1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=armv6t2-eabi %s -o - | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(i64 %a, i64 %b) { 4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 5*9880d681SAndroid Build Coastguard Worker; CHECK: subs r 6*9880d681SAndroid Build Coastguard Worker; CHECK: sbc r 7*9880d681SAndroid Build Coastguard Workerentry: 8*9880d681SAndroid Build Coastguard Worker %tmp = sub i64 %a, %b 9*9880d681SAndroid Build Coastguard Worker ret i64 %tmp 10*9880d681SAndroid Build Coastguard Worker} 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdefine i64 @f2(i64 %a, i64 %b) { 13*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 14*9880d681SAndroid Build Coastguard Worker; CHECK: lsl r 15*9880d681SAndroid Build Coastguard Worker; CHECK: orr r 16*9880d681SAndroid Build Coastguard Worker; CHECK: rsbs r 17*9880d681SAndroid Build Coastguard Worker; CHECK: sbc r 18*9880d681SAndroid Build Coastguard Workerentry: 19*9880d681SAndroid Build Coastguard Worker %tmp1 = shl i64 %a, 1 20*9880d681SAndroid Build Coastguard Worker %tmp2 = sub i64 %tmp1, %b 21*9880d681SAndroid Build Coastguard Worker ret i64 %tmp2 22*9880d681SAndroid Build Coastguard Worker} 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Worker; add with live carry 25*9880d681SAndroid Build Coastguard Workerdefine i64 @f3(i32 %al, i32 %bl) { 26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3: 27*9880d681SAndroid Build Coastguard Worker; CHECK: adds r 28*9880d681SAndroid Build Coastguard Worker; CHECK: adc r 29*9880d681SAndroid Build Coastguard Workerentry: 30*9880d681SAndroid Build Coastguard Worker ; unsigned wide add 31*9880d681SAndroid Build Coastguard Worker %aw = zext i32 %al to i64 32*9880d681SAndroid Build Coastguard Worker %bw = zext i32 %bl to i64 33*9880d681SAndroid Build Coastguard Worker %cw = add i64 %aw, %bw 34*9880d681SAndroid Build Coastguard Worker ; ch == carry bit 35*9880d681SAndroid Build Coastguard Worker %ch = lshr i64 %cw, 32 36*9880d681SAndroid Build Coastguard Worker %dw = add i64 %ch, %bw 37*9880d681SAndroid Build Coastguard Worker ret i64 %dw 38*9880d681SAndroid Build Coastguard Worker} 39*9880d681SAndroid Build Coastguard Worker 40*9880d681SAndroid Build Coastguard Worker; rdar://10073745 41*9880d681SAndroid Build Coastguard Workerdefine i64 @f4(i64 %x) nounwind readnone { 42*9880d681SAndroid Build Coastguard Workerentry: 43*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4: 44*9880d681SAndroid Build Coastguard Worker; CHECK: rsbs r 45*9880d681SAndroid Build Coastguard Worker; CHECK: rsc r 46*9880d681SAndroid Build Coastguard Worker %0 = sub nsw i64 0, %x 47*9880d681SAndroid Build Coastguard Worker ret i64 %0 48*9880d681SAndroid Build Coastguard Worker} 49*9880d681SAndroid Build Coastguard Worker 50*9880d681SAndroid Build Coastguard Worker; rdar://12559385 51*9880d681SAndroid Build Coastguard Workerdefine i64 @f5(i32 %vi) { 52*9880d681SAndroid Build Coastguard Workerentry: 53*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f5: 54*9880d681SAndroid Build Coastguard Worker; CHECK: movw [[REG:r[0-9]+]], #36102 55*9880d681SAndroid Build Coastguard Worker; CHECK: sbc r{{[0-9]+}}, r{{[0-9]+}}, [[REG]] 56*9880d681SAndroid Build Coastguard Worker %v0 = zext i32 %vi to i64 57*9880d681SAndroid Build Coastguard Worker %v1 = xor i64 %v0, -155057456198619 58*9880d681SAndroid Build Coastguard Worker %v4 = add i64 %v1, 155057456198619 59*9880d681SAndroid Build Coastguard Worker %v5 = add i64 %v4, %v1 60*9880d681SAndroid Build Coastguard Worker ret i64 %v5 61*9880d681SAndroid Build Coastguard Worker} 62