1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -verify-machineinstrs | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Test that phis are lowered. 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" 6*9880d681SAndroid Build Coastguard Workertarget triple = "wasm32-unknown-unknown" 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; Basic phi triangle. 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test0: 11*9880d681SAndroid Build Coastguard Worker; CHECK: div_s $[[NUM0:[0-9]+]]=, $0, $pop[[NUM1:[0-9]+]]{{$}} 12*9880d681SAndroid Build Coastguard Worker; CHECK: return $[[NUM0]]{{$}} 13*9880d681SAndroid Build Coastguard Workerdefine i32 @test0(i32 %p) { 14*9880d681SAndroid Build Coastguard Workerentry: 15*9880d681SAndroid Build Coastguard Worker %t = icmp slt i32 %p, 0 16*9880d681SAndroid Build Coastguard Worker br i1 %t, label %true, label %done 17*9880d681SAndroid Build Coastguard Workertrue: 18*9880d681SAndroid Build Coastguard Worker %a = sdiv i32 %p, 3 19*9880d681SAndroid Build Coastguard Worker br label %done 20*9880d681SAndroid Build Coastguard Workerdone: 21*9880d681SAndroid Build Coastguard Worker %s = phi i32 [ %a, %true ], [ %p, %entry ] 22*9880d681SAndroid Build Coastguard Worker ret i32 %s 23*9880d681SAndroid Build Coastguard Worker} 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Worker; Swap phis. 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1: 28*9880d681SAndroid Build Coastguard Worker; CHECK: .LBB1_1: 29*9880d681SAndroid Build Coastguard Worker; CHECK: copy_local $[[NUM0:[0-9]+]]=, $[[NUM1:[0-9]+]]{{$}} 30*9880d681SAndroid Build Coastguard Worker; CHECK: copy_local $[[NUM1]]=, $[[NUM2:[0-9]+]]{{$}} 31*9880d681SAndroid Build Coastguard Worker; CHECK: copy_local $[[NUM2]]=, $[[NUM0]]{{$}} 32*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32 %n) { 33*9880d681SAndroid Build Coastguard Workerentry: 34*9880d681SAndroid Build Coastguard Worker br label %loop 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerloop: 37*9880d681SAndroid Build Coastguard Worker %a = phi i32 [ 0, %entry ], [ %b, %loop ] 38*9880d681SAndroid Build Coastguard Worker %b = phi i32 [ 1, %entry ], [ %a, %loop ] 39*9880d681SAndroid Build Coastguard Worker %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard Worker %i.next = add i32 %i, 1 42*9880d681SAndroid Build Coastguard Worker %t = icmp slt i32 %i.next, %n 43*9880d681SAndroid Build Coastguard Worker br i1 %t, label %loop, label %exit 44*9880d681SAndroid Build Coastguard Worker 45*9880d681SAndroid Build Coastguard Workerexit: 46*9880d681SAndroid Build Coastguard Worker ret i32 %a 47*9880d681SAndroid Build Coastguard Worker} 48