1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=arm64-linux-gnu -fast-isel=0 -verify-machineinstrs < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=arm64-linux-gnu -fast-isel=1 -verify-machineinstrs < %s | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32 %x) { 5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1 6*9880d681SAndroid Build Coastguard Worker; CHECK: add w8, w0, #7 7*9880d681SAndroid Build Coastguard Worker; CHECK: cmp w0, #0 8*9880d681SAndroid Build Coastguard Worker; CHECK: csel w8, w8, w0, lt 9*9880d681SAndroid Build Coastguard Worker; CHECK: asr w0, w8, #3 10*9880d681SAndroid Build Coastguard Worker %div = sdiv i32 %x, 8 11*9880d681SAndroid Build Coastguard Worker ret i32 %div 12*9880d681SAndroid Build Coastguard Worker} 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32 %x) { 15*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test2 16*9880d681SAndroid Build Coastguard Worker; CHECK: add w8, w0, #7 17*9880d681SAndroid Build Coastguard Worker; CHECK: cmp w0, #0 18*9880d681SAndroid Build Coastguard Worker; CHECK: csel w8, w8, w0, lt 19*9880d681SAndroid Build Coastguard Worker; CHECK: neg w0, w8, asr #3 20*9880d681SAndroid Build Coastguard Worker %div = sdiv i32 %x, -8 21*9880d681SAndroid Build Coastguard Worker ret i32 %div 22*9880d681SAndroid Build Coastguard Worker} 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerdefine i32 @test3(i32 %x) { 25*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test3 26*9880d681SAndroid Build Coastguard Worker; CHECK: add w8, w0, #31 27*9880d681SAndroid Build Coastguard Worker; CHECK: cmp w0, #0 28*9880d681SAndroid Build Coastguard Worker; CHECK: csel w8, w8, w0, lt 29*9880d681SAndroid Build Coastguard Worker; CHECK: asr w0, w8, #5 30*9880d681SAndroid Build Coastguard Worker %div = sdiv i32 %x, 32 31*9880d681SAndroid Build Coastguard Worker ret i32 %div 32*9880d681SAndroid Build Coastguard Worker} 33*9880d681SAndroid Build Coastguard Worker 34*9880d681SAndroid Build Coastguard Workerdefine i64 @test4(i64 %x) { 35*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test4 36*9880d681SAndroid Build Coastguard Worker; CHECK: add x8, x0, #7 37*9880d681SAndroid Build Coastguard Worker; CHECK: cmp x0, #0 38*9880d681SAndroid Build Coastguard Worker; CHECK: csel x8, x8, x0, lt 39*9880d681SAndroid Build Coastguard Worker; CHECK: asr x0, x8, #3 40*9880d681SAndroid Build Coastguard Worker %div = sdiv i64 %x, 8 41*9880d681SAndroid Build Coastguard Worker ret i64 %div 42*9880d681SAndroid Build Coastguard Worker} 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard Workerdefine i64 @test5(i64 %x) { 45*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test5 46*9880d681SAndroid Build Coastguard Worker; CHECK: add x8, x0, #7 47*9880d681SAndroid Build Coastguard Worker; CHECK: cmp x0, #0 48*9880d681SAndroid Build Coastguard Worker; CHECK: csel x8, x8, x0, lt 49*9880d681SAndroid Build Coastguard Worker; CHECK: neg x0, x8, asr #3 50*9880d681SAndroid Build Coastguard Worker %div = sdiv i64 %x, -8 51*9880d681SAndroid Build Coastguard Worker ret i64 %div 52*9880d681SAndroid Build Coastguard Worker} 53*9880d681SAndroid Build Coastguard Worker 54*9880d681SAndroid Build Coastguard Workerdefine i64 @test6(i64 %x) { 55*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test6 56*9880d681SAndroid Build Coastguard Worker; CHECK: add x8, x0, #63 57*9880d681SAndroid Build Coastguard Worker; CHECK: cmp x0, #0 58*9880d681SAndroid Build Coastguard Worker; CHECK: csel x8, x8, x0, lt 59*9880d681SAndroid Build Coastguard Worker; CHECK: asr x0, x8, #6 60*9880d681SAndroid Build Coastguard Worker %div = sdiv i64 %x, 64 61*9880d681SAndroid Build Coastguard Worker ret i64 %div 62*9880d681SAndroid Build Coastguard Worker} 63*9880d681SAndroid Build Coastguard Worker 64*9880d681SAndroid Build Coastguard Workerdefine i64 @test7(i64 %x) { 65*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test7 66*9880d681SAndroid Build Coastguard Worker; CHECK: orr [[REG:x[0-9]+]], xzr, #0xffffffffffff 67*9880d681SAndroid Build Coastguard Worker; CHECK: add x8, x0, [[REG]] 68*9880d681SAndroid Build Coastguard Worker; CHECK: cmp x0, #0 69*9880d681SAndroid Build Coastguard Worker; CHECK: csel x8, x8, x0, lt 70*9880d681SAndroid Build Coastguard Worker; CHECK: asr x0, x8, #48 71*9880d681SAndroid Build Coastguard Worker %div = sdiv i64 %x, 281474976710656 72*9880d681SAndroid Build Coastguard Worker ret i64 %div 73*9880d681SAndroid Build Coastguard Worker} 74*9880d681SAndroid Build Coastguard Worker 75