typedef svint32_t fixed_int32_t __attribute__((arm_sve_vector_bits(N)));
typedef svfloat64_t fixed_float64_t __attribute__((arm_sve_vector_bits(N)));
typedef svbool_t fixed_bool_t __attribute__((arm_sve_vector_bits(N)));
+typedef int32_t gnu_int32_t __attribute__((vector_size(N / 8)));
// CHECK-LABEL: @to_svint32_t(
// CHECK-NEXT: entry:
fixed_bool_t from_svbool_t(svbool_t type) {
return type;
}
+
+// CHECK-LABEL: @to_svint32_t__from_gnu_int32_t(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TYPE_ADDR:%.*]] = alloca <16 x i32>, align 16
+// CHECK-NEXT: [[TYPE:%.*]] = load <16 x i32>, <16 x i32>* [[TMP0:%.*]], align 16, [[TBAA2]]
+// CHECK-NEXT: store <16 x i32> [[TYPE]], <16 x i32>* [[TYPE_ADDR]], align 16, [[TBAA2]]
+// CHECK-NEXT: [[TMP1:%.*]] = bitcast <16 x i32>* [[TYPE_ADDR]] to <vscale x 4 x i32>*
+// CHECK-NEXT: [[TMP2:%.*]] = load <vscale x 4 x i32>, <vscale x 4 x i32>* [[TMP1]], align 16, [[TBAA2]]
+// CHECK-NEXT: ret <vscale x 4 x i32> [[TMP2]]
+//
+svint32_t to_svint32_t__from_gnu_int32_t(gnu_int32_t type) {
+ return type;
+}
+
+// CHECK-LABEL: @from_svint32_t__to_gnu_int32_t(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TYPE_ADDR:%.*]] = alloca <vscale x 4 x i32>, align 16
+// CHECK-NEXT: store <vscale x 4 x i32> [[TYPE:%.*]], <vscale x 4 x i32>* [[TYPE_ADDR]], align 16, [[TBAA5]]
+// CHECK-NEXT: [[TMP0:%.*]] = bitcast <vscale x 4 x i32>* [[TYPE_ADDR]] to <16 x i32>*
+// CHECK-NEXT: [[TMP1:%.*]] = load <16 x i32>, <16 x i32>* [[TMP0]], align 16, [[TBAA2]]
+// CHECK-NEXT: store <16 x i32> [[TMP1]], <16 x i32>* [[AGG_RESULT:%.*]], align 16, [[TBAA2]]
+// CHECK-NEXT: ret void
+//
+gnu_int32_t from_svint32_t__to_gnu_int32_t(svint32_t type) {
+ return type;
+}
+
+// CHECK-LABEL: @to_fixed_int32_t__from_gnu_int32_t(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[RETVAL_COERCE:%.*]] = alloca <vscale x 4 x i32>, align 16
+// CHECK-NEXT: [[TYPE:%.*]] = load <16 x i32>, <16 x i32>* [[TMP0:%.*]], align 16, [[TBAA2]]
+// CHECK-NEXT: [[RETVAL_0__SROA_CAST:%.*]] = bitcast <vscale x 4 x i32>* [[RETVAL_COERCE]] to <16 x i32>*
+// CHECK-NEXT: store <16 x i32> [[TYPE]], <16 x i32>* [[RETVAL_0__SROA_CAST]], align 16
+// CHECK-NEXT: [[TMP1:%.*]] = load <vscale x 4 x i32>, <vscale x 4 x i32>* [[RETVAL_COERCE]], align 16
+// CHECK-NEXT: ret <vscale x 4 x i32> [[TMP1]]
+//
+fixed_int32_t to_fixed_int32_t__from_gnu_int32_t(gnu_int32_t type) {
+ return type;
+}
+
+// CHECK-LABEL: @from_fixed_int32_t__to_gnu_int32_t(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TYPE:%.*]] = alloca <16 x i32>, align 16
+// CHECK-NEXT: [[TMP0:%.*]] = bitcast <16 x i32>* [[TYPE]] to <vscale x 4 x i32>*
+// CHECK-NEXT: store <vscale x 4 x i32> [[TYPE_COERCE:%.*]], <vscale x 4 x i32>* [[TMP0]], align 16
+// CHECK-NEXT: [[TYPE1:%.*]] = load <16 x i32>, <16 x i32>* [[TYPE]], align 16, [[TBAA2]]
+// CHECK-NEXT: store <16 x i32> [[TYPE1]], <16 x i32>* [[AGG_RESULT:%.*]], align 16, [[TBAA2]]
+// CHECK-NEXT: ret void
+//
+gnu_int32_t from_fixed_int32_t__to_gnu_int32_t(fixed_int32_t type) {
+ return type;
+}
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fsyntax-only -verify -msve-vector-bits=128 -fallow-half-arguments-and-returns %s
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fsyntax-only -verify -msve-vector-bits=256 -fallow-half-arguments-and-returns %s
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fsyntax-only -verify -msve-vector-bits=512 -fallow-half-arguments-and-returns %s
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fsyntax-only -verify -msve-vector-bits=1024 -fallow-half-arguments-and-returns %s
