1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2006-08-07-CycleInDAG.ll b/test/CodeGen/X86/2006-08-07-CycleInDAG.ll
new file mode 100644
index 0000000..c66d553
--- /dev/null
+++ b/test/CodeGen/X86/2006-08-07-CycleInDAG.ll
@@ -0,0 +1,34 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=+sse2
+
+%struct.foo = type opaque
+
+implementation
+
+fastcc int %test(%struct.foo* %v, %struct.foo* %vi) {
+	br bool false, label %ilog2.exit, label %cond_true.i
+
+cond_true.i:		; preds = %entry
+	ret int 0
+
+ilog2.exit:		; preds = %entry
+	%tmp24.i = load int* null		; <int> [#uses=1]
+	%tmp13.i12.i = tail call double %ldexp( double 0.000000e+00, int 0 )		; <double> [#uses=1]
+	%tmp13.i13.i = cast double %tmp13.i12.i to float		; <float> [#uses=1]
+	%tmp11.s = load int* null		; <int> [#uses=1]
+	%tmp11.i = cast int %tmp11.s to uint		; <uint> [#uses=1]
+	%n.i = cast int %tmp24.i to uint		; <uint> [#uses=1]
+	%tmp13.i7 = mul uint %tmp11.i, %n.i		; <uint> [#uses=1]
+	%tmp.i8 = tail call sbyte* %calloc( uint %tmp13.i7, uint 4 )		; <sbyte*> [#uses=0]
+	br bool false, label %bb224.preheader.i, label %bb.i
+
+bb.i:		; preds = %ilog2.exit
+	ret int 0
+
+bb224.preheader.i:		; preds = %ilog2.exit
+	%tmp165.i = cast float %tmp13.i13.i to double		; <double> [#uses=0]
+	ret int 0
+}
+
+declare sbyte* %calloc(uint, uint)
+
+declare double %ldexp(double, int)