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1; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -verify-machineinstrs | FileCheck %s2 3; Test that phis are lowered.4 5target triple = "wasm32-unknown-unknown"6 7; Basic phi triangle.8 9; CHECK-LABEL: test0:10; CHECK: div_s $[[NUM0:[0-9]+]]=, $0, $pop[[NUM1:[0-9]+]]{{$}}11; CHECK: return $[[NUM0]]{{$}}12define i32 @test0(i32 %p) {13entry:14 %t = icmp slt i32 %p, 015 br i1 %t, label %true, label %done16true:17 %a = sdiv i32 %p, 318 br label %done19done:20 %s = phi i32 [ %a, %true ], [ %p, %entry ]21 ret i32 %s22}23 24; Swap phis.25 26; CHECK-LABEL: test1:27; CHECK: .LBB{{[0-9]+}}_1:28; CHECK: local.copy $[[NUM0:[0-9]+]]=, $[[NUM1:[0-9]+]]{{$}}29; CHECK: local.copy $[[NUM1]]=, $[[NUM2:[0-9]+]]{{$}}30; CHECK: local.copy $[[NUM2]]=, $[[NUM0]]{{$}}31define i32 @test1(i32 %n) {32entry:33 br label %loop34 35loop:36 %a = phi i32 [ 0, %entry ], [ %b, %loop ]37 %b = phi i32 [ 1, %entry ], [ %a, %loop ]38 %i = phi i32 [ 0, %entry ], [ %i.next, %loop ]39 40 %i.next = add i32 %i, 141 %t = icmp slt i32 %i.next, %n42 br i1 %t, label %loop, label %exit43 44exit:45 ret i32 %a46}47