llvm-6502/test/Analysis/ScalarEvolution/xor-and.ll
Bill Wendling ac838d1c14 FileCheckize some of the testcases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187756 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-05 23:43:18 +00:00

14 lines
363 B
LLVM

; RUN: opt < %s -scalar-evolution -analyze | FileCheck %s
; ScalarEvolution shouldn't try to analyze %z into something like
; --> (zext i4 (-1 + (-1 * (trunc i64 (8 * %x) to i4))) to i64)
; CHECK: --> (zext i4 (-8 + (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
}