test/CodeGenCXX/attr-target-version.cpp

// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-globals --include-generated-funcs
// RUN: %clang_cc1 -std=c++11 -triple aarch64-linux-gnu -emit-llvm %s -o - | FileCheck %s

int __attribute__((target_version("sme-f64f64+bf16"))) foo(int) { return 1; }
int __attribute__((target_version("default"))) foo(int) { return 2; }
int __attribute__((target_version("sm4+ebf16"))) foo(void) { return 3; }
int __attribute__((target_version("default"))) foo(void) { return 4; }

struct MyClass {
  int __attribute__((target_version("dotprod"))) goo(int);
  int __attribute__((target_version("crc"))) goo(int);
  int __attribute__((target_version("default"))) goo(int);
};

int __attribute__((target_version("default"))) MyClass::goo(int) { return 1; }
int __attribute__((target_version("crc"))) MyClass::goo(int) { return 2; }
int __attribute__((target_version("dotprod"))) MyClass::goo(int) { return 3; }

int bar() {
  MyClass m;
  return m.goo(1) + foo(1) + foo();
}


// CHECK: @__aarch64_cpu_features = external dso_local global { i64 }
// CHECK: @_ZN7MyClass3gooEi.ifunc = weak_odr ifunc i32 (ptr, i32), ptr @_ZN7MyClass3gooEi.resolver
// CHECK: @_Z3fooi.ifunc = weak_odr ifunc i32 (i32), ptr @_Z3fooi.resolver
// CHECK: @_Z3foov.ifunc = weak_odr ifunc i32 (), ptr @_Z3foov.resolver

// CHECK-LABEL: @_Z3fooi._Mbf16Msme-f64f64(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[DOTADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT:    store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
// CHECK-NEXT:    ret i32 1
// CHECK-LABEL: @_Z3fooi(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[DOTADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT:    store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
// CHECK-NEXT:    ret i32 2
// CHECK-LABEL: @_Z3foov._Msm4Mebf16(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    ret i32 3
// CHECK-LABEL: @_Z3foov(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    ret i32 4
// CHECK-LABEL: @_ZN7MyClass3gooEi(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[THIS_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[DOTADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT:    store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
// CHECK-NEXT:    store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
// CHECK-NEXT:    [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
// CHECK-NEXT:    ret i32 1
// CHECK-LABEL: @_ZN7MyClass3gooEi._Mcrc(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[THIS_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[DOTADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT:    store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
// CHECK-NEXT:    store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
// CHECK-NEXT:    [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
// CHECK-NEXT:    ret i32 2
// CHECK-LABEL: @_ZN7MyClass3gooEi._Mdotprod(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[THIS_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[DOTADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT:    store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
// CHECK-NEXT:    store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
// CHECK-NEXT:    [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
// CHECK-NEXT:    ret i32 3
// CHECK-LABEL: @_Z3barv(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[M:%.*]] = alloca [[STRUCT_MYCLASS:%.*]], align 1
// CHECK-NEXT:    [[CALL:%.*]] = call noundef i32 @_ZN7MyClass3gooEi.ifunc(ptr noundef nonnull align 1 dereferenceable(1) [[M]], i32 noundef 1)
// CHECK-NEXT:    [[CALL1:%.*]] = call noundef i32 @_Z3fooi.ifunc(i32 noundef 1)
// CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[CALL]], [[CALL1]]
// CHECK-NEXT:    [[CALL2:%.*]] = call noundef i32 @_Z3foov.ifunc()
// CHECK-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[CALL2]]
// CHECK-NEXT:    ret i32 [[ADD3]]
// CHECK-LABEL: @_ZN7MyClass3gooEi.resolver(
// CHECK-NEXT:  resolver_entry:
// CHECK-NEXT:    call void @init_cpu_features_resolver()
// CHECK-NEXT:    [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT:    [[TMP1:%.*]] = and i64 [[TMP0]], 1024
// CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 1024
// CHECK-NEXT:    [[TMP3:%.*]] = and i1 true, [[TMP2]]
// CHECK-NEXT:    br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
// CHECK:       resolver_return:
// CHECK-NEXT:    ret ptr @_ZN7MyClass3gooEi._Mcrc
// CHECK:       resolver_else:
// CHECK-NEXT:    [[TMP4:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT:    [[TMP5:%.*]] = and i64 [[TMP4]], 16
// CHECK-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[TMP5]], 16
// CHECK-NEXT:    [[TMP7:%.*]] = and i1 true, [[TMP6]]
// CHECK-NEXT:    br i1 [[TMP7]], label [[RESOLVER_RETURN1:%.*]], label [[RESOLVER_ELSE2:%.*]]
// CHECK:       resolver_return1:
// CHECK-NEXT:    ret ptr @_ZN7MyClass3gooEi._Mdotprod
// CHECK:       resolver_else2:
// CHECK-NEXT:    ret ptr @_ZN7MyClass3gooEi
// CHECK-LABEL: @_Z3fooi.resolver(
// CHECK-NEXT:  resolver_entry:
// CHECK-NEXT:    call void @init_cpu_features_resolver()
// CHECK-NEXT:    [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT:    [[TMP1:%.*]] = and i64 [[TMP0]], 36028797153181696
// CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 36028797153181696
// CHECK-NEXT:    [[TMP3:%.*]] = and i1 true, [[TMP2]]
// CHECK-NEXT:    br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
// CHECK:       resolver_return:
// CHECK-NEXT:    ret ptr @_Z3fooi._Mbf16Msme-f64f64
// CHECK:       resolver_else:
// CHECK-NEXT:    ret ptr @_Z3fooi
// CHECK-LABEL: @_Z3foov.resolver(
// CHECK-NEXT:  resolver_entry:
// CHECK-NEXT:    call void @init_cpu_features_resolver()
// CHECK-NEXT:    [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT:    [[TMP1:%.*]] = and i64 [[TMP0]], 268435488
// CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 268435488
// CHECK-NEXT:    [[TMP3:%.*]] = and i1 true, [[TMP2]]
// CHECK-NEXT:    br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
// CHECK:       resolver_return:
// CHECK-NEXT:    ret ptr @_Z3foov._Msm4Mebf16
// CHECK:       resolver_else:
// CHECK-NEXT:    ret ptr @_Z3foov

// CHECK: attributes #0 = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+sme,+sme-f64f64" }
// CHECK: attributes #1 = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
// CHECK: attributes #2 = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+fp-armv8,+neon,+sm4" }
// CHECK: attributes #3 = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+crc" }
// CHECK: attributes #4 = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+dotprod,+fp-armv8,+neon" }