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