1; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s 2; Check that memcpy gets lowered to ldm/stm, at least in this very smple case. 3 4%struct.Foo = type { i32, i32, i32, i32 } 5 6define void @_Z10CopyStructP3FooS0_(%struct.Foo* nocapture %a, %struct.Foo* nocapture %b) nounwind { 7entry: 8;CHECK: ldm 9;CHECK: stm 10 %0 = bitcast %struct.Foo* %a to i8* 11 %1 = bitcast %struct.Foo* %b to i8* 12 tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %0, i8* %1, i32 16, i32 4, i1 false) 13 ret void 14} 15 16declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind 17