; RUN: llc < %s -mcpu=cyclone -verify-machineinstrs -aarch64-ccmp | FileCheck %s target triple = "arm64-apple-ios7.0.0" @channelColumns = external global i64 @channelTracks = external global i64 @mazeRoute = external hidden unnamed_addr global i8*, align 8 @TOP = external global i64* @BOT = external global i64* @netsAssign = external global i64* ; Function from yacr2/maze.c ; The branch at the end of %if.then is driven by %cmp5 and %cmp6. ; Isel converts the and i1 into two branches, and arm64-ccmp should not convert ; it back again. %cmp6 has much higher latency than %cmp5. ; CHECK: Maze1 ; CHECK: %if.then ; CHECK: cmp x{{[0-9]+}}, #2 ; CHECK-NEXT: b.lo ; CHECK: %if.then ; CHECK: cmp x{{[0-9]+}}, #2 ; CHECK-NEXT: b.lo define i32 @Maze1() nounwind ssp { entry: %0 = load i64, i64* @channelColumns, align 8, !tbaa !0 %cmp90 = icmp eq i64 %0, 0 br i1 %cmp90, label %for.end, label %for.body for.body: ; preds = %for.inc, %entry %1 = phi i64 [ %0, %entry ], [ %37, %for.inc ] %i.092 = phi i64 [ 1, %entry ], [ %inc53, %for.inc ] %numLeft.091 = phi i32 [ 0, %entry ], [ %numLeft.1, %for.inc ] %2 = load i8*, i8** @mazeRoute, align 8, !tbaa !3 %arrayidx = getelementptr inbounds i8, i8* %2, i64 %i.092 %3 = load i8, i8* %arrayidx, align 1, !tbaa !1 %tobool = icmp eq i8 %3, 0 br i1 %tobool, label %for.inc, label %if.then if.then: ; preds = %for.body %4 = load i64*, i64** @TOP, align 8, !tbaa !3 %arrayidx1 = getelementptr inbounds i64, i64* %4, i64 %i.092 %5 = load i64, i64* %arrayidx1, align 8, !tbaa !0 %6 = load i64*, i64** @netsAssign, align 8, !tbaa !3 %arrayidx2 = getelementptr inbounds i64, i64* %6, i64 %5 %7 = load i64, i64* %arrayidx2, align 8, !tbaa !0 %8 = load i64*, i64** @BOT, align 8, !tbaa !3 %arrayidx3 = getelementptr inbounds i64, i64* %8, i64 %i.092 %9 = load i64, i64* %arrayidx3, align 8, !tbaa !0 %arrayidx4 = getelementptr inbounds i64, i64* %6, i64 %9 %10 = load i64, i64* %arrayidx4, align 8, !tbaa !0 %cmp5 = icmp ugt i64 %i.092, 1 %cmp6 = icmp ugt i64 %10, 1 %or.cond = and i1 %cmp5, %cmp6 br i1 %or.cond, label %land.lhs.true7, label %if.else land.lhs.true7: ; preds = %if.then %11 = load i64, i64* @channelTracks, align 8, !tbaa !0 %add = add i64 %11, 1 %call = tail call fastcc i32 @Maze1Mech(i64 %i.092, i64 %add, i64 %10, i64 0, i64 %7, i32 -1, i32 -1) %tobool8 = icmp eq i32 %call, 0 br i1 %tobool8, label %land.lhs.true7.if.else_crit_edge, label %if.then9 land.lhs.true7.if.else_crit_edge: ; preds = %land.lhs.true7 %.pre = load i64, i64* @channelColumns, align 8, !tbaa !0 br label %if.else if.then9: ; preds = %land.lhs.true7 %12 = load i8*, i8** @mazeRoute, align 8, !tbaa !3 %arrayidx10 = getelementptr inbounds i8, i8* %12, i64 %i.092 store i8 0, i8* %arrayidx10, align 1, !tbaa !1 %13 = load i64*, i64** @TOP, align 8, !tbaa !3 %arrayidx11 = getelementptr inbounds i64, i64* %13, i64 %i.092 %14 = load i64, i64* %arrayidx11, align 8, !tbaa !0 tail call fastcc void @CleanNet(i64 %14) %15 = load i64*, i64** @BOT, align 8, !tbaa !3 %arrayidx12 = getelementptr inbounds i64, i64* %15, i64 %i.092 %16 = load i64, i64* %arrayidx12, align 8, !tbaa !0 tail call fastcc void @CleanNet(i64 %16) br label %for.inc if.else: ; preds = %land.lhs.true7.if.else_crit_edge, %if.then %17 = phi i64 [ %.pre, %land.lhs.true7.if.else_crit_edge ], [ %1, %if.then ] %cmp13 = icmp ult i64 %i.092, %17 %or.cond89 = and i1 %cmp13, %cmp6 br i1 %or.cond89, label %land.lhs.true16, label %if.else24 land.lhs.true16: ; preds = %if.else %18 = load i64, i64* @channelTracks, align 8, !tbaa !0 %add17 = add i64 %18, 1 %call18 = tail call fastcc i32 @Maze1Mech(i64 %i.092, i64 %add17, i64 %10, i64 0, i64 %7, i32 1, i32 -1) %tobool19 = icmp eq i32 %call18, 0 br i1 %tobool19, label %if.else24, label %if.then20 if.then20: ; preds = %land.lhs.true16 %19 = load i8*, i8** @mazeRoute, align 8, !tbaa !3 %arrayidx21 = getelementptr inbounds i8, i8* %19, i64 %i.092 store i8 0, i8* %arrayidx21, align 1, !tbaa !1 %20 = load i64*, i64** @TOP, align 8, !tbaa !3 %arrayidx22 = getelementptr inbounds i64, i64* %20, i64 %i.092 %21 = load i64, i64* %arrayidx22, align 8, !tbaa !0 tail call fastcc void @CleanNet(i64 %21) %22 = load i64*, i64** @BOT, align 8, !tbaa !3 %arrayidx23 = getelementptr inbounds i64, i64* %22, i64 %i.092 %23 = load i64, i64* %arrayidx23, align 8, !tbaa !0 tail call fastcc void @CleanNet(i64 %23) br label %for.inc if.else24: ; preds = %land.lhs.true16, %if.else br i1 %cmp5, label %land.lhs.true26, label %if.else36 land.lhs.true26: ; preds = %if.else24 %24 = load i64, i64* @channelTracks, align 8, !tbaa !0 %cmp27 = icmp ult i64 %7, %24 br i1 %cmp27, label %land.lhs.true28, label %if.else36 land.lhs.true28: ; preds = %land.lhs.true26 %add29 = add i64 %24, 1 %call30 = tail call fastcc i32 @Maze1Mech(i64 %i.092, i64 0, i64 %7, i64 %add29, i64 %10, i32 -1, i32 1) %tobool31 = icmp eq i32 %call30, 0 br i1 %tobool31, label %if.else36, label %if.then32 if.then32: ; preds = %land.lhs.true28 %25 = load i8*, i8** @mazeRoute, align 8, !tbaa !3 %arrayidx33 = getelementptr inbounds i8, i8* %25, i64 %i.092 store i8 0, i8* %arrayidx33, align 1, !tbaa !1 %26 = load i64*, i64** @TOP, align 8, !tbaa !3 %arrayidx34 = getelementptr inbounds i64, i64* %26, i64 %i.092 %27 = load i64, i64* %arrayidx34, align 8, !tbaa !0 tail call fastcc void @CleanNet(i64 %27) %28 = load i64*, i64** @BOT, align 8, !tbaa !3 %arrayidx35 = getelementptr inbounds i64, i64* %28, i64 %i.092 %29 = load i64, i64* %arrayidx35, align 8, !tbaa !0 tail call fastcc void @CleanNet(i64 %29) br label %for.inc if.else36: ; preds = %land.lhs.true28, %land.lhs.true26, %if.else24 %30 = load i64, i64* @channelColumns, align 8, !tbaa !0 %cmp37 = icmp ult i64 %i.092, %30 br i1 %cmp37, label %land.lhs.true38, label %if.else48 land.lhs.true38: ; preds = %if.else36 %31 = load i64, i64* @channelTracks, align 8, !tbaa !0 %cmp39 = icmp ult i64 %7, %31 br i1 %cmp39, label %land.lhs.true40, label %if.else48 land.lhs.true40: ; preds = %land.lhs.true38 %add41 = add i64 %31, 1 %call42 = tail call fastcc i32 @Maze1Mech(i64 %i.092, i64 0, i64 %7, i64 %add41, i64 %10, i32 1, i32 1) %tobool43 = icmp eq i32 %call42, 0 br i1 %tobool43, label %if.else48, label %if.then44 if.then44: ; preds = %land.lhs.true40 %32 = load i8*, i8** @mazeRoute, align 8, !tbaa !3 %arrayidx45 = getelementptr inbounds i8, i8* %32, i64 %i.092 store i8 0, i8* %arrayidx45, align 1, !tbaa !1 %33 = load i64*, i64** @TOP, align 8, !tbaa !3 %arrayidx46 = getelementptr inbounds i64, i64* %33, i64 %i.092 %34 = load i64, i64* %arrayidx46, align 8, !tbaa !0 tail call fastcc void @CleanNet(i64 %34) %35 = load i64*, i64** @BOT, align 8, !tbaa !3 %arrayidx47 = getelementptr inbounds i64, i64* %35, i64 %i.092 %36 = load i64, i64* %arrayidx47, align 8, !tbaa !0 tail call fastcc void @CleanNet(i64 %36) br label %for.inc if.else48: ; preds = %land.lhs.true40, %land.lhs.true38, %if.else36 %inc = add nsw i32 %numLeft.091, 1 br label %for.inc for.inc: ; preds = %if.else48, %if.then44, %if.then32, %if.then20, %if.then9, %for.body %numLeft.1 = phi i32 [ %numLeft.091, %if.then9 ], [ %numLeft.091, %if.then20 ], [ %numLeft.091, %if.then32 ], [ %numLeft.091, %if.then44 ], [ %inc, %if.else48 ], [ %numLeft.091, %for.body ] %inc53 = add i64 %i.092, 1 %37 = load i64, i64* @channelColumns, align 8, !tbaa !0 %cmp = icmp ugt i64 %inc53, %37 br i1 %cmp, label %for.end, label %for.body for.end: ; preds = %for.inc, %entry %numLeft.0.lcssa = phi i32 [ 0, %entry ], [ %numLeft.1, %for.inc ] ret i32 %numLeft.0.lcssa } ; Materializable declare hidden fastcc i32 @Maze1Mech(i64, i64, i64, i64, i64, i32, i32) nounwind ssp ; Materializable declare hidden fastcc void @CleanNet(i64) nounwind ssp !0 = !{!"long", !1} !1 = !{!"omnipotent char", !2} !2 = !{!"Simple C/C++ TBAA"} !3 = !{!"any pointer", !1}