llvm-6502/xor-undef.ll at 1c8491ecc768c410a552bc3441e456fedc2736ff - llvm-6502 - Applefritter: Git

6502/llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-11-17 03:07:06 +00:00

Evan Cheng d34af7875b Handle a special case xor undef, undef -> 0. Technically this should be transformed to undef. But this is such a common idiom (misuse) we are going to handle it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48791 91177308-0d34-0410-b5e6-96231b3b80d8

2008-03-25 20:07:13 +00:00

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 ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep zeroinitializer
 define <2 x i64> @f() {
 	%tmp = xor <2 x i64> undef, undef
         ret <2 x i64> %tmp
 }