[clang] [AArch64] add some more tests for FMV (PR #91490)
Tomas Matheson via cfe-commits
cfe-commits at lists.llvm.org
Wed May 8 08:45:30 PDT 2024
https://github.com/tmatheson-arm created https://github.com/llvm/llvm-project/pull/91490
None
>From 9097058fe1c6e661efe60899f0da7cfd966c6ee7 Mon Sep 17 00:00:00 2001
From: Tomas Matheson <tomas.matheson at arm.com>
Date: Wed, 8 May 2024 16:42:24 +0100
Subject: [PATCH] [AArch64] add some more tests for FMV
---
clang/test/CodeGen/aarch64-fmv-dependencies.c | 381 ++++++++++++++++++
clang/test/Driver/aarch64-fmv.c | 25 ++
2 files changed, 406 insertions(+)
create mode 100644 clang/test/CodeGen/aarch64-fmv-dependencies.c
create mode 100644 clang/test/Driver/aarch64-fmv.c
diff --git a/clang/test/CodeGen/aarch64-fmv-dependencies.c b/clang/test/CodeGen/aarch64-fmv-dependencies.c
new file mode 100644
index 0000000000000..3f5f970eda96a
--- /dev/null
+++ b/clang/test/CodeGen/aarch64-fmv-dependencies.c
@@ -0,0 +1,381 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-attributes --check-globals all --filter "define|attributes" --include-generated-funcs --version 4
+
+// Test/document all of the dependencies between possible AArch64 FMV extensions.
+// Also test the name mangling.
+
+// RUN: %clang --target=aarch64-linux-gnu --rtlib=compiler-rt -emit-llvm -S -o - %s | FileCheck %s
+
+
+int __attribute__((target_version("aes"))) fmv(void) { return 0; }
+int __attribute__((target_version("bf16"))) fmv(void) { return 0; }
+int __attribute__((target_version("bti"))) fmv(void) { return 0; }
+int __attribute__((target_version("crc"))) fmv(void) { return 0; }
+int __attribute__((target_version("dgh"))) fmv(void) { return 0; }
+int __attribute__((target_version("dit"))) fmv(void) { return 0; }
+int __attribute__((target_version("dotprod"))) fmv(void) { return 0; }
+int __attribute__((target_version("dpb"))) fmv(void) { return 0; }
+int __attribute__((target_version("dpb2"))) fmv(void) { return 0; }
+int __attribute__((target_version("ebf16"))) fmv(void) { return 0; }
+int __attribute__((target_version("f32mm"))) fmv(void) { return 0; }
+int __attribute__((target_version("f64mm"))) fmv(void) { return 0; }
+int __attribute__((target_version("fcma"))) fmv(void) { return 0; }
+int __attribute__((target_version("flagm"))) fmv(void) { return 0; }
+int __attribute__((target_version("flagm2"))) fmv(void) { return 0; }
+int __attribute__((target_version("fp"))) fmv(void) { return 0; }
+int __attribute__((target_version("fp16"))) fmv(void) { return 0; }
+int __attribute__((target_version("fp16fml"))) fmv(void) { return 0; }
+int __attribute__((target_version("frintts"))) fmv(void) { return 0; }
+int __attribute__((target_version("i8mm"))) fmv(void) { return 0; }
+int __attribute__((target_version("jscvt"))) fmv(void) { return 0; }
+int __attribute__((target_version("ls64"))) fmv(void) { return 0; }
+int __attribute__((target_version("ls64_accdata"))) fmv(void) { return 0; }
+int __attribute__((target_version("ls64_v"))) fmv(void) { return 0; }
+int __attribute__((target_version("lse"))) fmv(void) { return 0; }
+int __attribute__((target_version("memtag"))) fmv(void) { return 0; }
+int __attribute__((target_version("memtag2"))) fmv(void) { return 0; }
+int __attribute__((target_version("memtag3"))) fmv(void) { return 0; }
+int __attribute__((target_version("mops"))) fmv(void) { return 0; }
+int __attribute__((target_version("pmull"))) fmv(void) { return 0; }
+int __attribute__((target_version("predres"))) fmv(void) { return 0; }
+int __attribute__((target_version("rcpc"))) fmv(void) { return 0; }
+int __attribute__((target_version("rcpc2"))) fmv(void) { return 0; }
+int __attribute__((target_version("rcpc3"))) fmv(void) { return 0; }
+int __attribute__((target_version("rdm"))) fmv(void) { return 0; }
+int __attribute__((target_version("rng"))) fmv(void) { return 0; }
+int __attribute__((target_version("rpres"))) fmv(void) { return 0; }
+int __attribute__((target_version("sb"))) fmv(void) { return 0; }
+int __attribute__((target_version("sha1"))) fmv(void) { return 0; }
+int __attribute__((target_version("sha2"))) fmv(void) { return 0; }
+int __attribute__((target_version("sha3"))) fmv(void) { return 0; }
+int __attribute__((target_version("simd"))) fmv(void) { return 0; }
+int __attribute__((target_version("sm4"))) fmv(void) { return 0; }
+int __attribute__((target_version("sme"))) fmv(void) { return 0; }
+int __attribute__((target_version("sme-f64f64"))) fmv(void) { return 0; }
+int __attribute__((target_version("sme-i16i64"))) fmv(void) { return 0; }
+int __attribute__((target_version("sme2"))) fmv(void) { return 0; }
+int __attribute__((target_version("ssbs"))) fmv(void) { return 0; }
+int __attribute__((target_version("ssbs2"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve-bf16"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve-ebf16"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve-i8mm"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve2"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve2-aes"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve2-bitperm"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve2-pmull128"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve2-sha3"))) fmv(void) { return 0; }
+int __attribute__((target_version("sve2-sm4"))) fmv(void) { return 0; }
+int __attribute__((target_version("wfxt"))) fmv(void) { return 0; }
+
+int __attribute__((target_version("default"))) fmv(void);
+
+int caller() {
