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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / 5d3e762cadf98ff20daefc4407435b2a0ff98b64 / . / test / CodeGen / X86 / 2004-02-12-Memcpy.llx
blob: 56b8d3ba4625db137b0638923959f4c4bc08c3b6 [file] [log] [blame]
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame^]1; RUN: llvm-as < %s | llc -march=x86 | grep movs | count 1
2; RUN: llvm-as < %s | llc -march=x86 | grep memcpy | count 2
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]3
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame^]4@A = global [32 x i32] zeroinitializer
5@B = global [32 x i32] zeroinitializer
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]6
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame^]7declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]8
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame^]9define void @main() {
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]10 ; dword copy
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame^]11 call void @llvm.memcpy.i32(i8* bitcast ([32 x i32]* @A to i8*),
12 i8* bitcast ([32 x i32]* @B to i8*),
13 i32 128, i32 4 )
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]14
15 ; word copy
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame^]16 call void @llvm.memcpy.i32( i8* bitcast ([32 x i32]* @A to i8*),
17 i8* bitcast ([32 x i32]* @B to i8*),
18 i32 128, i32 2 )
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]19
20 ; byte copy
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame^]21 call void @llvm.memcpy.i32( i8* bitcast ([32 x i32]* @A to i8*),
22 i8* bitcast ([32 x i32]* @B to i8*),
23 i32 128, i32 1 )
24
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]25 ret void
26}