derek.holloway
7502bf64a4
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55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-apple-darwin -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=x86_64-apple-darwin -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-apple-darwin -emit-llvm -o - -fexperimental-new-constant-interpreter | FileCheck %s
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// RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=x86_64-apple-darwin -emit-llvm -o - -fexperimental-new-constant-interpreter | FileCheck %s
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#include <immintrin.h>
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#include "builtin_test_helpers.h"
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unsigned short test__lzcnt16(unsigned short __X)
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{
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// CHECK: @llvm.ctlz.i16(i16 %{{.*}}, i1 false)
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return __lzcnt16(__X);
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}
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TEST_CONSTEXPR(__lzcnt16(0x0000) == 16);
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TEST_CONSTEXPR(__lzcnt16(0x8000) == 0);
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TEST_CONSTEXPR(__lzcnt16(0x0010) == 11);
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unsigned int test_lzcnt32(unsigned int __X)
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{
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// CHECK: @llvm.ctlz.i32(i32 %{{.*}}, i1 false)
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return __lzcnt32(__X);
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}
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TEST_CONSTEXPR(__lzcnt32(0x00000000) == 32);
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TEST_CONSTEXPR(__lzcnt32(0x80000000) == 0);
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TEST_CONSTEXPR(__lzcnt32(0x00000010) == 27);
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unsigned long long test__lzcnt64(unsigned long long __X)
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{
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// CHECK: @llvm.ctlz.i64(i64 %{{.*}}, i1 false)
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return __lzcnt64(__X);
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}
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TEST_CONSTEXPR(__lzcnt64(0x0000000000000000ULL) == 64);
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TEST_CONSTEXPR(__lzcnt64(0x8000000000000000ULL) == 0);
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TEST_CONSTEXPR(__lzcnt64(0x0000000100000000ULL) == 31);
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unsigned int test_lzcnt_u32(unsigned int __X)
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{
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// CHECK: @llvm.ctlz.i32(i32 %{{.*}}, i1 false)
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return _lzcnt_u32(__X);
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}
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TEST_CONSTEXPR(_lzcnt_u32(0x00000000) == 32);
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TEST_CONSTEXPR(_lzcnt_u32(0x80000000) == 0);
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TEST_CONSTEXPR(_lzcnt_u32(0x00000010) == 27);
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unsigned long long test__lzcnt_u64(unsigned long long __X)
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{
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// CHECK: @llvm.ctlz.i64(i64 %{{.*}}, i1 false)
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return _lzcnt_u64(__X);
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}
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TEST_CONSTEXPR(_lzcnt_u64(0x0000000000000000ULL) == 64);
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TEST_CONSTEXPR(_lzcnt_u64(0x8000000000000000ULL) == 0);
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TEST_CONSTEXPR(_lzcnt_u64(0x0000000100000000ULL) == 31);
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