+ return fmv();
+}
+
+//.
+// CHECK: @__aarch64_cpu_features = external dso_local global { i64 }
+// CHECK: @fmv.ifunc = weak_odr dso_local alias i32 (), ptr @fmv
+// CHECK: @fmv = weak_odr dso_local ifunc i32 (), ptr @fmv.resolver
+//.
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Maes(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @caller(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK-LABEL: define weak_odr ptr @fmv.resolver() comdat {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mbf16(
+// CHECK-SAME: ) #[[ATTR1:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mbti(
+// CHECK-SAME: ) #[[ATTR2:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mcrc(
+// CHECK-SAME: ) #[[ATTR3:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mdgh(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mdit(
+// CHECK-SAME: ) #[[ATTR4:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mdotprod(
+// CHECK-SAME: ) #[[ATTR5:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mdpb(
+// CHECK-SAME: ) #[[ATTR6:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mdpb2(
+// CHECK-SAME: ) #[[ATTR7:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mebf16(
+// CHECK-SAME: ) #[[ATTR1:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mf32mm(
+// CHECK-SAME: ) #[[ATTR8:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mf64mm(
+// CHECK-SAME: ) #[[ATTR9:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mfcma(
+// CHECK-SAME: ) #[[ATTR10:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mflagm(
+// CHECK-SAME: ) #[[ATTR11:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mflagm2(
+// CHECK-SAME: ) #[[ATTR12:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mfp(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mfp16(
+// CHECK-SAME: ) #[[ATTR13:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mfp16fml(
+// CHECK-SAME: ) #[[ATTR14:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mfrintts(
+// CHECK-SAME: ) #[[ATTR15:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mi8mm(
+// CHECK-SAME: ) #[[ATTR16:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mjscvt(
+// CHECK-SAME: ) #[[ATTR17:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mls64(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mls64_accdata(
+// CHECK-SAME: ) #[[ATTR18:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mls64_v(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mlse(
+// CHECK-SAME: ) #[[ATTR19:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mmemtag(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mmemtag2(
+// CHECK-SAME: ) #[[ATTR20:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mmemtag3(
+// CHECK-SAME: ) #[[ATTR20:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mmops(
+// CHECK-SAME: ) #[[ATTR21:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mpmull(
+// CHECK-SAME: ) #[[ATTR22:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mpredres(
+// CHECK-SAME: ) #[[ATTR23:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mrcpc(
+// CHECK-SAME: ) #[[ATTR24:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mrcpc2(
+// CHECK-SAME: ) #[[ATTR24:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mrcpc3(
+// CHECK-SAME: ) #[[ATTR25:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mrdm(
+// CHECK-SAME: ) #[[ATTR26:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mrng(
+// CHECK-SAME: ) #[[ATTR27:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mrpres(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msb(
+// CHECK-SAME: ) #[[ATTR28:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msha1(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msha2(
+// CHECK-SAME: ) #[[ATTR29:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msha3(
+// CHECK-SAME: ) #[[ATTR30:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msimd(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msm4(
+// CHECK-SAME: ) #[[ATTR31:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msme(
+// CHECK-SAME: ) #[[ATTR32:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msme-f64f64(
+// CHECK-SAME: ) #[[ATTR33:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msme-i16i64(
+// CHECK-SAME: ) #[[ATTR34:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msme2(
+// CHECK-SAME: ) #[[ATTR35:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mssbs(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mssbs2(
+// CHECK-SAME: ) #[[ATTR36:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve(
+// CHECK-SAME: ) #[[ATTR37:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve-bf16(
+// CHECK-SAME: ) #[[ATTR38:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve-ebf16(
+// CHECK-SAME: ) #[[ATTR38:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve-i8mm(
+// CHECK-SAME: ) #[[ATTR39:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve2(
+// CHECK-SAME: ) #[[ATTR40:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve2-aes(
+// CHECK-SAME: ) #[[ATTR41:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve2-bitperm(
+// CHECK-SAME: ) #[[ATTR42:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve2-pmull128(
+// CHECK-SAME: ) #[[ATTR41:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve2-sha3(
+// CHECK-SAME: ) #[[ATTR43:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Msve2-sm4(
+// CHECK-SAME: ) #[[ATTR44:[0-9]+]] {
+//
+// CHECK: Function Attrs: noinline nounwind optnone uwtable
+// CHECK-LABEL: define dso_local i32 @fmv._Mwfxt(
