mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-03 01:12:53 +00:00
e3b23cde80
This is just the fallback tie-breaker ordering, the main allocation order is still descending size. Patch by Shamil Kurmangaleev! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153904 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
581 B
LLVM
17 lines
581 B
LLVM
; 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
|