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Diffstat (limited to 'test/Transforms/CondProp/2009-01-25-SingleEntryPHI.ll')
| -rw-r--r-- | test/Transforms/CondProp/2009-01-25-SingleEntryPHI.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/Transforms/CondProp/2009-01-25-SingleEntryPHI.ll b/test/Transforms/CondProp/2009-01-25-SingleEntryPHI.ll new file mode 100644 index 000000000000..d14ce38f3df2 --- /dev/null +++ b/test/Transforms/CondProp/2009-01-25-SingleEntryPHI.ll @@ -0,0 +1,37 @@ +; RUN: llvm-as < %s | opt -condprop | llvm-dis +; PR3405 +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" +target triple = "x86_64-unknown-linux-gnu" + +define i32 @main(i32 %argc, i8** %argv) nounwind { +entry: + br label %bb2 + +bb2: ; preds = %bb.bb2_crit_edge, %entry + br i1 false, label %bb5.thread2, label %bb + +bb: ; preds = %bb2 + br i1 false, label %bb3, label %bb.bb2_crit_edge + +bb.bb2_crit_edge: ; preds = %bb + br label %bb2 + +bb3: ; preds = %bb + %.lcssa4 = phi i1 [ false, %bb ] ; <i1> [#uses=1] + br i1 %.lcssa4, label %bb5.thread, label %bb6 + +bb5.thread: ; preds = %bb3 + br label %bb7 + +bb7: ; preds = %bb5.thread2, %bb5.thread + br label %UnifiedReturnBlock + +bb6: ; preds = %bb3 + br label %UnifiedReturnBlock + +bb5.thread2: ; preds = %bb2 + br label %bb7 + +UnifiedReturnBlock: ; preds = %bb6, %bb7 + ret i32 0 +} |