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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / e8b391ea3cf33a68b0c5eeafc448c53b412dd61f / . / test / CodeGen / X86 / 2004-02-12-Memcpy.llx
blob: 59364c1f6d65305806ac0c81d058d8bb710c2b64 [file] [log] [blame]
Dan Gohmane8b391e2008-04-12 04:36:06 +0000[diff] [blame^]1; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-pc-linux-gnu | grep movs | count 3
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]2
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame]3@A = global [32 x i32] zeroinitializer
4@B = global [32 x i32] zeroinitializer
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]5
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame]6declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]7
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame]8define void @main() {
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]9 ; dword copy
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame]10 call void @llvm.memcpy.i32(i8* bitcast ([32 x i32]* @A to i8*),
11 i8* bitcast ([32 x i32]* @B to i8*),
12 i32 128, i32 4 )
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]13
14 ; word copy
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame]15 call void @llvm.memcpy.i32( i8* bitcast ([32 x i32]* @A to i8*),
16 i8* bitcast ([32 x i32]* @B to i8*),
17 i32 128, i32 2 )
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]18
19 ; byte copy
Rafael Espindola5d3e7622007-08-27 10:18:20 +0000[diff] [blame]20 call void @llvm.memcpy.i32( i8* bitcast ([32 x i32]* @A to i8*),
21 i8* bitcast ([32 x i32]* @B to i8*),
22 i32 128, i32 1 )
23
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]24 ret void
25}