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| author | Devang Patel <dpatel@apple.com> | 2008-02-08 22:49:13 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2008-02-08 22:49:13 +0000 |
| commit | 82ada54da02a0b2a977fdeb6782c8e5ab9a9b9ea (patch) | |
| tree | 01b50af70b57f54c1ab868e12c50e71507b4fcaf /test/Transforms | |
| parent | f2f8c2ae07b7d9bdbf1b89781c573c7af2bd5e1b (diff) | |
Fix PR 1995.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46898 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/LoopIndexSplit/2008-02-08-Crash.ll | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/test/Transforms/LoopIndexSplit/2008-02-08-Crash.ll b/test/Transforms/LoopIndexSplit/2008-02-08-Crash.ll new file mode 100644 index 0000000000..4ad906719f --- /dev/null +++ b/test/Transforms/LoopIndexSplit/2008-02-08-Crash.ll @@ -0,0 +1,48 @@ +; RUN: llvm-as < %s | opt -loop-index-split -disable-output +; PR 1995 + +define void @add_blkdev_randomness(i32 %major) nounwind { +entry: + br label %bb + +bb: ; preds = %bb39, %entry + %A.0.reg2mem.0 = phi i32 [ undef, %entry ], [ %TEMP.0, %bb39 ] ; <i32> [#uses=1] + %D.0.reg2mem.0 = phi i32 [ undef, %entry ], [ %C.0.reg2mem.0, %bb39 ] ; <i32> [#uses=3] + %C.0.reg2mem.0 = phi i32 [ undef, %entry ], [ %tmp34, %bb39 ] ; <i32> [#uses=4] + %TEMP.1.reg2mem.0 = phi i32 [ undef, %entry ], [ %TEMP.0, %bb39 ] ; <i32> [#uses=1] + %i.0.reg2mem.0 = phi i32 [ 0, %entry ], [ %tmp38, %bb39 ] ; <i32> [#uses=3] + %B.0.reg2mem.0 = phi i32 [ undef, %entry ], [ %A.0.reg2mem.0, %bb39 ] ; <i32> [#uses=5] + %tmp1 = icmp slt i32 %i.0.reg2mem.0, 40 ; <i1> [#uses=1] + br i1 %tmp1, label %bb3, label %bb12 + +bb3: ; preds = %bb + %tmp6 = xor i32 %C.0.reg2mem.0, %D.0.reg2mem.0 ; <i32> [#uses=1] + %tmp8 = and i32 %B.0.reg2mem.0, %tmp6 ; <i32> [#uses=1] + %tmp10 = xor i32 %tmp8, %D.0.reg2mem.0 ; <i32> [#uses=1] + %tmp11 = add i32 %tmp10, 1518500249 ; <i32> [#uses=1] + br label %bb39 + +bb12: ; preds = %bb + %tmp14 = icmp slt i32 %i.0.reg2mem.0, 60 ; <i1> [#uses=1] + br i1 %tmp14, label %bb17, label %bb39 + +bb17: ; preds = %bb12 + %tmp20 = and i32 %B.0.reg2mem.0, %C.0.reg2mem.0 ; <i32> [#uses=1] + %tmp23 = xor i32 %B.0.reg2mem.0, %C.0.reg2mem.0 ; <i32> [#uses=1] + %tmp25 = and i32 %tmp23, %D.0.reg2mem.0 ; <i32> [#uses=1] + %tmp26 = add i32 %tmp20, -1894007588 ; <i32> [#uses=1] + %tmp27 = add i32 %tmp26, %tmp25 ; <i32> [#uses=1] + br label %bb39 + +bb39: ; preds = %bb12, %bb3, %bb17 + %TEMP.0 = phi i32 [ %tmp27, %bb17 ], [ %tmp11, %bb3 ], [ %TEMP.1.reg2mem.0, %bb12 ] ; <i32> [#uses=2] + %tmp31 = lshr i32 %B.0.reg2mem.0, 2 ; <i32> [#uses=1] + %tmp33 = shl i32 %B.0.reg2mem.0, 30 ; <i32> [#uses=1] + %tmp34 = or i32 %tmp31, %tmp33 ; <i32> [#uses=1] + %tmp38 = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=2] + %tmp41 = icmp slt i32 %tmp38, 80 ; <i1> [#uses=1] + br i1 %tmp41, label %bb, label %return + +return: ; preds = %bb39 + ret void +}
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