llvm-6502/test/CodeGen/X86/and-or-fold.ll
2007-08-15 13:36:28 +00:00

14 lines
538 B
LLVM

; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | grep and | count 1
; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1
; in this case.
uint %test6(uint %x, ushort %y) {
%tmp1 = cast ushort %y to uint
%tmp2 = and uint %tmp1, 127 ; <uint> [#uses=1]
%tmp4 = shl uint %x, ubyte 16 ; <uint> [#uses=1]
%tmp5 = and uint %tmp4, 16711680 ; <uint> [#uses=1]
%tmp6 = or uint %tmp2, %tmp5 ; <uint> [#uses=1]
ret uint %tmp6
}