1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine i32 @test_consts(i32 %in) { 4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_consts: 5*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: bfxil 6*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: and 7*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: orr 8*9880d681SAndroid Build Coastguard Worker; CHECK: ret 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker %lo = and i32 %in, 65535 11*9880d681SAndroid Build Coastguard Worker %hi = and i32 %in, -65536 12*9880d681SAndroid Build Coastguard Worker %res = or i32 %lo, %hi 13*9880d681SAndroid Build Coastguard Worker ret i32 %res 14*9880d681SAndroid Build Coastguard Worker} 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerdefine i32 @test_generic(i32 %in, i32 %mask1, i32 %mask2) { 17*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_generic: 18*9880d681SAndroid Build Coastguard Worker; CHECK: orr [[FULL_MASK:w[0-9]+]], w1, w2 19*9880d681SAndroid Build Coastguard Worker; CHECK: and w0, w0, [[FULL_MASK]] 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Worker %lo = and i32 %in, %mask1 22*9880d681SAndroid Build Coastguard Worker %hi = and i32 %in, %mask2 23*9880d681SAndroid Build Coastguard Worker %res = or i32 %lo, %hi 24*9880d681SAndroid Build Coastguard Worker ret i32 %res 25*9880d681SAndroid Build Coastguard Worker} 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Worker; In this case the transformation isn't profitable, since %lo and %hi 28*9880d681SAndroid Build Coastguard Worker; are used more than once. 29*9880d681SAndroid Build Coastguard Workerdefine [3 x i32] @test_reuse(i32 %in, i32 %mask1, i32 %mask2) { 30*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_reuse: 31*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: and w1, w0, w1 32*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: and w2, w0, w2 33*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: orr w0, w1, w2 34*9880d681SAndroid Build Coastguard Worker 35*9880d681SAndroid Build Coastguard Worker %lo = and i32 %in, %mask1 36*9880d681SAndroid Build Coastguard Worker %hi = and i32 %in, %mask2 37*9880d681SAndroid Build Coastguard Worker %recombine = or i32 %lo, %hi 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker %res.tmp0 = insertvalue [3 x i32] undef, i32 %recombine, 0 40*9880d681SAndroid Build Coastguard Worker %res.tmp1 = insertvalue [3 x i32] %res.tmp0, i32 %lo, 1 41*9880d681SAndroid Build Coastguard Worker %res = insertvalue [3 x i32] %res.tmp1, i32 %hi, 2 42*9880d681SAndroid Build Coastguard Worker 43*9880d681SAndroid Build Coastguard Worker ret [3 x i32] %res 44*9880d681SAndroid Build Coastguard Worker} 45