File: cmpb-ppc32.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (50 lines) | stat: -rw-r--r-- 1,337 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
target datalayout = "E-m:e-p:32:32-i64:64-n32"
target triple = "powerpc-unknown-linux-gnu"

; Function Attrs: nounwind readnone
define zeroext i16 @test16(i16 zeroext %x, i16 zeroext %y) #0 {
entry:
  %0 = xor i16 %y, %x
  %1 = and i16 %0, 255
  %cmp = icmp eq i16 %1, 0
  %cmp20 = icmp ult i16 %0, 256
  %conv25 = select i1 %cmp, i32 255, i32 0
  %conv27 = select i1 %cmp20, i32 65280, i32 0
  %or = or i32 %conv25, %conv27
  %conv29 = trunc i32 %or to i16
  ret i16 %conv29

; CHECK-LABEL: @test16
; CHECK: cmpb [[REG1:[0-9]+]], 4, 3
; CHECK: clrlwi 3, [[REG1]], 16
; CHECK: blr
}

define i32 @test32(i32 %x, i32 %y) #0 {
entry:
  %0 = xor i32 %y, %x
  %1 = and i32 %0, 255
  %cmp = icmp eq i32 %1, 0
  %2 = and i32 %0, 65280
  %cmp28 = icmp eq i32 %2, 0
  %3 = and i32 %0, 16711680
  %cmp34 = icmp eq i32 %3, 0
  %cmp40 = icmp ult i32 %0, 16777216
  %conv44 = select i1 %cmp, i32 255, i32 0
  %conv45 = select i1 %cmp28, i32 65280, i32 0
  %conv47 = select i1 %cmp34, i32 16711680, i32 0
  %conv50 = select i1 %cmp40, i32 -16777216, i32 0
  %or = or i32 %conv45, %conv50
  %or49 = or i32 %or, %conv44
  %or52 = or i32 %or49, %conv47
  ret i32 %or52

; CHECK-LABEL: @test32
; CHECK: cmpb 3, 4, 3
; CHECK-NOT: rlwinm
; CHECK: blr
}

attributes #0 = { nounwind readnone }