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