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| author | Ed Schouten <ed@FreeBSD.org> | 2009-06-02 17:52:33 +0000 |
|---|---|---|
| committer | Ed Schouten <ed@FreeBSD.org> | 2009-06-02 17:52:33 +0000 |
| commit | 009b1c42aa6266385f2c37e227516b24077e6dd7 (patch) | |
| tree | 64ba909838c23261cace781ece27d106134ea451 /test/Transforms/Mem2Reg/2005-11-28-Crash.ll | |
| download | src-test2-009b1c42aa6266385f2c37e227516b24077e6dd7.tar.gz src-test2-009b1c42aa6266385f2c37e227516b24077e6dd7.zip | |
Notes
Diffstat (limited to 'test/Transforms/Mem2Reg/2005-11-28-Crash.ll')
| -rw-r--r-- | test/Transforms/Mem2Reg/2005-11-28-Crash.ll | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/test/Transforms/Mem2Reg/2005-11-28-Crash.ll b/test/Transforms/Mem2Reg/2005-11-28-Crash.ll new file mode 100644 index 000000000000..a985db3eb8c7 --- /dev/null +++ b/test/Transforms/Mem2Reg/2005-11-28-Crash.ll @@ -0,0 +1,62 @@ +; RUN: llvm-as < %s | opt -mem2reg -disable-output +; PR670 + +define void @printk(i32, ...) { +entry: + %flags = alloca i32 ; <i32*> [#uses=2] + br i1 false, label %then.0, label %endif.0 +then.0: ; preds = %entry + br label %endif.0 +endif.0: ; preds = %then.0, %entry + store i32 0, i32* %flags + br label %loopentry +loopentry: ; preds = %endif.3, %endif.0 + br i1 false, label %no_exit, label %loopexit +no_exit: ; preds = %loopentry + br i1 false, label %then.1, label %endif.1 +then.1: ; preds = %no_exit + br i1 false, label %shortcirc_done.0, label %shortcirc_next.0 +shortcirc_next.0: ; preds = %then.1 + br label %shortcirc_done.0 +shortcirc_done.0: ; preds = %shortcirc_next.0, %then.1 + br i1 false, label %shortcirc_done.1, label %shortcirc_next.1 +shortcirc_next.1: ; preds = %shortcirc_done.0 + br label %shortcirc_done.1 +shortcirc_done.1: ; preds = %shortcirc_next.1, %shortcirc_done.0 + br i1 false, label %shortcirc_done.2, label %shortcirc_next.2 +shortcirc_next.2: ; preds = %shortcirc_done.1 + br label %shortcirc_done.2 +shortcirc_done.2: ; preds = %shortcirc_next.2, %shortcirc_done.1 + br i1 false, label %then.2, label %endif.2 +then.2: ; preds = %shortcirc_done.2 + br label %endif.2 +endif.2: ; preds = %then.2, %shortcirc_done.2 + br label %endif.1 +endif.1: ; preds = %endif.2, %no_exit + br i1 false, label %then.3, label %endif.3 +then.3: ; preds = %endif.1 + br label %endif.3 +endif.3: ; preds = %then.3, %endif.1 + br label %loopentry +loopexit: ; preds = %loopentry + br label %endif.4 +then.4: ; No predecessors! + %tmp.61 = load i32* %flags ; <i32> [#uses=0] + br label %out +dead_block_after_goto: ; No predecessors! + br label %endif.4 +endif.4: ; preds = %dead_block_after_goto, %loopexit + br i1 false, label %then.5, label %else +then.5: ; preds = %endif.4 + br label %endif.5 +else: ; preds = %endif.4 + br label %endif.5 +endif.5: ; preds = %else, %then.5 + br label %out +out: ; preds = %endif.5, %then.4 + br label %return +after_ret: ; No predecessors! + br label %return +return: ; preds = %after_ret, %out + ret void +} |