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[X86] Add -fexperimental-new-constant-interpreter test coverage to the u32/f32 u64/f64 cast constexpr test files (#156327)

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Update tests to use builtin_test_helpers.h and the TEST_CONSTEXPR helper macro

Partial fix for #155814
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Simon Pilgrim 2025-09-01 15:53:18 +01:00 committed by GitHub
parent 6aeea122c5
commit dc5cf01dc0
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1 changed files with 12 additions and 11 deletions
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23
clang/test/CodeGen/X86/x86-builtins.c
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@ -1,39 +1,40 @@
// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s
// RUN: %clang_cc1 -x c -ffreestanding %s -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s
// RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s
// RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s
// RUN: %clang_cc1 -x c++ -ffreestanding %s -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s
// RUN: %clang_cc1 -x c++ -ffreestanding %s -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s
// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
// RUN: %clang_cc1 -x c -ffreestanding %s -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
// RUN: %clang_cc1 -x c++ -ffreestanding %s -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
// RUN: %clang_cc1 -x c++ -ffreestanding %s -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
#include <x86intrin.h>
#include "builtin_test_helpers.h"
unsigned int test_castf32_u32 (float __A){
// CHECK-LABEL: test_castf32_u32
// CHECK: %{{.*}} = load i32, ptr %{{.*}}, align 4
return _castf32_u32(__A);
}
TEST_CONSTEXPR(_castf32_u32(-0.0f) == 0x80000000);
unsigned long long test_castf64_u64 (double __A){
// CHECK-LABEL: test_castf64_u64
// CHECK: %{{.*}} = load i64, ptr %{{.*}}, align 8
return _castf64_u64(__A);
}
TEST_CONSTEXPR(_castf64_u64(-0.0) == 0x8000000000000000);
float test_castu32_f32 (unsigned int __A){
// CHECK-LABEL: test_castu32_f32
// CHECK: %{{.*}} = load float, ptr %{{.*}}, align 4
return _castu32_f32(__A);
}
TEST_CONSTEXPR(_castu32_f32(0x3F800000) == +1.0f);
double test_castu64_f64 (unsigned long long __A){
// CHECK-LABEL: test_castu64_f64
// CHECK: %{{.*}} = load double, ptr %{{.*}}, align 8
return _castu64_f64(__A);
}
// Test constexpr handling.
#if defined(__cplusplus) && (__cplusplus >= 201103L)
char cast_f32_u32_0[_castf32_u32(-0.0f) == 0x80000000 ? 1 : -1];
char cast_u32_f32_0[_castu32_f32(0x3F800000) == +1.0f ? 1 : -1];
char castf64_u64_0[_castf64_u64(-0.0) == 0x8000000000000000 ? 1 : -1];
char castu64_f64_0[_castu64_f64(0xBFF0000000000000ULL) == -1.0 ? 1 : -1];
#endif
TEST_CONSTEXPR(_castu64_f64(0xBFF0000000000000ULL) == -1.0);