diff options
Diffstat (limited to 'test/Transforms/Mem2Reg/2003-04-18-DeadBlockProblem.ll')
| -rw-r--r-- | test/Transforms/Mem2Reg/2003-04-18-DeadBlockProblem.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/Mem2Reg/2003-04-18-DeadBlockProblem.ll b/test/Transforms/Mem2Reg/2003-04-18-DeadBlockProblem.ll new file mode 100644 index 0000000..36bd9e6 --- /dev/null +++ b/test/Transforms/Mem2Reg/2003-04-18-DeadBlockProblem.ll @@ -0,0 +1,16 @@ +; This testcases makes sure that mem2reg can handle unreachable blocks. +; RUN: opt < %s -mem2reg + +define i32 @test() { + %X = alloca i32 ; <i32*> [#uses=2] + store i32 6, i32* %X + br label %Loop +Loop: ; preds = %EndOfLoop, %0 + store i32 5, i32* %X + br label %EndOfLoop +Unreachable: ; No predecessors! + br label %EndOfLoop +EndOfLoop: ; preds = %Unreachable, %Loop + br label %Loop +} + |