Krzysztof Parzyszek | 07d9f53 | 2016-09-01 13:59:35 +0000 | [diff] [blame^] | 1 | ; RUN: llc -march=hexagon < %s | FileCheck %s |
| 2 | ; REQUIRES: asserts |
| 3 | |
| 4 | ; Check for a reasonable output. This testcase used to crash. |
| 5 | ; CHECK: .size fred |
| 6 | |
| 7 | target triple = "hexagon" |
| 8 | |
| 9 | define void @fred() local_unnamed_addr #0 { |
| 10 | entry: |
| 11 | %0 = load i64, i64* undef, align 8 |
| 12 | %shr.i465 = lshr i64 %0, 48 |
| 13 | %trunc = trunc i64 %shr.i465 to i15 |
| 14 | switch i15 %trunc, label %if.end26 [ |
| 15 | i15 -1, label %if.then14 |
| 16 | i15 0, label %if.then21 |
| 17 | ] |
| 18 | |
| 19 | if.then14: ; preds = %entry |
| 20 | unreachable |
| 21 | |
| 22 | if.then21: ; preds = %entry |
| 23 | unreachable |
| 24 | |
| 25 | if.end26: ; preds = %entry |
| 26 | br label %if.end36 |
| 27 | |
| 28 | if.end36: ; preds = %if.end26 |
| 29 | %or.i335 = or i64 undef, undef |
| 30 | %shl2.i322 = or i64 undef, -9223372036854775808 |
| 31 | br i1 undef, label %if.then44, label %lor.rhs.i |
| 32 | |
| 33 | lor.rhs.i: ; preds = %if.end36 |
| 34 | br label %le128.exit |
| 35 | |
| 36 | le128.exit: ; preds = %lor.rhs.i |
| 37 | br i1 undef, label %if.then44, label %while.cond.preheader |
| 38 | |
| 39 | if.then44: ; preds = %le128.exit, %if.end36 |
| 40 | %conv42544 = phi i64 [ 0, %le128.exit ], [ 1, %if.end36 ] |
| 41 | br label %while.cond.preheader |
| 42 | |
| 43 | while.cond.preheader: ; preds = %if.then44, %le128.exit |
| 44 | %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.end |
| 47 | |
| 48 | while.body.lr.ph: ; preds = %while.cond.preheader |
| 49 | %shr.i263 = lshr i64 %shl2.i322, 32 |
| 50 | br label %while.body |
| 51 | |
| 52 | while.body: ; preds = %exit312, %while.body.lr.ph |
| 53 | %aSig0.3554 = phi i64 [ %aSig0.3.ph, %while.body.lr.ph ], [ %sub3.i205, %exit312 ] |
| 54 | br label %while.body.i297 |
| 55 | |
| 56 | while.body.i297: ; preds = %while.body.i297, %while.body |
| 57 | %z.045.i287 = phi i64 [ %sub.i290, %while.body.i297 ], [ undef, %while.body ] |
| 58 | %sub.i290 = add i64 %z.045.i287, -4294967296 |
| 59 | %cmp3.i296 = icmp slt i64 undef, 0 |
| 60 | br i1 %cmp3.i296, label %while.body.i297, label %while.end.i305.loopexit |
| 61 | |
| 62 | while.end.i305.loopexit: ; preds = %while.body.i297 |
| 63 | %or14.i309 = or i64 0, %sub.i290 |
| 64 | br label %exit312 |
| 65 | |
| 66 | exit312: ; preds = %while.end.i305.loopexit |
| 67 | %cmp50 = icmp ugt i64 %or14.i309, 4 |
| 68 | %cond = select i1 %cmp50, i64 undef, i64 0 |
| 69 | %shr3.i.i221 = lshr i64 %cond, 32 |
| 70 | %mul15.i11.i243 = mul nuw i64 %shr3.i.i221, %shr.i263 |
| 71 | %add20.i18.i250 = add i64 0, %mul15.i11.i243 |
| 72 | %add26.i23.i255 = add i64 %add20.i18.i250, 0 |
| 73 | %add3.i.i261 = add i64 %add26.i23.i255, 0 |
| 74 | %shl4.i215 = shl i64 %add3.i.i261, 61 |
| 75 | %or10.i = or i64 %shl4.i215, 0 |
| 76 | %shl2.i207 = shl i64 %aSig0.3554, 61 |
| 77 | %or.i209 = or i64 %shl2.i207, 0 |
| 78 | %sub1.i202 = add i64 0, %or.i209 |
| 79 | %sub3.i205 = sub i64 %sub1.i202, %or10.i |
| 80 | %cmp47 = icmp sgt i32 undef, 61 |
| 81 | br i1 %cmp47, label %while.body, label %while.end.loopexit |
| 82 | |
| 83 | while.end.loopexit: ; preds = %exit312 |
| 84 | br label %while.end |
| 85 | |
| 86 | while.end: ; preds = %while.end.loopexit, %while.cond.preheader |
| 87 | %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.else71 |
| 90 | |
| 91 | if.then56: ; preds = %while.end |
| 92 | unreachable |
| 93 | |
| 94 | if.else71: ; preds = %while.end |
| 95 | %shr8.i155 = lshr i64 %aSig0.3.lcssa, 12 |
| 96 | br label %do.body |
| 97 | |
| 98 | do.body: ; preds = %do.body, %if.else71 |
| 99 | %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, 1 |
| 102 | %sub1.i148 = sub i64 %aSig0.5, 0 |
| 103 | %sub3.i151 = add i64 %sub1.i148, 0 |
| 104 | %cmp73 = icmp sgt i64 %sub3.i151, -1 |
| 105 | br i1 %cmp73, label %do.body, label %do.end |
| 106 | |
| 107 | do.end: ; preds = %do.body |
| 108 | %and = and i64 %inc, 1 |
| 109 | unreachable |
| 110 | } |
| 111 | |
| 112 | attributes #0 = { nounwind } |