1; RUN: llc -march=hexagon < %s | FileCheck %s 2 3; CHECK: { 4; CHECK: loop0(.LBB 5; CHECK-NOT: loop0(##.LBB 6 7target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32" 8target triple = "hexagon" 9 10define i32 @q6zip_uncompress(i8* %out_buf, i32* %out_buf_size, i8* %in_buf, i32 %in_buf_size, i8* nocapture %dict, i32 %dict_size) nounwind { 11entry: 12 %0 = bitcast i8* %in_buf to i32* 13 %incdec.ptr = getelementptr inbounds i8, i8* %in_buf, i32 4 14 %1 = load i32, i32* %0, align 4, !tbaa !0 15 %2 = ptrtoint i8* %incdec.ptr to i32 16 %and.i = and i32 %2, 31 17 %sub.i = sub i32 %2, %and.i 18 %3 = inttoptr i32 %sub.i to i8* 19 %add.i = add i32 %in_buf_size, 31 20 %sub2.i = add i32 %add.i, %and.i 21 %div.i = lshr i32 %sub2.i, 5 22 %4 = tail call i32 @llvm.hexagon.A2.combine.ll(i32 32, i32 %div.i) nounwind 23 %5 = tail call i64 @llvm.hexagon.A4.combineir(i32 32, i32 %4) nounwind 24 tail call void asm sideeffect "l2fetch($0,$1)", "r,r,~{memory}"(i8* %3, i64 %5) nounwind, !srcloc !3 25 %6 = ptrtoint i8* %out_buf to i32 26 br label %for.body.i 27 28for.body.i: ; preds = %for.body.i, %entry 29 %i.02.i = phi i32 [ 0, %entry ], [ %inc.i, %for.body.i ] 30 %addr.addr.01.i = phi i32 [ %6, %entry ], [ %add.i14, %for.body.i ] 31 tail call void asm sideeffect "dczeroa($0)", "r"(i32 %addr.addr.01.i) nounwind, !srcloc !4 32 %add.i14 = add i32 %addr.addr.01.i, 32 33 %inc.i = add i32 %i.02.i, 1 34 %exitcond.i = icmp eq i32 %inc.i, 128 35 br i1 %exitcond.i, label %while.cond.preheader, label %for.body.i 36 37while.cond.preheader: ; preds = %for.body.i 38 %and = and i32 %1, 3 39 switch i32 %and, label %infloop.preheader [ 40 i32 0, label %exit_inflate.split 41 i32 2, label %if.then.preheader 42 ] 43 44if.then.preheader: ; preds = %while.cond.preheader 45 br label %if.then 46 47infloop.preheader: ; preds = %while.cond.preheader 48 br label %infloop 49 50if.then: ; preds = %if.then.preheader, %if.then 51 tail call void @llvm.prefetch(i8* %incdec.ptr, i32 0, i32 3, i32 1) 52 br label %if.then 53 54exit_inflate.split: ; preds = %while.cond.preheader 55 ret i32 0 56 57infloop: ; preds = %infloop.preheader, %infloop 58 br label %infloop 59} 60 61declare void @llvm.prefetch(i8* nocapture, i32, i32, i32) nounwind 62 63declare i64 @llvm.hexagon.A4.combineir(i32, i32) nounwind readnone 64 65declare i32 @llvm.hexagon.A2.combine.ll(i32, i32) nounwind readnone 66 67!0 = !{!"long", !1} 68!1 = !{!"omnipotent char", !2} 69!2 = !{!"Simple C/C++ TBAA"} 70!3 = !{i32 18362} 71!4 = !{i32 18893} 72