1; RUN: llc -verify-machineinstrs < %s | FileCheck %s
2target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128"
3target triple = "powerpc-unknown-linux-gnu"
4
5; CHECK: t
6; CHECK: mr 4, 3
7; CHECK: lbz 3
8; CHECK: extsb 5, 3
9; CHECK: sth 5
10; CHECK: blr
11define signext i16 @t(i16* %dct)  nounwind  {
12entry:
13         load i16, i16* null, align 2         ; <i16>:0 [#uses=2]
14         lshr i16 %0, 11         ; <i16>:1 [#uses=0]
15         trunc i16 %0 to i8              ; <i8>:2 [#uses=1]
16         sext i8 %2 to i16               ; <i16>:3 [#uses=1]
17         add i16 0, %3           ; <i16>:4 [#uses=1]
18         sext i16 %4 to i32              ; <i32>:5 [#uses=1]
19         %dcval.0.in = shl i32 %5, 0             ; <i32> [#uses=1]
20         %dcval.0 = trunc i32 %dcval.0.in to i16         ; <i16>  [#uses=1]
21         store i16 %dcval.0, i16* %dct, align 2
22         ret i16 0
23}
24