File: apint-shift-simplify.ll

package info (click to toggle)
llvm-3.0 3.0-10
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 75,412 kB
  • sloc: cpp: 468,043; asm: 109,345; ansic: 13,782; sh: 12,935; ml: 4,716; python: 4,351; perl: 2,096; makefile: 1,905; pascal: 1,578; exp: 389; xml: 283; lisp: 187; csh: 117
file content (23 lines) | stat: -rw-r--r-- 447 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; RUN: opt < %s -instcombine -S | \
; RUN:    egrep {shl|lshr|ashr} | count 3

define i41 @test0(i41 %A, i41 %B, i41 %C) {
	%X = shl i41 %A, %C
	%Y = shl i41 %B, %C
	%Z = and i41 %X, %Y
	ret i41 %Z
}

define i57 @test1(i57 %A, i57 %B, i57 %C) {
	%X = lshr i57 %A, %C
	%Y = lshr i57 %B, %C
	%Z = or i57 %X, %Y
	ret i57 %Z
}

define i49 @test2(i49 %A, i49 %B, i49 %C) {
	%X = ashr i49 %A, %C
	%Y = ashr i49 %B, %C
	%Z = xor i49 %X, %Y
	ret i49 %Z
}