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
+ }
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