File: and-elim.ll

package info (click to toggle)
llvm 2.2-12
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 38,648 kB
  • ctags: 28,258
  • sloc: cpp: 215,479; sh: 12,132; ansic: 10,002; yacc: 5,525; perl: 2,352; ml: 1,580; makefile: 956; pascal: 718; lex: 602; exp: 320; ada: 193; lisp: 160; csh: 116; objc: 59; python: 59; tcl: 20
file content (18 lines) | stat: -rw-r--r-- 415 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: llvm-as < %s | llc -march=ppc32 | not grep rlwin

define void @test(i8* %P) {
	%W = load 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 i16 @test2(i16 zeroext %crc) zeroext { 
        ; 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
}