1 ; RUN: llc < %s -mtriple=i686-apple-darwin | FileCheck -check-prefix=DARWIN %s 2 ; RUN: opt < %s -O2 | llc -mtriple=x86_64-apple-darwin | FileCheck -check-prefix=DARWIN-OPT %s 3 4 ; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1 5 ; in this case. 6 7 define i32 @test1(i32 %x, i16 %y) { 8 %tmp1 = zext i16 %y to i32 9 %tmp2 = and i32 %tmp1, 127 10 %tmp4 = shl i32 %x, 16 11 %tmp5 = and i32 %tmp4, 16711680 12 %tmp6 = or i32 %tmp2, %tmp5 13 ret i32 %tmp6 14 ; DARWIN: andl $16711807, %eax 15 } 16 17 ; <rdar://problem/7529774> The optimizer shouldn't fold this into (and (or, C), D) 18 ; if (C & D) == 0 19 define i64 @test2(i64 %x) nounwind readnone ssp { 20 entry: 21 %tmp1 = and i64 %x, 123127 22 %tmp2 = or i64 %tmp1, 3 23 ret i64 %tmp2 24 ; DARWIN-OPT: andl $123124 25 ; DARWIN-OPT-NEXT: leaq 3 26 } 27
