-SAME: () #[[ATTR15:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR14:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 3
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@ftc_inline3.default
-// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-SAME: () #[[ATTR8]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 3
 //
@@ -548,7 +548,7 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_def._MmemtagMsha2
-// CHECK-MTE-BTI-SAME: () #[[ATTR2]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR3:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 1
 //
@@ -598,14 +598,14 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_dup2._Mfp
-// CHECK-MTE-BTI-SAME: () #[[ATTR3:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR4:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 3
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_dup2._McrcMdotprod
-// CHECK-MTE-BTI-SAME: () #[[ATTR4:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR5:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 3
 //
@@ -634,14 +634,14 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_dup3._Mmemtag
-// CHECK-MTE-BTI-SAME: () #[[ATTR5:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR6:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 4
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_dup3._Mbti
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR7:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 4
 //
@@ -670,7 +670,7 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@foo
-// CHECK-MTE-BTI-SAME: () #[[ATTR6:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    [[CALL:%.*]] = call i32 @ftc()
 // CHECK-MTE-BTI-NEXT:    [[CALL1:%.*]] = call i32 @ftc_def()
@@ -686,14 +686,14 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_direct
-// CHECK-MTE-BTI-SAME: () #[[ATTR6]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 4
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@main
-// CHECK-MTE-BTI-SAME: () #[[ATTR6]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
 // CHECK-MTE-BTI-NEXT:    store i32 0, ptr [[RETVAL]], align 4
@@ -709,56 +709,56 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc.default
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 0
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_def.default
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 1
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_dup1.default
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 2
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_dup2.default
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 3
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_dup3.default
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 4
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline2._Mfp16
-// CHECK-MTE-BTI-SAME: () #[[ATTR7:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR9:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 2
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline2._MfcmaMsve2-bitperm
-// CHECK-MTE-BTI-SAME: () #[[ATTR8:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR10:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 2
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline2.default
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 2
 //
@@ -787,28 +787,28 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline1._MrngMsimd
-// CHECK-MTE-BTI-SAME: () #[[ATTR9:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR11:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 1
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline1._MpredresMrcpc
-// CHECK-MTE-BTI-SAME: () #[[ATTR10:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR12:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 1
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline1._Msve2-aesMwfxt
-// CHECK-MTE-BTI-SAME: () #[[ATTR11:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR13:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 1
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline1.default
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 1
 //
@@ -845,21 +845,21 @@ inline int __attribute__((target_clones("fp16", "sve2-bitperm+fcma", "default"))
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline3._Mbti
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR7]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 3
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline3._MsbMsve
-// CHECK-MTE-BTI-SAME: () #[[ATTR12:[0-9]+]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR14:[0-9]+]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 3
 //
 //
 // CHECK-MTE-BTI: Function Attrs: noinline nounwind optnone
 // CHECK-MTE-BTI-LABEL: define {{[^@]+}}@ftc_inline3.default
-// CHECK-MTE-BTI-SAME: () #[[ATTR5]] {
+// CHECK-MTE-BTI-SAME: () #[[ATTR8]] {
 // CHECK-MTE-BTI-NEXT:  entry:
 // CHECK-MTE-BTI-NEXT:    ret i32 3
 //

