blob: b5cb0935d886d5af8f9d7e62e574faaa2ac5d991 [file] [log] [blame]
Hal Finkel4edc66b2015-01-03 01:16:37 +00001; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
2target datalayout = "E-m:e-p:32:32-i64:64-n32"
3target triple = "powerpc-unknown-linux-gnu"
4
5; Function Attrs: nounwind readnone
6define zeroext i16 @test16(i16 zeroext %x, i16 zeroext %y) #0 {
7entry:
8 %0 = xor i16 %y, %x
9 %1 = and i16 %0, 255
10 %cmp = icmp eq i16 %1, 0
11 %cmp20 = icmp ult i16 %0, 256
12 %conv25 = select i1 %cmp, i32 255, i32 0
13 %conv27 = select i1 %cmp20, i32 65280, i32 0
14 %or = or i32 %conv25, %conv27
15 %conv29 = trunc i32 %or to i16
16 ret i16 %conv29
17
18; CHECK-LABEL: @test16
19; CHECK: cmpb [[REG1:[0-9]+]], 4, 3
Hal Finkel7c5cb062015-04-23 18:30:38 +000020; CHECK: clrlwi 3, [[REG1]], 16
Hal Finkel4edc66b2015-01-03 01:16:37 +000021; CHECK: blr
22}
23
24define i32 @test32(i32 %x, i32 %y) #0 {
25entry:
26 %0 = xor i32 %y, %x
27 %1 = and i32 %0, 255
28 %cmp = icmp eq i32 %1, 0
29 %2 = and i32 %0, 65280
30 %cmp28 = icmp eq i32 %2, 0
31 %3 = and i32 %0, 16711680
32 %cmp34 = icmp eq i32 %3, 0
33 %cmp40 = icmp ult i32 %0, 16777216
34 %conv44 = select i1 %cmp, i32 255, i32 0
35 %conv45 = select i1 %cmp28, i32 65280, i32 0
36 %conv47 = select i1 %cmp34, i32 16711680, i32 0
37 %conv50 = select i1 %cmp40, i32 -16777216, i32 0
38 %or = or i32 %conv45, %conv50
39 %or49 = or i32 %or, %conv44
40 %or52 = or i32 %or49, %conv47
41 ret i32 %or52
42
43; CHECK-LABEL: @test32
44; CHECK: cmpb 3, 4, 3
45; CHECK-NOT: rlwinm
46; CHECK: blr
47}
48
49attributes #0 = { nounwind readnone }
50