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fsyntax-only -verify -msve-vector-bits=2048 -fallow-half-arguments-and-returns %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -ffreestanding -fsyntax-only -verify -msve-vector-bits=128 -fallow-half-arguments-and-returns %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -ffreestanding -fsyntax-only -verify -msve-vector-bits=256 -fallow-half-arguments-and-returns %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -ffreestanding -fsyntax-only -verify -msve-vector-bits=512 -fallow-half-arguments-and-returns %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -ffreestanding -fsyntax-only -verify -msve-vector-bits=1024 -fallow-half-arguments-and-returns %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -ffreestanding -fsyntax-only -verify -msve-vector-bits=2048 -fallow-half-arguments-and-returns %s
+
+#include <stdint.h>
#define N __ARM_FEATURE_SVE_BITS
+typedef __fp16 float16_t;
+typedef float float32_t;
+typedef double float64_t;
typedef __SVInt8_t svint8_t;
typedef __SVInt16_t svint16_t;
typedef __SVInt32_t svint32_t;
typedef __SVFloat64_t svfloat64_t;
#if defined(__ARM_FEATURE_SVE_BF16)
+typedef __bf16 bfloat16_t;
typedef __SVBFloat16_t svbfloat16_t;
#endif
typedef svbool_t fixed_bool_t __attribute__((arm_sve_vector_bits(N)));
+// GNU vector types
+typedef int8_t gnu_int8_t __attribute__((vector_size(N / 8)));
+typedef int16_t gnu_int16_t __attribute__((vector_size(N / 8)));
+typedef int32_t gnu_int32_t __attribute__((vector_size(N / 8)));
+typedef int64_t gnu_int64_t __attribute__((vector_size(N / 8)));
+
+typedef uint8_t gnu_uint8_t __attribute__((vector_size(N / 8)));
+typedef uint16_t gnu_uint16_t __attribute__((vector_size(N / 8)));
+typedef uint32_t gnu_uint32_t __attribute__((vector_size(N / 8)));
+typedef uint64_t gnu_uint64_t __attribute__((vector_size(N / 8)));
+
+typedef float16_t gnu_float16_t __attribute__((vector_size(N / 8)));
+typedef float32_t gnu_float32_t __attribute__((vector_size(N / 8)));
+typedef float64_t gnu_float64_t __attribute__((vector_size(N / 8)));
+
+typedef bfloat16_t gnu_bfloat16_t __attribute__((vector_size(N / 8)));
+
// Attribute must have a single argument
typedef svint8_t no_argument __attribute__((arm_sve_vector_bits)); // expected-error {{'arm_sve_vector_bits' attribute takes one argument}}
typedef svint8_t two_arguments __attribute__((arm_sve_vector_bits(2, 4))); // expected-error {{'arm_sve_vector_bits' attribute takes one argument}}
// --------------------------------------------------------------------------//
// Implicit casts
-#define TEST_CAST(TYPE) \
- sv##TYPE##_t to_sv##TYPE##_t(fixed_##TYPE##_t x) { return x; } \
- fixed_##TYPE##_t from_sv##TYPE##_t(sv##TYPE##_t x) { return x; }
-
-TEST_CAST(int8)
-TEST_CAST(int16)
-TEST_CAST(int32)
-TEST_CAST(int64)
-TEST_CAST(uint8)
-TEST_CAST(uint16)
-TEST_CAST(uint32)
-TEST_CAST(uint64)
-TEST_CAST(float16)
-TEST_CAST(float32)
-TEST_CAST(float64)
-TEST_CAST(bfloat16)
-TEST_CAST(bool)
+#define TEST_CAST_COMMON(TYPE) \
+ sv##TYPE##_t to_sv##TYPE##_t_from_fixed(fixed_##TYPE##_t x) { return x; } \
+ fixed_##TYPE##_t from_sv##TYPE##_t_to_fixed(sv##TYPE##_t x) { return x; }
+
+#define TEST_CAST_GNU(PREFIX, TYPE) \
+ gnu_##TYPE##_t to_gnu_##TYPE##_t_from_##PREFIX##TYPE##_t(PREFIX##TYPE##_t x) { return x; } \
+ PREFIX##TYPE##_t from_gnu_##TYPE##_t_to_##PREFIX##TYPE##_t(gnu_##TYPE##_t x) { return x; }
+
+#define TEST_CAST_VECTOR(TYPE) \
+ TEST_CAST_COMMON(TYPE) \
+ TEST_CAST_GNU(sv, TYPE) \
+ TEST_CAST_GNU(fixed_, TYPE)
+
+TEST_CAST_VECTOR(int8)
+TEST_CAST_VECTOR(int16)
+TEST_CAST_VECTOR(int32)
+TEST_CAST_VECTOR(int64)
+TEST_CAST_VECTOR(uint8)
+TEST_CAST_VECTOR(uint16)
+TEST_CAST_VECTOR(uint32)
+TEST_CAST_VECTOR(uint64)
+TEST_CAST_VECTOR(float16)
+TEST_CAST_VECTOR(float32)
+TEST_CAST_VECTOR(float64)
+TEST_CAST_VECTOR(bfloat16)
