File: rlwimi-and-or-bits.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (27 lines) | stat: -rw-r--r-- 606 bytes parent folder | download | duplicates (16) 
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
 
; RUN: llc -verify-machineinstrs < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"

@m = external global i32, align 4

; Function Attrs: nounwind
define signext i32 @main() #0 {
entry:

; CHECK-LABEL: @main
; CHECK-NOT: rlwimi
; CHECK: andi

  %0 = load i32, i32* @m, align 4
  %or = or i32 %0, 250
  store i32 %or, i32* @m, align 4
  %and = and i32 %or, 249
  %sub.i = sub i32 %and, 0
  %sext = shl i32 %sub.i, 24
  %conv = ashr exact i32 %sext, 24
  ret i32 %conv
}

attributes #0 = { nounwind "target-cpu"="pwr7" }
attributes #1 = { nounwind }