1; RUN: llc -mtriple=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(ptr %out_buf, ptr %out_buf_size, ptr %in_buf, i32 %in_buf_size, ptr nocapture %dict, i32 %dict_size) nounwind { 11entry: 12 %incdec.ptr = getelementptr inbounds i8, ptr %in_buf, i32 4 13 %0 = load i32, ptr %in_buf, align 4, !tbaa !0 14 %1 = ptrtoint ptr %incdec.ptr to i32 15 %and.i = and i32 %1, 31 16 %sub.i = sub i32 %1, %and.i 17 %2 = inttoptr i32 %sub.i to ptr 18 %add.i = add i32 %in_buf_size, 31 19 %sub2.i = add i32 %add.i, %and.i 20 %div.i = lshr i32 %sub2.i, 5 21 %3 = tail call i32 @llvm.hexagon.A2.combine.ll(i32 32, i32 %div.i) nounwind 22 %4 = tail call i64 @llvm.hexagon.A4.combineir(i32 32, i32 %3) nounwind 23 tail call void asm sideeffect "l2fetch($0,$1)", "r,r,~{memory}"(ptr %2, i64 %4) nounwind, !srcloc !3 24 %5 = ptrtoint ptr %out_buf to i32 25 br label %for.body.i 26 27for.body.i: ; preds = %for.body.i, %entry 28 %i.02.i = phi i32 [ 0, %entry ], [ %inc.i, %for.body.i ] 29 %addr.addr.01.i = phi i32 [ %5, %entry ], [ %add.i14, %for.body.i ] 30 tail call void asm sideeffect "dczeroa($0)", "r"(i32 %addr.addr.01.i) nounwind, !srcloc !4 31 %add.i14 = add i32 %addr.addr.01.i, 32 32 %inc.i = add i32 %i.02.i, 1 33 %exitcond.i = icmp eq i32 %inc.i, 128 34 br i1 %exitcond.i, label %while.cond.preheader, label %for.body.i 35 36while.cond.preheader: ; preds = %for.body.i 37 %and = and i32 %0, 3 38 switch i32 %and, label %infloop.preheader [ 39 i32 0, label %exit_inflate.split 40 i32 2, label %if.then.preheader 41 ] 42 43if.then.preheader: ; preds = %while.cond.preheader 44 br label %if.then 45 46infloop.preheader: ; preds = %while.cond.preheader 47 br label %infloop 48 49if.then: ; preds = %if.then.preheader, %if.then 50 tail call void @llvm.prefetch(ptr %incdec.ptr, i32 0, i32 3, i32 1) 51 br label %if.then 52 53exit_inflate.split: ; preds = %while.cond.preheader 54 ret i32 0 55 56infloop: ; preds = %infloop.preheader, %infloop 57 br label %infloop 58} 59 60declare void @llvm.prefetch(ptr nocapture, i32, i32, i32) nounwind 61 62declare i64 @llvm.hexagon.A4.combineir(i32, i32) nounwind readnone 63 64declare i32 @llvm.hexagon.A2.combine.ll(i32, i32) nounwind readnone 65 66!0 = !{!"long", !1} 67!1 = !{!"omnipotent char", !2} 68!2 = !{!"Simple C/C++ TBAA"} 69!3 = !{i32 18362} 70!4 = !{i32 18893} 71