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| author | Devang Patel <dpatel@apple.com> | 2007-10-05 22:29:34 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2007-10-05 22:29:34 +0000 |
| commit | 5c4cd0d82e22a50e95a1acffa3364e4f7658ab32 (patch) | |
| tree | 1fe70934bd152b13e9f4872240293622cec868c7 /test/Transforms/LoopUnswitch | |
| parent | b75ed322c4d5fd3ca5ac2fb0cdcedb4413eb8cce (diff) | |
| download | external_llvm-5c4cd0d82e22a50e95a1acffa3364e4f7658ab32.zip external_llvm-5c4cd0d82e22a50e95a1acffa3364e4f7658ab32.tar.gz external_llvm-5c4cd0d82e22a50e95a1acffa3364e4f7658ab32.tar.bz2 | |
Fix bug in updating dominance frontier after loop
unswitch when frontier includes basic blocks that
are not inside loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42654 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LoopUnswitch')
| -rw-r--r-- | test/Transforms/LoopUnswitch/2007-10-04-DomFrontier.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnswitch/2007-10-04-DomFrontier.ll b/test/Transforms/LoopUnswitch/2007-10-04-DomFrontier.ll new file mode 100644 index 0000000..b236edc --- /dev/null +++ b/test/Transforms/LoopUnswitch/2007-10-04-DomFrontier.ll @@ -0,0 +1,29 @@ +; RUN: llvm-as < %s | opt -licm -loop-unroll -disable-output + +@resonant = external global i32 ; <i32*> [#uses=2] + +define void @weightadj() { +entry: + br label %bb + +bb: ; preds = %bb158, %entry + store i32 0, i32* @resonant, align 4 + br i1 false, label %g.exit, label %bb158 + +g.exit: ; preds = %bb68, %bb + br i1 false, label %bb68, label %cond_true + +cond_true: ; preds = %g.exit + store i32 1, i32* @resonant, align 4 + br label %bb68 + +bb68: ; preds = %cond_true, %g.exit + %tmp71 = icmp slt i32 0, 0 ; <i1> [#uses=1] + br i1 %tmp71, label %g.exit, label %bb158 + +bb158: ; preds = %bb68, %bb + br i1 false, label %bb, label %return + +return: ; preds = %bb158 + ret void +} |