+TEST_CAST_COMMON(bool)
// Test the implicit conversion only applies to valid types
fixed_int8_t to_fixed_int8_t__from_svuint8_t(svuint8_t x) { return x; } // expected-error-re {{returning 'svuint8_t' (aka '__SVUint8_t') from a function with incompatible result type 'fixed_int8_t' (vector of {{[0-9]+}} 'signed char' values)}}
fixed_bool_t to_fixed_bool_t__from_svint32_t(svint32_t x) { return x; } // expected-error-re {{returning 'svint32_t' (aka '__SVInt32_t') from a function with incompatible result type 'fixed_bool_t' (vector of {{[0-9]+}} 'unsigned char' values)}}
+svint64_t to_svint64_t__from_gnu_int32_t(gnu_int32_t x) { return x; } // expected-error-re {{returning 'gnu_int32_t' (vector of {{[0-9]+}} 'int32_t' values) from a function with incompatible result type 'svint64_t' (aka '__SVInt64_t')}}
+gnu_int32_t from_svint64_t__to_gnu_int32_t(svint64_t x) { return x; } // expected-error-re {{returning 'svint64_t' (aka '__SVInt64_t') from a function with incompatible result type 'gnu_int32_t' (vector of {{[0-9]+}} 'int32_t' values)}}
+
+// Test implicit conversion between SVE and GNU vector is invalid when
+// __ARM_FEATURE_SVE_BITS != N
+#if defined(__ARM_FEATURE_SVE_BITS) && __ARM_FEATURE_SVE_BITS == 512
+typedef int32_t int4 __attribute__((vector_size(16)));
+svint32_t badcast(int4 x) { return x; } // expected-error {{returning 'int4' (vector of 4 'int32_t' values) from a function with incompatible result type 'svint32_t' (aka '__SVInt32_t')}}
+#endif
+
// Test conversion between predicate and uint8 is invalid, both have the same
// memory representation.
fixed_bool_t to_fixed_bool_t__from_svuint8_t(svuint8_t x) { return x; } // expected-error-re {{returning 'svuint8_t' (aka '__SVUint8_t') from a function with incompatible result type 'fixed_bool_t' (vector of {{[0-9]+}} 'unsigned char' values)}}
-// Test the implicit conversion only applies to fixed-length types
-typedef signed int vSInt32 __attribute__((__vector_size__(16)));
-svint32_t to_svint32_t_from_gnut(vSInt32 x) { return x; } // expected-error-re {{returning 'vSInt32' (vector of {{[0-9]+}} 'int' values) from a function with incompatible result type 'svint32_t' (aka '__SVInt32_t')}}
-
-vSInt32 to_gnut_from_svint32_t(svint32_t x) { return x; } // expected-error-re {{returning 'svint32_t' (aka '__SVInt32_t') from a function with incompatible result type 'vSInt32' (vector of {{[0-9]+}} 'int' values)}}
-
// --------------------------------------------------------------------------//
// Test the scalable and fixed-length types can be used interchangeably
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fsyntax-only -verify -std=c++11 -msve-vector-bits=512 -fallow-half-arguments-and-returns %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -ffreestanding -fsyntax-only -verify -std=c++11 -msve-vector-bits=512 -fallow-half-arguments-and-returns %s
// expected-no-diagnostics
+#include <stdint.h>
+
#define N __ARM_FEATURE_SVE_BITS
typedef __SVInt8_t svint8_t;
typedef svint8_t fixed_int8_t __attribute__((arm_sve_vector_bits(N)));
+typedef int8_t gnu_int8_t __attribute__((vector_size(N / 8)));
template<typename T> struct S { T var; };
S<fixed_int8_t> s;
+// Test implicit casts between VLA and VLS vectors
svint8_t to_svint8_t(fixed_int8_t x) { return x; }
fixed_int8_t from_svint8_t(svint8_t x) { return x; }
+
+// Test implicit casts between GNU and VLA vectors
+svint8_t to_svint8_t__from_gnu_int8_t(gnu_int8_t x) { return x; }
+gnu_int8_t from_svint8_t__to_gnu_int8_t(svint8_t x) { return x; }
+
+// Test implicit casts between GNU and VLS vectors
+fixed_int8_t to_fixed_int8_t__from_gnu_int8_t(gnu_int8_t x) { return x; }
+gnu_int8_t from_fixed_int8_t__to_gnu_int8_t(fixed_int8_t x) { return x; }