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authorShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
committerShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
commite264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch)
tree59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll
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Check in LLVM r95781.
Diffstat (limited to 'test/Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll')
-rw-r--r--test/Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll71
1 files changed, 71 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll b/test/Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll
new file mode 100644
index 0000000..c30bfa1
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll
@@ -0,0 +1,71 @@
+; RUN: opt < %s -simplifycfg -disable-output
+; END.
+
+define void @main() {
+entry:
+ %tmp.14.i19 = icmp eq i32 0, 2 ; <i1> [#uses=1]
+ br i1 %tmp.14.i19, label %endif.1.i20, label %read_min.exit
+endif.1.i20: ; preds = %entry
+ %tmp.9.i.i = icmp eq i8* null, null ; <i1> [#uses=1]
+ br i1 %tmp.9.i.i, label %then.i12.i, label %then.i.i
+then.i.i: ; preds = %endif.1.i20
+ ret void
+then.i12.i: ; preds = %endif.1.i20
+ %tmp.9.i4.i = icmp eq i8* null, null ; <i1> [#uses=1]
+ br i1 %tmp.9.i4.i, label %endif.2.i33, label %then.i5.i
+then.i5.i: ; preds = %then.i12.i
+ ret void
+endif.2.i33: ; preds = %then.i12.i
+ br i1 false, label %loopexit.0.i40, label %no_exit.0.i35
+no_exit.0.i35: ; preds = %no_exit.0.i35, %endif.2.i33
+ %tmp.130.i = icmp slt i32 0, 0 ; <i1> [#uses=1]
+ br i1 %tmp.130.i, label %loopexit.0.i40.loopexit, label %no_exit.0.i35
+loopexit.0.i40.loopexit: ; preds = %no_exit.0.i35
+ br label %loopexit.0.i40
+loopexit.0.i40: ; preds = %loopexit.0.i40.loopexit, %endif.2.i33
+ %tmp.341.i = icmp eq i32 0, 0 ; <i1> [#uses=1]
+ br i1 %tmp.341.i, label %loopentry.1.i, label %read_min.exit
+loopentry.1.i: ; preds = %loopexit.0.i40
+ %tmp.347.i = icmp sgt i32 0, 0 ; <i1> [#uses=1]
+ br i1 %tmp.347.i, label %no_exit.1.i41, label %loopexit.2.i44
+no_exit.1.i41: ; preds = %endif.5.i, %loopentry.1.i
+ %indvar.i42 = phi i32 [ %indvar.next.i, %endif.5.i ], [ 0, %loopentry.1.i ] ; <i32> [#uses=1]
+ %tmp.355.i = icmp eq i32 0, 3 ; <i1> [#uses=1]
+ br i1 %tmp.355.i, label %endif.5.i, label %read_min.exit
+endif.5.i: ; preds = %no_exit.1.i41
+ %tmp.34773.i = icmp sgt i32 0, 0 ; <i1> [#uses=1]
+ %indvar.next.i = add i32 %indvar.i42, 1 ; <i32> [#uses=1]
+ br i1 %tmp.34773.i, label %no_exit.1.i41, label %loopexit.1.i.loopexit
+loopexit.1.i.loopexit: ; preds = %endif.5.i
+ ret void
+loopexit.2.i44: ; preds = %loopentry.1.i
+ ret void
+read_min.exit: ; preds = %no_exit.1.i41, %loopexit.0.i40, %entry
+ %tmp.23 = icmp eq i32 0, 0 ; <i1> [#uses=1]
+ br i1 %tmp.23, label %endif.1, label %then.1
+then.1: ; preds = %read_min.exit
+ br i1 false, label %endif.0.i, label %then.0.i
+then.0.i: ; preds = %then.1
+ br i1 false, label %endif.1.i, label %then.1.i
+endif.0.i: ; preds = %then.1
+ br i1 false, label %endif.1.i, label %then.1.i
+then.1.i: ; preds = %endif.0.i, %then.0.i
+ br i1 false, label %getfree.exit, label %then.2.i
+endif.1.i: ; preds = %endif.0.i, %then.0.i
+ br i1 false, label %getfree.exit, label %then.2.i
+then.2.i: ; preds = %endif.1.i, %then.1.i
+ ret void
+getfree.exit: ; preds = %endif.1.i, %then.1.i
+ ret void
+endif.1: ; preds = %read_min.exit
+ %tmp.27.i = getelementptr i32* null, i32 0 ; <i32*> [#uses=0]
+ br i1 false, label %loopexit.0.i15, label %no_exit.0.i14
+no_exit.0.i14: ; preds = %endif.1
+ ret void
+loopexit.0.i15: ; preds = %endif.1
+ br i1 false, label %primal_start_artificial.exit, label %no_exit.1.i16
+no_exit.1.i16: ; preds = %no_exit.1.i16, %loopexit.0.i15
+ br i1 false, label %primal_start_artificial.exit, label %no_exit.1.i16
+primal_start_artificial.exit: ; preds = %no_exit.1.i16, %loopexit.0.i15
+ ret void
+}