Mercurial > hg > CbC > CbC_llvm
comparison test/CodeGen/X86/unreachable-loop-sinking.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 12 Dec 2013 13:56:28 +0900 |
| parents | |
| children |
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| -1:000000000000 | 0:95c75e76d11b |
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| 1 ; RUN: llc < %s | |
| 2 ; PR6777 | |
| 3 | |
| 4 ; MachineSink shouldn't try to sink code in unreachable blocks, as it's | |
| 5 ; not worthwhile, and there are corner cases which it doesn't handle. | |
| 6 | |
| 7 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" | |
| 8 target triple = "x86_64-unknown-linux-gnu" | |
| 9 | |
| 10 define double @fn1(i8* %arg, i64 %arg1) { | |
| 11 Entry: | |
| 12 br i1 undef, label %Body, label %Exit | |
| 13 | |
| 14 Exit: ; preds = %Brancher7, %Entry | |
| 15 ret double undef | |
| 16 | |
| 17 Body: ; preds = %Entry | |
| 18 br i1 false, label %Brancher7, label %Body3 | |
| 19 | |
| 20 Body3: ; preds = %Body6, %Body3, %Body | |
| 21 br label %Body3 | |
| 22 | |
| 23 Body6: ; preds = %Brancher7 | |
| 24 %tmp = fcmp oeq double 0xC04FBB2E40000000, undef ; <i1> [#uses=1] | |
| 25 br i1 %tmp, label %Body3, label %Brancher7 | |
| 26 | |
| 27 Brancher7: ; preds = %Body6, %Body | |
| 28 %tmp2 = icmp ult i32 undef, 10 ; <i1> [#uses=1] | |
| 29 br i1 %tmp2, label %Body6, label %Exit | |
| 30 } |