From bfd4dab888e5261ccd66cfe59af952499984433f Mon Sep 17 00:00:00 2001 From: Owen Anderson Date: Sun, 9 Jul 2006 08:17:30 +0000 Subject: [PATCH 1/1] Add a test for the LCSSA issue I just fixed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29077 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../LCSSA/2006-07-09-NoDominator.ll | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 test/Transforms/LCSSA/2006-07-09-NoDominator.ll diff --git a/test/Transforms/LCSSA/2006-07-09-NoDominator.ll b/test/Transforms/LCSSA/2006-07-09-NoDominator.ll new file mode 100644 index 00000000000..54211390ee3 --- /dev/null +++ b/test/Transforms/LCSSA/2006-07-09-NoDominator.ll @@ -0,0 +1,31 @@ +; RUN: llvm-as < %s | opt -lcssa + + %struct.SetJmpMapEntry = type { sbyte*, uint, %struct.SetJmpMapEntry* } + +implementation ; Functions: + +void %__llvm_sjljeh_try_catching_longjmp_exception() { +entry: + br label %loopentry + +loopentry: ; preds = %endif, %entry + %SJE.0 = phi %struct.SetJmpMapEntry* [ null, %entry ], [ %tmp.25, %endif ] ; <%struct.SetJmpMapEntry*> [#uses=1] + br bool false, label %no_exit, label %loopexit + +no_exit: ; preds = %loopentry + br bool false, label %then, label %endif + +then: ; preds = %no_exit + %tmp.21 = getelementptr %struct.SetJmpMapEntry* %SJE.0, int 0, uint 1 ; [#uses=0] + br label %return + +endif: ; preds = %after_ret.0, %no_exit + %tmp.25 = load %struct.SetJmpMapEntry** null ; <%struct.SetJmpMapEntry*> [#uses=1] + br label %loopentry + +loopexit: ; preds = %loopentry + br label %return + +return: ; preds = %after_ret.1, %loopexit, %then + ret void +} -- 2.34.1