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18 lines
463 B
LLVM
18 lines
463 B
LLVM
; RUN: llc < %s -march=x86-64 | grep call.*memcpy | count 2
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declare void @llvm.memcpy.i64(i8*, i8*, i64, i32)
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define i8* @my_memcpy(i8* %a, i8* %b, i64 %n) {
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entry:
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tail call void @llvm.memcpy.i64( i8* %a, i8* %b, i64 %n, i32 1 )
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ret i8* %a
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}
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define i8* @my_memcpy2(i64* %a, i64* %b, i64 %n) {
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entry:
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%tmp14 = bitcast i64* %a to i8*
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%tmp25 = bitcast i64* %b to i8*
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tail call void @llvm.memcpy.i64(i8* %tmp14, i8* %tmp25, i64 %n, i32 8 )
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ret i8* %tmp14
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}
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