File: and-elim.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 (18 lines) | stat: -rw-r--r-- 436 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep rlwin

define void @test(i8* %P) {
	%W = load i8, i8* %P
	%X = shl i8 %W, 1
	%Y = add i8 %X, 2
	%Z = and i8 %Y, 254        ; dead and
	store i8 %Z, i8* %P
	ret void
}

define zeroext i16 @test2(i16 zeroext %crc)  { 
        ; No and's should be needed for the i16s here.
        %tmp.1 = lshr i16 %crc, 1
        %tmp.7 = xor i16 %tmp.1, 40961
        ret i16 %tmp.7
}