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Add memcpy(), memmove() and memset() to the standard library.

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Issue #183.
This commit is contained in:
Matt Pharr
2012-03-05 16:09:00 -08:00
parent c152ae3c32
commit 3b95452481
9 changed files with 338 additions and 3 deletions
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49
builtins/util.m4
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@@ -1768,6 +1768,55 @@ define <WIDTH x i32> @__sext_varying_bool(<WIDTH x MASK>) nounwind readnone alwa
ret <WIDTH x i32> %0')
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; memcpy/memmove/memset
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src,
i32 %len, i32 %align, i1 %isvolatile)
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* %dest, i8* %src,
i64 %len, i32 %align, i1 %isvolatile)
define void @__memcpy32(i8 * %dst, i8 * %src, i32 %len) alwaysinline {
call void @llvm.memcpy.p0i8.p0i8.i32(i8 * %dst, i8 * %src, i32 %len, i32 0, i1 0)
ret void
}
define void @__memcpy64(i8 * %dst, i8 * %src, i64 %len) alwaysinline {
call void @llvm.memcpy.p0i8.p0i8.i64(i8 * %dst, i8 * %src, i64 %len, i32 0, i1 0)
ret void
}
declare void @llvm.memmove.p0i8.p0i8.i32(i8* %dest, i8* %src,
i32 %len, i32 %align, i1 %isvolatile)
declare void @llvm.memmove.p0i8.p0i8.i64(i8* %dest, i8* %src,
i64 %len, i32 %align, i1 %isvolatile)
define void @__memmove32(i8 * %dst, i8 * %src, i32 %len) alwaysinline {
call void @llvm.memmove.p0i8.p0i8.i32(i8 * %dst, i8 * %src, i32 %len, i32 0, i1 0)
ret void
}
define void @__memmove64(i8 * %dst, i8 * %src, i64 %len) alwaysinline {
call void @llvm.memmove.p0i8.p0i8.i64(i8 * %dst, i8 * %src, i64 %len, i32 0, i1 0)
ret void
}
declare void @llvm.memset.p0i8.i32(i8* %dest, i8 %val, i32 %len, i32 %align,
i1 %isvolatile)
declare void @llvm.memset.p0i8.i64(i8* %dest, i8 %val, i64 %len, i32 %align,
i1 %isvolatile)
define void @__memset32(i8 * %dst, i8 %val, i32 %len) alwaysinline {
call void @llvm.memset.p0i8.i32(i8 * %dst, i8 %val, i32 %len, i32 0, i1 0)
ret void
}
define void @__memset64(i8 * %dst, i8 %val, i64 %len) alwaysinline {
call void @llvm.memset.p0i8.i64(i8 * %dst, i8 %val, i64 %len, i32 0, i1 0)
ret void
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; assert