[llvm-commits] CVS: llvm/test/Regression/CodeGen/Generic/2006-09-06-SwitchLowering.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/CodeGen/Generic:

2006-09-06-SwitchLowering.ll added (r1.1)
---
Log message:

New testcase for a switch lowering bug.


---
Diffs of the changes:  (+96 -0)

 2006-09-06-SwitchLowering.ll |   96 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 96 insertions(+)


Index: llvm/test/Regression/CodeGen/Generic/2006-09-06-SwitchLowering.ll
diff -c /dev/null llvm/test/Regression/CodeGen/Generic/2006-09-06-SwitchLowering.ll:1.1
*** /dev/null	Wed Sep  6 20:59:15 2006
--- llvm/test/Regression/CodeGen/Generic/2006-09-06-SwitchLowering.ll	Wed Sep  6 20:59:05 2006
***************
*** 0 ****
--- 1,96 ----
+ ; RUN: llvm-as < %s | llc
+ 
+ void %foo() {
+ 	br label %cond_true813.i
+ 
+ cond_true813.i:		; preds = %0
+ 	br bool false, label %cond_true818.i, label %cond_next1146.i
+ 
+ cond_true818.i:		; preds = %cond_true813.i
+ 	br bool false, label %recog_memoized.exit52, label %cond_next1146.i
+ 
+ recog_memoized.exit52:		; preds = %cond_true818.i
+ 	switch int 0, label %bb886.i.preheader [
+ 		 int 0, label %bb907.i
+ 		 int 44, label %bb866.i
+ 		 int 103, label %bb874.i
+ 		 int 114, label %bb874.i
+ 	]
+ 
+ bb857.i:		; preds = %bb886.i, %bb866.i
+ 	%tmp862.i494.24 = phi sbyte* [ null, %bb866.i ], [ %tmp862.i494.26, %bb886.i ]		; <sbyte*> [#uses=4]
+ 	switch int 0, label %bb886.i.preheader [
+ 		 int 0, label %bb907.i
+ 		 int 44, label %bb866.i
+ 		 int 103, label %bb874.i
+ 		 int 114, label %bb874.i
+ 	]
+ 
+ bb866.i.loopexit:		; preds = %bb874.i
+ 	br label %bb866.i
+ 
+ bb866.i.loopexit31:		; preds = %cond_true903.i
+ 	br label %bb866.i
+ 
+ bb866.i:		; preds = %bb866.i.loopexit31, %bb866.i.loopexit, %bb857.i, %recog_memoized.exit52
+ 	br bool false, label %bb907.i, label %bb857.i
+ 
+ bb874.i.preheader.loopexit:		; preds = %cond_true903.i, %cond_true903.i
+ 	ret void
+ 
+ bb874.i:		; preds = %bb857.i, %bb857.i, %recog_memoized.exit52, %recog_memoized.exit52
+ 	%tmp862.i494.25 = phi sbyte* [ %tmp862.i494.24, %bb857.i ], [ %tmp862.i494.24, %bb857.i ], [ undef, %recog_memoized.exit52 ], [ undef, %recog_memoized.exit52 ]		; <sbyte*> [#uses=1]
+ 	switch int 0, label %bb886.i.preheader.loopexit [
+ 		 int 0, label %bb907.i
+ 		 int 44, label %bb866.i.loopexit
+ 		 int 103, label %bb874.i.backedge
+ 		 int 114, label %bb874.i.backedge
+ 	]
+ 
+ bb874.i.backedge:		; preds = %bb874.i, %bb874.i
+ 	ret void
+ 
+ bb886.i.preheader.loopexit:		; preds = %bb874.i
+ 	ret void
+ 
+ bb886.i.preheader:		; preds = %bb857.i, %recog_memoized.exit52
+ 	%tmp862.i494.26 = phi sbyte* [ undef, %recog_memoized.exit52 ], [ %tmp862.i494.24, %bb857.i ]		; <sbyte*> [#uses=1]
+ 	br label %bb886.i
+ 
+ bb886.i:		; preds = %cond_true903.i, %bb886.i.preheader
+ 	br bool false, label %bb857.i, label %cond_true903.i
+ 
+ cond_true903.i:		; preds = %bb886.i
+ 	switch int 0, label %bb886.i [
+ 		 int 0, label %bb907.i
+ 		 int 44, label %bb866.i.loopexit31
+ 		 int 103, label %bb874.i.preheader.loopexit
+ 		 int 114, label %bb874.i.preheader.loopexit
+ 	]
+ 
+ bb907.i:		; preds = %cond_true903.i, %bb874.i, %bb866.i, %bb857.i, %recog_memoized.exit52
+ 	%tmp862.i494.0 = phi sbyte* [ %tmp862.i494.24, %bb857.i ], [ null, %bb866.i ], [ undef, %recog_memoized.exit52 ], [ %tmp862.i494.25, %bb874.i ], [ null, %cond_true903.i ]		; <sbyte*> [#uses=1]
+ 	br bool false, label %cond_next1146.i, label %cond_true910.i
+ 
+ cond_true910.i:		; preds = %bb907.i
+ 	ret void
+ 
+ cond_next1146.i:		; preds = %bb907.i, %cond_true818.i, %cond_true813.i
+ 	%tmp862.i494.1 = phi sbyte* [ %tmp862.i494.0, %bb907.i ], [ undef, %cond_true818.i ], [ undef, %cond_true813.i ]		; <sbyte*> [#uses=0]
+ 	ret void
+ 
+ bb2060.i:		; No predecessors!
+ 	br bool false, label %cond_true2064.i, label %bb2067.i
+ 
+ cond_true2064.i:		; preds = %bb2060.i
+ 	unreachable
+ 
+ bb2067.i:		; preds = %bb2060.i
+ 	ret void
+ 
+ cond_next3473:		; No predecessors!
+ 	ret void
+ 
+ cond_next3521:		; No predecessors!
+ 	ret void
+ }