+// CHECK-SAME: ) #[[ATTR45:[0-9]+]] {
+//.
+// CHECK: attributes #[[ATTR0:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR1:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+bf16,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR2:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+bti,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR3:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+crc,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR4:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+dit,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR5:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+dotprod,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR6:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+ccpp,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR7:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+ccdp,+ccpp,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR8:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+f32mm,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a" }
+// CHECK: attributes #[[ATTR9:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+f64mm,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a" }
+// CHECK: attributes #[[ATTR10:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+complxnum,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR11:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+flagm,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR12:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+altnzcv,+flagm,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR13:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR14:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fp16fml,+fullfp16,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR15:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fptoint,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR16:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+i8mm,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR17:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+jsconv,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR18:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+ls64,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR19:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+lse,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR20:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+mte,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR21:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+mops,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR22:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+aes,+fp-armv8,+neon,+outline-atomics,+v8a" }
+// CHECK: attributes #[[ATTR23:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+predres,+v8a" }
+// CHECK: attributes #[[ATTR24:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+rcpc,+v8a" }
+// CHECK: attributes #[[ATTR25:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+rcpc,+rcpc3,+v8a" }
+// CHECK: attributes #[[ATTR26:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+rdm,+v8a" }
+// CHECK: attributes #[[ATTR27:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+rand,+v8a" }
+// CHECK: attributes #[[ATTR28:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+sb,+v8a" }
+// CHECK: attributes #[[ATTR29:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+sha2,+v8a" }
+// CHECK: attributes #[[ATTR30:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+sha2,+sha3,+v8a" }
+// CHECK: attributes #[[ATTR31:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+sm4,+v8a" }
+// CHECK: attributes #[[ATTR32:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+bf16,+fp-armv8,+neon,+outline-atomics,+sme,+v8a" }
+// CHECK: attributes #[[ATTR33:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+bf16,+fp-armv8,+neon,+outline-atomics,+sme,+sme-f64f64,+v8a" }
+// CHECK: attributes #[[ATTR34:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+bf16,+fp-armv8,+neon,+outline-atomics,+sme,+sme-i16i64,+v8a" }
+// CHECK: attributes #[[ATTR35:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+bf16,+fp-armv8,+neon,+outline-atomics,+sme,+sme2,+v8a" }
+// CHECK: attributes #[[ATTR36:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+ssbs,+v8a" }
+// CHECK: attributes #[[ATTR37:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a" }
+// CHECK: attributes #[[ATTR38:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+bf16,+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+v8a" }
+// CHECK: attributes #[[ATTR39:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fullfp16,+i8mm,+neon,+outline-atomics,+sve,+v8a" }
+// CHECK: attributes #[[ATTR40:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+v8a" }
+// CHECK: attributes #[[ATTR41:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+sve2-aes,+v8a" }
+// CHECK: attributes #[[ATTR42:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+sve2-bitperm,+v8a" }
+// CHECK: attributes #[[ATTR43:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+sve2-sha3,+v8a" }
+// CHECK: attributes #[[ATTR44:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+fullfp16,+neon,+outline-atomics,+sve,+sve2,+sve2-sm4,+v8a" }
+// CHECK: attributes #[[ATTR45:[0-9]+]] = { noinline nounwind optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+v8a,+wfxt" }
+// CHECK: attributes #[[ATTR46:[0-9]+]] = { "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+v8a" }
+//.
