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1; RUN: llc -mtriple=hexagon < %s | FileCheck %s2; REQUIRES: asserts3 4; Check for a reasonable output. This testcase used to crash.5; CHECK: .size fred6 7target triple = "hexagon"8 9define void @fred() local_unnamed_addr #0 {10entry:11 %0 = load i64, ptr undef, align 812 %shr.i465 = lshr i64 %0, 4813 %trunc = trunc i64 %shr.i465 to i1514 switch i15 %trunc, label %if.end26 [15 i15 -1, label %if.then1416 i15 0, label %if.then2117 ]18 19if.then14: ; preds = %entry20 unreachable21 22if.then21: ; preds = %entry23 unreachable24 25if.end26: ; preds = %entry26 br label %if.end3627 28if.end36: ; preds = %if.end2629 %or.i335 = or i64 undef, undef30 %shl2.i322 = or i64 undef, -922337203685477580831 br i1 undef, label %if.then44, label %lor.rhs.i32 33lor.rhs.i: ; preds = %if.end3634 br label %le128.exit35 36le128.exit: ; preds = %lor.rhs.i37 br i1 undef, label %if.then44, label %while.cond.preheader38 39if.then44: ; preds = %le128.exit, %if.end3640 %conv42544 = phi i64 [ 0, %le128.exit ], [ 1, %if.end36 ]41 br label %while.cond.preheader42 43while.cond.preheader: ; preds = %if.then44, %le128.exit44 %aSig0.3.ph = phi i64 [ undef, %if.then44 ], [ %or.i335, %le128.exit ]45 %q.0.ph = phi i64 [ %conv42544, %if.then44 ], [ 0, %le128.exit ]46 br i1 undef, label %while.body.lr.ph, label %while.end47 48while.body.lr.ph: ; preds = %while.cond.preheader49 %shr.i263 = lshr i64 %shl2.i322, 3250 br label %while.body51 52while.body: ; preds = %exit312, %while.body.lr.ph53 %aSig0.3554 = phi i64 [ %aSig0.3.ph, %while.body.lr.ph ], [ %sub3.i205, %exit312 ]54 br label %while.body.i29755 56while.body.i297: ; preds = %while.body.i297, %while.body57 %z.045.i287 = phi i64 [ %sub.i290, %while.body.i297 ], [ undef, %while.body ]58 %sub.i290 = add i64 %z.045.i287, -429496729659 %cmp3.i296 = icmp slt i64 undef, 060 br i1 %cmp3.i296, label %while.body.i297, label %while.end.i305.loopexit61 62while.end.i305.loopexit: ; preds = %while.body.i29763 %or14.i309 = or i64 0, %sub.i29064 br label %exit31265 66exit312: ; preds = %while.end.i305.loopexit67 %cmp50 = icmp ugt i64 %or14.i309, 468 %cond = select i1 %cmp50, i64 undef, i64 069 %shr3.i.i221 = lshr i64 %cond, 3270 %mul15.i11.i243 = mul nuw i64 %shr3.i.i221, %shr.i26371 %add20.i18.i250 = add i64 0, %mul15.i11.i24372 %add26.i23.i255 = add i64 %add20.i18.i250, 073 %add3.i.i261 = add i64 %add26.i23.i255, 074 %shl4.i215 = shl i64 %add3.i.i261, 6175 %or10.i = or i64 %shl4.i215, 076 %shl2.i207 = shl i64 %aSig0.3554, 6177 %or.i209 = or i64 %shl2.i207, 078 %sub1.i202 = add i64 0, %or.i20979 %sub3.i205 = sub i64 %sub1.i202, %or10.i80 %cmp47 = icmp sgt i32 undef, 6181 br i1 %cmp47, label %while.body, label %while.end.loopexit82 83while.end.loopexit: ; preds = %exit31284 br label %while.end85 86while.end: ; preds = %while.end.loopexit, %while.cond.preheader87 %aSig0.3.lcssa = phi i64 [ %aSig0.3.ph, %while.cond.preheader ], [ %sub3.i205, %while.end.loopexit ]88 %q.0.lcssa = phi i64 [ %q.0.ph, %while.cond.preheader ], [ %cond, %while.end.loopexit ]89 br i1 undef, label %if.then56, label %if.else7190 91if.then56: ; preds = %while.end92 unreachable93 94if.else71: ; preds = %while.end95 %shr8.i155 = lshr i64 %aSig0.3.lcssa, 1296 br label %do.body97 98do.body: ; preds = %do.body, %if.else7199 %aSig0.5 = phi i64 [ %sub3.i151, %do.body ], [ %shr8.i155, %if.else71 ]100 %q.1 = phi i64 [ %inc, %do.body ], [ %q.0.lcssa, %if.else71 ]101 %inc = add i64 %q.1, 1102 %sub1.i148 = sub i64 %aSig0.5, 0103 %sub3.i151 = add i64 %sub1.i148, 0104 %cmp73 = icmp sgt i64 %sub3.i151, -1105 br i1 %cmp73, label %do.body, label %do.end106 107do.end: ; preds = %do.body108 %and = and i64 %inc, 1109 unreachable110}111 112attributes #0 = { nounwind }113