27 lines
790 B
LLVM
27 lines
790 B
LLVM
; 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: andl $123124
|
|
; DARWIN-OPT-NEXT: leaq 3
|
|
}
|