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d65bbf81f8
Summary: This is a follow up on D61634 and the last step to implement http://lists.llvm.org/pipermail/llvm-dev/2019-April/131973.html Reviewers: efriedma, courbet, tejohnson Subscribers: hiraditya, cfe-commits, llvm-commits, jdoerfert, t.p.northover Tags: #clang, #llvm Differential Revision: https://reviews.llvm.org/D73543
27 lines
1.2 KiB
C
27 lines
1.2 KiB
C
// REQUIRES: x86-registered-target
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// RUN: %clang_cc1 -triple x86_64-unknown-linux -emit-llvm %s -o - | FileCheck %s
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// CHECK-LABEL: define void @test_memcpy_inline_0(i8* %dst, i8* %src)
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void test_memcpy_inline_0(void *dst, const void *src) {
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// CHECK: call void @llvm.memcpy.inline.p0i8.p0i8.i64(i8* align 1 %0, i8* align 1 %1, i64 0, i1 false)
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__builtin_memcpy_inline(dst, src, 0);
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}
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// CHECK-LABEL: define void @test_memcpy_inline_1(i8* %dst, i8* %src)
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void test_memcpy_inline_1(void *dst, const void *src) {
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// CHECK: call void @llvm.memcpy.inline.p0i8.p0i8.i64(i8* align 1 %0, i8* align 1 %1, i64 1, i1 false)
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__builtin_memcpy_inline(dst, src, 1);
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}
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// CHECK-LABEL: define void @test_memcpy_inline_4(i8* %dst, i8* %src)
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void test_memcpy_inline_4(void *dst, const void *src) {
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// CHECK: call void @llvm.memcpy.inline.p0i8.p0i8.i64(i8* align 1 %0, i8* align 1 %1, i64 4, i1 false)
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__builtin_memcpy_inline(dst, src, 4);
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}
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// CHECK-LABEL: define void @test_memcpy_inline_aligned_buffers(i64* %dst, i64* %src)
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void test_memcpy_inline_aligned_buffers(unsigned long long *dst, const unsigned long long *src) {
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// CHECK: call void @llvm.memcpy.inline.p0i8.p0i8.i64(i8* align 8 %2, i8* align 8 %3, i64 4, i1 false)
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__builtin_memcpy_inline(dst, src, 4);
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}
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