mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 04:30:23 +00:00
578b3ccd8f
Differential Revision: http://reviews.llvm.org/D6430 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222879 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
504 B
LLVM
16 lines
504 B
LLVM
; RUN: opt < %s -instcombine -S | \
|
|
; RUN: FileCheck %s
|
|
|
|
; Should be optimized to one and.
|
|
define i1 @test1(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK-NEXT: %1 = xor i32 %a, %b
|
|
; CHECK-NEXT: %2 = and i32 %1, 65280
|
|
; CHECK-NEXT: %tmp = icmp ne i32 %2, 0
|
|
; CHECK-NEXT: ret i1 %tmp
|
|
%tmp1 = and i32 %a, 65280 ; <i32> [#uses=1]
|
|
%tmp3 = and i32 %b, 65280 ; <i32> [#uses=1]
|
|
%tmp = icmp ne i32 %tmp1, %tmp3 ; <i1> [#uses=1]
|
|
ret i1 %tmp
|
|
}
|