| ; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-pc-linux-gnu | grep movs | count 1 |
| ; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-pc-linux-gnu | grep memcpy | count 2 |
| |
| @A = global [32 x i32] zeroinitializer |
| @B = global [32 x i32] zeroinitializer |
| |
| declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) |
| |
| define void @main() { |
| ; dword copy |
| call void @llvm.memcpy.i32(i8* bitcast ([32 x i32]* @A to i8*), |
| i8* bitcast ([32 x i32]* @B to i8*), |
| i32 128, i32 4 ) |
| |
| ; word copy |
| call void @llvm.memcpy.i32( i8* bitcast ([32 x i32]* @A to i8*), |
| i8* bitcast ([32 x i32]* @B to i8*), |
| i32 128, i32 2 ) |
| |
| ; byte copy |
| call void @llvm.memcpy.i32( i8* bitcast ([32 x i32]* @A to i8*), |
| i8* bitcast ([32 x i32]* @B to i8*), |
| i32 128, i32 1 ) |
| |
| ret void |
| } |
