[ARM] Add Thumb-2 code size optimization regression test for LSR (immediate).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217581 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tilmann Scheller 2014-09-11 10:42:17 +00:00
parent d1c83953b9
commit 171bd26061

View File

@ -64,3 +64,12 @@ entry:
%shl = shl i32 %a, %b
ret i32 %shl
}
define i32 @lsr-imm(i32 %a) nounwind readnone {
; CHECK-LABEL: "lsr-imm":
; CHECK: lsr.w r{{[0-9]+}}, r{{[0-9]+}}, #13 @ encoding: [{{0x..,0x..,0x..,0x..}}]
; CHECK-OPT: lsrs r{{[0-7]}}, r{{[0-7]}}, #13 @ encoding: [{{0x..,0x..}}]
entry:
%shr = lshr i32 %a, 13
ret i32 %shr
}