| ; RUN: llc < %s -mcpu=cyclone -verify-machineinstrs -aarch64-enable-ccmp | FileCheck %s |
| target triple = "arm64-apple-ios7.0.0" |
| |
| @channelColumns = external global i64 |
| @channelTracks = external global i64 |
| @mazeRoute = external hidden unnamed_addr global ptr, align 8 |
| @TOP = external global ptr |
| @BOT = external global ptr |
| @netsAssign = external global ptr |
| |
| ; 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, ptr @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 ptr, ptr @mazeRoute, align 8, !tbaa !3 |
| %arrayidx = getelementptr inbounds i8, ptr %2, i64 %i.092 |
| %3 = load i8, ptr %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 ptr, ptr @TOP, align 8, !tbaa !3 |
| %arrayidx1 = getelementptr inbounds i64, ptr %4, i64 %i.092 |
| %5 = load i64, ptr %arrayidx1, align 8, !tbaa !0 |
| %6 = load ptr, ptr @netsAssign, align 8, !tbaa !3 |
| %arrayidx2 = getelementptr inbounds i64, ptr %6, i64 %5 |
| %7 = load i64, ptr %arrayidx2, align 8, !tbaa !0 |
| %8 = load ptr, ptr @BOT, align 8, !tbaa !3 |
| %arrayidx3 = getelementptr inbounds i64, ptr %8, i64 %i.092 |
| %9 = load i64, ptr %arrayidx3, align 8, !tbaa !0 |
| %arrayidx4 = getelementptr inbounds i64, ptr %6, i64 %9 |
| %10 = load i64, ptr %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, ptr @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, ptr @channelColumns, align 8, !tbaa !0 |
| br label %if.else |
| |
| if.then9: ; preds = %land.lhs.true7 |
| %12 = load ptr, ptr @mazeRoute, align 8, !tbaa !3 |
| %arrayidx10 = getelementptr inbounds i8, ptr %12, i64 %i.092 |
| store i8 0, ptr %arrayidx10, align 1, !tbaa !1 |
| %13 = load ptr, ptr @TOP, align 8, !tbaa !3 |
| %arrayidx11 = getelementptr inbounds i64, ptr %13, i64 %i.092 |
| %14 = load i64, ptr %arrayidx11, align 8, !tbaa !0 |
| tail call fastcc void @CleanNet(i64 %14) |
| %15 = load ptr, ptr @BOT, align 8, !tbaa !3 |
| %arrayidx12 = getelementptr inbounds i64, ptr %15, i64 %i.092 |
| %16 = load i64, ptr %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, ptr @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 ptr, ptr @mazeRoute, align 8, !tbaa !3 |
| %arrayidx21 = getelementptr inbounds i8, ptr %19, i64 %i.092 |
| store i8 0, ptr %arrayidx21, align 1, !tbaa !1 |
| %20 = load ptr, ptr @TOP, align 8, !tbaa !3 |
| %arrayidx22 = getelementptr inbounds i64, ptr %20, i64 %i.092 |
| %21 = load i64, ptr %arrayidx22, align 8, !tbaa !0 |
| tail call fastcc void @CleanNet(i64 %21) |
| %22 = load ptr, ptr @BOT, align 8, !tbaa !3 |
| %arrayidx23 = getelementptr inbounds i64, ptr %22, i64 %i.092 |
| %23 = load i64, ptr %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, ptr @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 ptr, ptr @mazeRoute, align 8, !tbaa !3 |
| %arrayidx33 = getelementptr inbounds i8, ptr %25, i64 %i.092 |
| store i8 0, ptr %arrayidx33, align 1, !tbaa !1 |
| %26 = load ptr, ptr @TOP, align 8, !tbaa !3 |
| %arrayidx34 = getelementptr inbounds i64, ptr %26, i64 %i.092 |
| %27 = load i64, ptr %arrayidx34, align 8, !tbaa !0 |
| tail call fastcc void @CleanNet(i64 %27) |
| %28 = load ptr, ptr @BOT, align 8, !tbaa !3 |
| %arrayidx35 = getelementptr inbounds i64, ptr %28, i64 %i.092 |
| %29 = load i64, ptr %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, ptr @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, ptr @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 ptr, ptr @mazeRoute, align 8, !tbaa !3 |
| %arrayidx45 = getelementptr inbounds i8, ptr %32, i64 %i.092 |
| store i8 0, ptr %arrayidx45, align 1, !tbaa !1 |
| %33 = load ptr, ptr @TOP, align 8, !tbaa !3 |
| %arrayidx46 = getelementptr inbounds i64, ptr %33, i64 %i.092 |
| %34 = load i64, ptr %arrayidx46, align 8, !tbaa !0 |
| tail call fastcc void @CleanNet(i64 %34) |
| %35 = load ptr, ptr @BOT, align 8, !tbaa !3 |
| %arrayidx47 = getelementptr inbounds i64, ptr %35, i64 %i.092 |
| %36 = load i64, ptr %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, ptr @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} |
