| ; RUN: llc < %s -mtriple=i686-apple-darwin | FileCheck -check-prefix=DARWIN %s |
| ; RUN: opt < %s -O2 | llc -mtriple=x86_64-apple-darwin | FileCheck -check-prefix=DARWIN-OPT %s |
| |
| ; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1 |
| ; in this case. |
| |
| define i32 @test1(i32 %x, i16 %y) { |
| %tmp1 = zext i16 %y to i32 |
| %tmp2 = and i32 %tmp1, 127 |
| %tmp4 = shl i32 %x, 16 |
| %tmp5 = and i32 %tmp4, 16711680 |
| %tmp6 = or i32 %tmp2, %tmp5 |
| ret i32 %tmp6 |
| ; DARWIN: andl $16711807, %eax |
| } |
| |
| ; <rdar://problem/7529774> The optimizer shouldn't fold this into (and (or, C), D) |
| ; if (C & D) == 0 |
| define i64 @test2(i64 %x) nounwind readnone ssp { |
| entry: |
| %tmp1 = and i64 %x, 123127 |
| %tmp2 = or i64 %tmp1, 3 |
| ret i64 %tmp2 |
| ; DARWIN-OPT: andq $123124 |
| ; DARWIN-OPT-NEXT: leaq 3 |
| } |