74f4eaf4dc
- Add head 'prfchwintrin.h' to define '_m_prefetchw' which is mapped to LLVM/clang prefetch builtin - Add option '-mprfchw' to enable PRFCHW feature and pre-define '__PRFCHW__' macro llvm-svn: 178041
13 lines
349 B
C
13 lines
349 B
C
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +prfchw -emit-llvm -o - %s | FileCheck %s
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// Don't include mm_malloc.h, it's system specific.
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#define __MM_MALLOC_H
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#include <x86intrin.h>
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void prefetch_w(void *p) {
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return _m_prefetchw(p);
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// CHECK: @prefetch_w
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// CHECK: call void @llvm.prefetch({{.*}}, i32 1, i32 3, i32 1)
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}
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