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| author | Devang Patel <dpatel@apple.com> | 2008-09-17 18:21:49 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2008-09-17 18:21:49 +0000 |
| commit | 48fbc2d39b6efbd8d2d02e830cc91ab6e49b8dde (patch) | |
| tree | 9991042d24398da2803793872bc2ea61fd2d97c8 /test | |
| parent | 00622952ce10e762a48f281f970cbfe73cf55ea8 (diff) | |
| download | llvm-48fbc2d39b6efbd8d2d02e830cc91ab6e49b8dde.tar.gz llvm-48fbc2d39b6efbd8d2d02e830cc91ab6e49b8dde.tar.bz2 llvm-48fbc2d39b6efbd8d2d02e830cc91ab6e49b8dde.tar.xz | |
Do not hoist instruction above branch condition. The instruction may use branch condition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56286 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/SimplifyCFG/2008-09-17-SpeculativeHoist.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/2008-09-17-SpeculativeHoist.ll b/test/Transforms/SimplifyCFG/2008-09-17-SpeculativeHoist.ll new file mode 100644 index 0000000000..b2d671da67 --- /dev/null +++ b/test/Transforms/SimplifyCFG/2008-09-17-SpeculativeHoist.ll @@ -0,0 +1,18 @@ +; RUN: llvm-as < %s | opt -simplifycfg -disable-output +; PR 2800 + +define void @foo() { +start: + %tmp = call i1 @bar( ) ; <i1> [#uses=4] + br i1 %tmp, label %brtrue, label %brfalse + +brtrue: ; preds = %start + %tmpnew = and i1 %tmp, %tmp ; <i1> [#uses=1] + br label %brfalse + +brfalse: ; preds = %brtrue, %start + %andandtmp.0 = phi i1 [ %tmp, %start ], [ %tmpnew, %brtrue ] ; <i1> [#uses=0] + ret void +} + +declare i1 @bar() |