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Diffstat (limited to 'test/CodeGen/ARM/2009-05-11-CodePlacementCrash.ll')
| -rw-r--r-- | test/CodeGen/ARM/2009-05-11-CodePlacementCrash.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2009-05-11-CodePlacementCrash.ll b/test/CodeGen/ARM/2009-05-11-CodePlacementCrash.ll new file mode 100644 index 0000000..7046fcc --- /dev/null +++ b/test/CodeGen/ARM/2009-05-11-CodePlacementCrash.ll @@ -0,0 +1,30 @@ +; RUN: llc < %s -march=arm + %struct.List = type { %struct.List*, i32 } +@Node5 = external constant %struct.List ; <%struct.List*> [#uses=1] +@"\01LC" = external constant [7 x i8] ; <[7 x i8]*> [#uses=1] + +define i32 @main() nounwind { +entry: + br label %bb + +bb: ; preds = %bb3, %entry + %CurL.02 = phi %struct.List* [ @Node5, %entry ], [ %2, %bb3 ] ; <%struct.List*> [#uses=1] + %PrevL.01 = phi %struct.List* [ null, %entry ], [ %CurL.02, %bb3 ] ; <%struct.List*> [#uses=1] + %0 = icmp eq %struct.List* %PrevL.01, null ; <i1> [#uses=1] + br i1 %0, label %bb3, label %bb1 + +bb1: ; preds = %bb + br label %bb3 + +bb3: ; preds = %bb1, %bb + %iftmp.0.0 = phi i32 [ 0, %bb1 ], [ -1, %bb ] ; <i32> [#uses=1] + %1 = tail call i32 (i8*, ...)* @printf(i8* getelementptr ([7 x i8]* @"\01LC", i32 0, i32 0), i32 0, i32 %iftmp.0.0) nounwind ; <i32> [#uses=0] + %2 = load %struct.List** null, align 4 ; <%struct.List*> [#uses=2] + %phitmp = icmp eq %struct.List* %2, null ; <i1> [#uses=1] + br i1 %phitmp, label %bb5, label %bb + +bb5: ; preds = %bb3 + ret i32 0 +} + +declare i32 @printf(i8* nocapture, ...) nounwind |