Added a test case for a libcall insertion bug.

llvm-svn: 26137

1 files changed, 64 insertions, 0 deletions

diff --git a/llvm/test/Regression/CodeGen/Generic/2006-02-12-InsertLibcall.ll b/llvm/test/Regression/CodeGen/Generic/2006-02-12-InsertLibcall.ll
new file mode 100644
index 00000000000..c8477719b73
--- /dev/null
+++ b/llvm/test/Regression/CodeGen/Generic/2006-02-12-InsertLibcall.ll
@@ -0,0 +1,64 @@
+; RUN: llvm-as < %s | llc
+
+	%typedef.InputParameters = type { int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, [8 x [2 x int]], [8 x [2 x int]], int, int, int, int, [200 x sbyte], [200 x sbyte], [200 x sbyte], [200 x sbyte], [200 x sbyte], int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, [1024 x sbyte], int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, double, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, [200 x sbyte], [200 x sbyte], int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, [200 x sbyte], int, int, int*, int*, ubyte*, int*, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, [8 x int], int, int, int, int, int, int, int, int, int, int, int, [6 x double], [200 x sbyte], int, int, int, int, [2 x [5 x int]], int, int, int, int }
+
+%inputs = external global %typedef.InputParameters		; <%typedef.InputParameters*> [#uses=1]
+
+void %encode_one_frame() {
+entry:
+	%tmp.9 = seteq int 0, 0		; <bool> [#uses=1]
+	br bool %tmp.9, label %endif.0, label %shortcirc_next.0
+
+shortcirc_next.0:		; preds = %entry
+	ret void
+
+endif.0:		; preds = %entry
+	%tmp.324.i = seteq int 0, 0		; <bool> [#uses=2]
+	%tmp.362.i = setlt int 0, 0		; <bool> [#uses=1]
+	br bool %tmp.324.i, label %else.4.i, label %then.11.i37
+
+then.11.i37:		; preds = %endif.0
+	ret void
+
+else.4.i:		; preds = %endif.0
+	br bool %tmp.362.i, label %else.5.i, label %then.12.i
+
+then.12.i:		; preds = %else.4.i
+	ret void
+
+else.5.i:		; preds = %else.4.i
+	br bool %tmp.324.i, label %then.0.i40, label %then.17.i
+
+then.17.i:		; preds = %else.5.i
+	ret void
+
+then.0.i40:		; preds = %else.5.i
+	%tmp.8.i42 = seteq int 0, 0		; <bool> [#uses=1]
+	br bool %tmp.8.i42, label %else.1.i56, label %then.1.i52
+
+then.1.i52:		; preds = %then.0.i40
+	ret void
+
+else.1.i56:		; preds = %then.0.i40
+	%tmp.25.i = cast int 0 to long		; <long> [#uses=1]
+	%tmp.28.i = load int* getelementptr (%typedef.InputParameters* %inputs, int 0, uint 152)		; <int> [#uses=1]
+	%tmp.29.i = seteq int %tmp.28.i, 1		; <bool> [#uses=1]
+	br bool %tmp.29.i, label %shortcirc_next.i, label %shortcirc_done.i
+
+shortcirc_next.i:		; preds = %else.1.i56
+	%tmp.34.i = seteq int 0, 3		; <bool> [#uses=1]
+	br bool %tmp.34.i, label %then.5.i, label %endif.5.i
+
+shortcirc_done.i:		; preds = %else.1.i56
+	ret void
+
+then.5.i:		; preds = %shortcirc_next.i
+	%tmp.114.i = div long %tmp.25.i, 3		; <long> [#uses=1]
+	%tmp.111.i = call long %lseek( int 0, long %tmp.114.i, int 1 )		; <long> [#uses=0]
+	ret void
+
+endif.5.i:		; preds = %shortcirc_next.i
+	ret void
+}
+
+declare long %lseek(int, long, int)