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Diffstat (limited to 'test/Transforms/SCCP/2003-06-24-OverdefinedPHIValue.ll')
| -rw-r--r-- | test/Transforms/SCCP/2003-06-24-OverdefinedPHIValue.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/Transforms/SCCP/2003-06-24-OverdefinedPHIValue.ll b/test/Transforms/SCCP/2003-06-24-OverdefinedPHIValue.ll new file mode 100644 index 0000000..576f5d6 --- /dev/null +++ b/test/Transforms/SCCP/2003-06-24-OverdefinedPHIValue.ll @@ -0,0 +1,30 @@ +; RUN: opt < %s -sccp -simplifycfg -S | \ +; RUN: not grep then: + +define void @cprop_test11(i32* %data.1) { +entry: + %tmp.1 = load i32* %data.1 ; <i32> [#uses=3] + %tmp.41 = icmp sgt i32 %tmp.1, 1 ; <i1> [#uses=1] + br i1 %tmp.41, label %no_exit, label %loopexit +no_exit: ; preds = %endif, %then, %entry + %j.0 = phi i32 [ %j.0, %endif ], [ %i.0, %then ], [ 1, %entry ] ; <i32> [#uses=3] + %i.0 = phi i32 [ %inc, %endif ], [ %inc1, %then ], [ 1, %entry ] ; <i32> [#uses=4] + %tmp.8.not = icmp ne i32 %j.0, 0 ; <i1> [#uses=1] + br i1 %tmp.8.not, label %endif, label %then +then: ; preds = %no_exit + %inc1 = add i32 %i.0, 1 ; <i32> [#uses=3] + %tmp.42 = icmp slt i32 %inc1, %tmp.1 ; <i1> [#uses=1] + br i1 %tmp.42, label %no_exit, label %loopexit +endif: ; preds = %no_exit + %inc = add i32 %i.0, 1 ; <i32> [#uses=3] + %tmp.4 = icmp slt i32 %inc, %tmp.1 ; <i1> [#uses=1] + br i1 %tmp.4, label %no_exit, label %loopexit +loopexit: ; preds = %endif, %then, %entry + %j.1 = phi i32 [ 1, %entry ], [ %j.0, %endif ], [ %i.0, %then ] ; <i32> [#uses=1] + %i.1 = phi i32 [ 1, %entry ], [ %inc, %endif ], [ %inc1, %then ] ; <i32> [#uses=1] + %tmp.17 = getelementptr i32* %data.1, i64 1 ; <i32*> [#uses=1] + store i32 %j.1, i32* %tmp.17 + %tmp.23 = getelementptr i32* %data.1, i64 2 ; <i32*> [#uses=1] + store i32 %i.1, i32* %tmp.23 + ret void +} |