mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-24 20:29:53 +00:00
c7645e860a
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199604 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
779 B
LLVM
36 lines
779 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
;CHECK: @and_consts
|
|
;CHECK: and i32 %k, 12
|
|
;CHECK: icmp ne i32 %0, 12
|
|
;CHECK: ret
|
|
define i1 @and_consts(i32 %k, i32 %c1, i32 %c2) {
|
|
bb:
|
|
%tmp1 = and i32 4, %k
|
|
%tmp2 = icmp eq i32 %tmp1, 0
|
|
%tmp5 = and i32 8, %k
|
|
%tmp6 = icmp eq i32 %tmp5, 0
|
|
%or = or i1 %tmp2, %tmp6
|
|
ret i1 %or
|
|
}
|
|
|
|
;CHECK: @foo1_and
|
|
;CHECK: shl i32 1, %c1
|
|
;CHECK-NEXT: lshr i32 -2147483648, %c2
|
|
;CHECK-NEXT: or i32
|
|
;CHECK-NEXT: and i32
|
|
;CHECK-NEXT: icmp ne i32 %1, %0
|
|
;CHECK: ret
|
|
define i1 @foo1_and(i32 %k, i32 %c1, i32 %c2) {
|
|
bb:
|
|
%tmp = shl i32 1, %c1
|
|
%tmp4 = lshr i32 -2147483648, %c2
|
|
%tmp1 = and i32 %tmp, %k
|
|
%tmp2 = icmp eq i32 %tmp1, 0
|
|
%tmp5 = and i32 %tmp4, %k
|
|
%tmp6 = icmp eq i32 %tmp5, 0
|
|
%or = or i1 %tmp2, %tmp6
|
|
ret i1 %or
|
|
}
|
|
|