+// CHECK: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
+// CHECK: [[META1:![0-9]+]] = !{i32 8, !"PIC Level", i32 2}
+// CHECK: [[META2:![0-9]+]] = !{i32 7, !"PIE Level", i32 2}
+// CHECK: [[META3:![0-9]+]] = !{i32 7, !"uwtable", i32 2}
+// CHECK: [[META4:![0-9]+]] = !{i32 7, !"frame-pointer", i32 1}
+// CHECK: [[META5:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
+//.
diff --git a/clang/test/Driver/aarch64-fmv.c b/clang/test/Driver/aarch64-fmv.c
new file mode 100644
index 0000000000000..a8b04acfe0a02
--- /dev/null
+++ b/clang/test/Driver/aarch64-fmv.c
@@ -0,0 +1,25 @@
+// Test which driver flags enable/disable Function Multiversioning on aarch64.
+
+// FMV is enabled for non-android aarch64 targets:
+// RUN: %clang --target=aarch64 --rtlib=compiler-rt -### -c %s 2>&1 | FileCheck -check-prefix=FMV-ENABLED %s
+// RUN: %clang --target=aarch64-linux-gnu --rtlib=compiler-rt -### -c %s 2>&1 | FileCheck -check-prefix=FMV-ENABLED %s
+
+// android23 defaults to --rtlib=compiler-rt:
+// RUN: %clang --target=aarch64-linux-android23 -### -c %s 2>&1 | FileCheck -check-prefix=FMV-ENABLED %s
+// RUN: %clang --target=aarch64-linux-android23 --rtlib=compiler-rt -### -c %s 2>&1 | FileCheck -check-prefix=FMV-ENABLED %s
+
+// FMV is disabled without compiler-rt:
+// RUN: %clang --target=aarch64 -### -c %s 2>&1 | FileCheck -check-prefix=FMV-DISABLED %s
+// RUN: %clang --target=aarch64-linux-gnu -### -c %s 2>&1 | FileCheck -check-prefix=FMV-DISABLED %s
+
+// Disabled for older android versions:
+// RUN: %clang --rtlib=compiler-rt --target=aarch64-linux-android -### -c %s 2>&1 | FileCheck -check-prefix=FMV-DISABLED %s
+// RUN: %clang --rtlib=compiler-rt --target=aarch64-linux-android22 -### -c %s 2>&1 | FileCheck -check-prefix=FMV-DISABLED %s
+// RUN: %clang --rtlib=compiler-rt --target=aarch64-linux-android22 -mno-fmv -### -c %s 2>&1 | FileCheck -check-prefix=FMV-DISABLED %s
+
+// Disabled explicitly:
+// RUN: %clang --rtlib=compiler-rt --target=aarch64 -mno-fmv -### -c %s 2>&1 | FileCheck -check-prefix=FMV-DISABLED %s
+// RUN: %clang --rtlib=compiler-rt --target=aarch64-linux-android23 -mno-fmv -### -c %s 2>&1 | FileCheck -check-prefix=FMV-DISABLED %s
+
+// FMV-ENABLED-NOT: "-target-feature" "-fmv"
+// FMV-DISABLED: "-target-feature" "-fmv"
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