forked from OSchip/llvm-project
116 lines
5.2 KiB
C
116 lines
5.2 KiB
C
// RUN: %clang_cc1 -triple thumbv8.1m.main-none-none-eabi -target-feature +mve.fp -flax-vector-conversions=all -Werror -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple thumbv8.1m.main-none-none-eabi -target-feature +mve.fp -flax-vector-conversions=all -verify -fsyntax-only -DERROR_CHECK %s
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typedef signed short int16_t;
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typedef signed int int32_t;
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typedef signed long long int64_t;
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typedef unsigned short uint16_t;
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typedef unsigned int uint32_t;
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typedef unsigned long long uint64_t;
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typedef __attribute__((neon_vector_type(8), __clang_arm_mve_strict_polymorphism)) int16_t int16x8_t;
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typedef __attribute__((neon_vector_type(4), __clang_arm_mve_strict_polymorphism)) int32_t int32x4_t;
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typedef __attribute__((neon_vector_type(2), __clang_arm_mve_strict_polymorphism)) int64_t int64x2_t;
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typedef __attribute__((neon_vector_type(8), __clang_arm_mve_strict_polymorphism)) uint16_t uint16x8_t;
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typedef __attribute__((neon_vector_type(4), __clang_arm_mve_strict_polymorphism)) uint32_t uint32x4_t;
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typedef __attribute__((neon_vector_type(2), __clang_arm_mve_strict_polymorphism)) uint64_t uint64x2_t;
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__attribute__((overloadable))
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int overload(int16x8_t x, int16_t y); // expected-note {{candidate function}}
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__attribute__((overloadable))
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int overload(int32x4_t x, int32_t y); // expected-note {{candidate function}}
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__attribute__((overloadable))
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int overload(uint16x8_t x, uint16_t y); // expected-note {{candidate function}}
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__attribute__((overloadable))
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int overload(uint32x4_t x, uint32_t y); // expected-note {{candidate function}}
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int16_t s16;
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int32_t s32;
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uint16_t u16;
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uint32_t u32;
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int16x8_t vs16;
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int32x4_t vs32;
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uint16x8_t vu16;
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uint32x4_t vu32;
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// ----------------------------------------------------------------------
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// Simple cases where the types are correctly matched
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// CHECK-LABEL: @test_easy_s16(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_int16
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int test_easy_s16(void) { return overload(vs16, s16); }
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// CHECK-LABEL: @test_easy_u16(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_uint16
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int test_easy_u16(void) { return overload(vu16, u16); }
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// CHECK-LABEL: @test_easy_s32(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_int32
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int test_easy_s32(void) { return overload(vs32, s32); }
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// CHECK-LABEL: @test_easy_u32(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_uint32
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int test_easy_u32(void) { return overload(vu32, u32); }
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// ----------------------------------------------------------------------
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// Do arithmetic on the scalar, and it may get promoted. We still expect the
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// same overloads to be selected if that happens.
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// CHECK-LABEL: @test_promote_s16(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_int16
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int test_promote_s16(void) { return overload(vs16, s16 + 1); }
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// CHECK-LABEL: @test_promote_u16(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_uint16
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int test_promote_u16(void) { return overload(vu16, u16 + 1); }
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// CHECK-LABEL: @test_promote_s32(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_int32
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int test_promote_s32(void) { return overload(vs32, s32 + 1); }
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// CHECK-LABEL: @test_promote_u32(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_uint32
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int test_promote_u32(void) { return overload(vu32, u32 + 1); }
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// ----------------------------------------------------------------------
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// Write a simple integer literal without qualification, and expect
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// the vector type to make it unambiguous which integer type you meant
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// the literal to be.
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// CHECK-LABEL: @test_literal_s16(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_int16
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int test_literal_s16(void) { return overload(vs16, 1); }
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// CHECK-LABEL: @test_literal_u16(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_uint16
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int test_literal_u16(void) { return overload(vu16, 1); }
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// CHECK-LABEL: @test_literal_s32(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_int32
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int test_literal_s32(void) { return overload(vs32, 1); }
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// CHECK-LABEL: @test_literal_u32(
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// CHECK: call i32 @_Z8overload{{[a-zA-Z0-9_]+}}_uint32
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int test_literal_u32(void) { return overload(vu32, 1); }
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// ----------------------------------------------------------------------
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// All of those overload resolutions are supposed to be unambiguous even when
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// lax vector conversion is enabled. Check here that a lax conversion in a
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// different context still works.
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int16x8_t lax_conversion(void) { return vu32; }
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// ----------------------------------------------------------------------
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// Use a vector type that there really _isn't_ any overload for, and
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// make sure that we get a fatal compile error.
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#ifdef ERROR_CHECK
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int expect_error(uint64x2_t v) {
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return overload(v, 2); // expected-error {{no matching function for call to 'overload'}}
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}
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typedef __attribute__((__clang_arm_mve_strict_polymorphism)) int i; // expected-error {{'__clang_arm_mve_strict_polymorphism' attribute can only be applied to an MVE/NEON vector type}}
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typedef __attribute__((__clang_arm_mve_strict_polymorphism)) int f(void); // expected-error {{'__clang_arm_mve_strict_polymorphism' attribute can only be applied to an MVE/NEON vector type}}
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typedef __attribute__((__clang_arm_mve_strict_polymorphism)) struct { uint16x8_t v; } s; // expected-error {{'__clang_arm_mve_strict_polymorphism' attribute can only be applied to an MVE/NEON vector type}}
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#endif
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