summaryrefslogtreecommitdiffstats
path: root/llvm/test/Analysis/ScalarEvolution/xor-and.ll
blob: 9b02bb803ff58a01cd23dd4938d6864fb301aa1e (plain)
1
2
3
4
5
6
7
8
9
10
11
; RUN: llvm-as < %s | opt -scalar-evolution -disable-output -analyze | grep {\\-->  %z}

; ScalarEvolution shouldn't try to analyze %s into something like
;   -->  (zext i4 (-1 + (-1 * (trunc i64 (8 * %x) to i4))) to i64)

define i64 @foo(i64 %x) {
  %a = shl i64 %x, 3
  %t = and i64 %a, 8
  %z = xor i64 %t, 8
  ret i64 %z
}
OpenPOWER on IntegriCloud