diff  --git a/clang/test/CodeGen/attr-target-version.c b/clang/test/CodeGen/attr-target-version.c
index 951401c498deb8..2862151ea29432 100644
--- a/clang/test/CodeGen/attr-target-version.c
+++ b/clang/test/CodeGen/attr-target-version.c
@@ -141,6 +141,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 // CHECK: @fmv_two = weak_odr ifunc i32 (), ptr @fmv_two.resolver
 // CHECK: @fmv_e = weak_odr ifunc i32 (), ptr @fmv_e.resolver
 // CHECK: @fmv_d = internal ifunc i32 (), ptr @fmv_d.resolver
+// CHECK: @fmv_default = weak_odr ifunc i32 (), ptr @fmv_default.resolver
 // CHECK: @fmv_c = weak_odr ifunc void (), ptr @fmv_c.resolver
 // CHECK: @fmv_inline = weak_odr ifunc i32 (), ptr @fmv_inline.resolver
 // CHECK: @reca = weak_odr ifunc void (), ptr @reca.resolver
@@ -271,7 +272,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@foo
-// CHECK-SAME: () #[[ATTR15:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR9]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    [[CALL:%.*]] = call i32 @fmv()
 // CHECK-NEXT:    [[CALL1:%.*]] = call i32 @fmv_one()
@@ -297,7 +298,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@fmv_c._Mssbs
-// CHECK-SAME: () #[[ATTR17:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR15:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret void
 //
@@ -311,7 +312,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@goo
-// CHECK-SAME: () #[[ATTR15]] {
+// CHECK-SAME: () #[[ATTR9]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    [[CALL:%.*]] = call i32 @fmv_inline()
 // CHECK-NEXT:    [[CALL1:%.*]] = call i32 @fmv_e()
@@ -323,7 +324,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@recur
-// CHECK-SAME: () #[[ATTR15]] {
+// CHECK-SAME: () #[[ATTR9]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    call void @reca()
 // CHECK-NEXT:    ret void
@@ -331,7 +332,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@hoo
-// CHECK-SAME: () #[[ATTR15]] {
+// CHECK-SAME: () #[[ATTR9]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    [[FP1:%.*]] = alloca ptr, align 8
 // CHECK-NEXT:    [[FP2:%.*]] = alloca ptr, align 8
@@ -348,28 +349,28 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@unused_with_forward_default_decl._Mmops
-// CHECK-SAME: () #[[ATTR19:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR17:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_extern_forward_default_decl._Mdotprod
-// CHECK-SAME: () #[[ATTR20:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR18:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@unused_with_default_decl._Maes
-// CHECK-SAME: () #[[ATTR5]] {
+// CHECK-SAME: () #[[ATTR19:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@unused_with_default_def._Msve
-// CHECK-SAME: () #[[ATTR21:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR20:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
@@ -383,7 +384,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_default_def._Mfp16
-// CHECK-SAME: () #[[ATTR22:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR21:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
@@ -397,49 +398,49 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_forward_default_def.default
-// CHECK-SAME: () #[[ATTR15]] {
+// CHECK-SAME: () #[[ATTR9]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_forward_default_def._Mlse
-// CHECK-SAME: () #[[ATTR23:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR22:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 1
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@unused_without_default._Mrdm
-// CHECK-SAME: () #[[ATTR24:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR23:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@default_def_with_version_decls.default
-// CHECK-SAME: () #[[ATTR15]] {
+// CHECK-SAME: () #[[ATTR9]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 0
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@used_def_without_default_decl._Mjscvt
-// CHECK-SAME: () #[[ATTR26:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR25:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 1
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@used_def_without_default_decl._Mrdm
-// CHECK-SAME: () #[[ATTR24]] {
+// CHECK-SAME: () #[[ATTR26:[0-9]+]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret i32 2
 //
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@caller
-// CHECK-SAME: () #[[ATTR15]] {
+// CHECK-SAME: () #[[ATTR9]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    [[CALL:%.*]] = call i32 @used_def_without_default_decl()
 // CHECK-NEXT:    [[CALL1:%.*]] = call i32 @used_decl_without_default_decl()
@@ -630,6 +631,11 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 // CHECK-NEXT:    ret ptr @fmv_d.default
 //
 //
+// CHECK-LABEL: define {{[^@]+}}@fmv_default.resolver() comdat {
+// CHECK-NEXT:  resolver_entry:
+// CHECK-NEXT:    ret ptr @fmv_default.default
+//
+//
 // CHECK-LABEL: define {{[^@]+}}@fmv_c.resolver() comdat {
 // CHECK-NEXT:  resolver_entry:
 // CHECK-NEXT:    call void @__init_cpu_features_resolver()
@@ -984,7 +990,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK: Function Attrs: noinline nounwind optnone
 // CHECK-LABEL: define {{[^@]+}}@func
-// CHECK-SAME: () #[[ATTR15]] {
+// CHECK-SAME: () #[[ATTR9]] {
 // CHECK-NEXT:  entry:
 // CHECK-NEXT:    ret void
 //
@@ -1008,21 +1014,21 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK-NOFMV: Function Attrs: noinline nounwind optnone
 // CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv
-// CHECK-NOFMV-SAME: () #[[ATTR1:[0-9]+]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
 // CHECK-NOFMV-NEXT:  entry:
 // CHECK-NOFMV-NEXT:    ret i32 0
 //
 //
 // CHECK-NOFMV: Function Attrs: noinline nounwind optnone
 // CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv_one
-// CHECK-NOFMV-SAME: () #[[ATTR1]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
 // CHECK-NOFMV-NEXT:  entry:
 // CHECK-NOFMV-NEXT:    ret i32 0
 //
 //
 // CHECK-NOFMV: Function Attrs: noinline nounwind optnone
 // CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv_two
-// CHECK-NOFMV-SAME: () #[[ATTR1]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
 // CHECK-NOFMV-NEXT:  entry:
 // CHECK-NOFMV-NEXT:    ret i32 0
 //
@@ -1048,21 +1054,21 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK-NOFMV: Function Attrs: noinline nounwind optnone
 // CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv_d
-// CHECK-NOFMV-SAME: () #[[ATTR1]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
 // CHECK-NOFMV-NEXT:  entry:
 // CHECK-NOFMV-NEXT:    ret i32 1
 //
 //
 // CHECK-NOFMV: Function Attrs: noinline nounwind optnone
 // CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv_c
-// CHECK-NOFMV-SAME: () #[[ATTR1]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
 // CHECK-NOFMV-NEXT:  entry:
 // CHECK-NOFMV-NEXT:    ret void
 //
 //
 // CHECK-NOFMV: Function Attrs: noinline nounwind optnone
 // CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv_default
-// CHECK-NOFMV-SAME: () #[[ATTR1]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
 // CHECK-NOFMV-NEXT:  entry:
 // CHECK-NOFMV-NEXT:    ret i32 111
 //
@@ -1115,7 +1121,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK-NOFMV: Function Attrs: noinline nounwind optnone
 // CHECK-NOFMV-LABEL: define {{[^@]+}}@main
-// CHECK-NOFMV-SAME: () #[[ATTR1]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
 // CHECK-NOFMV-NEXT:  entry:
 // CHECK-NOFMV-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
 // CHECK-NOFMV-NEXT:    store i32 0, ptr [[RETVAL]], align 4
@@ -1126,7 +1132,7 @@ int caller(void) { return used_def_without_default_decl() + used_decl_without_de
 //
 // CHECK-NOFMV: Function Attrs: noinline nounwind optnone
 // CHECK-NOFMV-LABEL: define {{[^@]+}}@unused_with_default_def
-// CHECK-NOFMV-SAME: () #[[ATTR1]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
 // CHECK-NOFMV-NEXT:  entry:
 // CHECK-NOFMV-NEXT:    ret i32 1
 //


        


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