My original test case was bogus. Reverting to crasher case.

llvm-svn: 28767

llvm/test/Regression/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll

@@ -1,50 +1,37 @@
 ; RUN: llvm-as < %s | llc -fast
 
-uint %test1(uint %tmp1) {
-  %tmp2 = or uint %tmp1, 2147483648
-  %tmp3 = shr uint %tmp2, ubyte 31
-  %tmp4 = and uint %tmp3, 2147483648
-  %tmp5 = seteq uint %tmp4, 0
-  br bool %tmp5, label %cond_true, label %cond_false
-  
-cond_true:
-  ret uint %tmp1
-  
-cond_false:
+	%struct.cl_perfunc_opts = type { ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, int, int, int, int, int, int, int }
+%cl_pf_opts = external global %struct.cl_perfunc_opts		; <%struct.cl_perfunc_opts*> [#uses=2]
 
-  ret uint %tmp2
-}
-
-
-uint %test2(uint %tmp1) {
-  %tmp2 = or uint %tmp1, 2147483648
-  %tmp3 = cast uint %tmp2 to int
-  %tmp4 = shr int %tmp3, ubyte 31
-  %tmp5 = cast int %tmp4 to uint
-  %tmp6 = and uint %tmp5, 2147483648
-  %tmp7 = seteq uint %tmp6, 0
-  br bool %tmp7, label %cond_true, label %cond_false
-  
-cond_true:
-  ret uint %tmp1
-  
-cond_false:
-
-  ret uint %tmp2
-}
-
-
-uint %test3(uint %tmp1) {
-  %tmp2 = or uint %tmp1, 1
-  %tmp3 = shl uint %tmp2, ubyte 31
-  %tmp4 = and uint %tmp3, 1
-  %tmp5 = seteq uint %tmp4, 0
-  br bool %tmp5, label %cond_true, label %cond_false
-  
-cond_true:
-  ret uint %tmp1
-  
-cond_false:
-
-  ret uint %tmp2
+implementation   ; Functions:
+
+void %set_flags_from_O() {
+entry:
+	%tmp22 = setgt int 0, 0		; <bool> [#uses=1]
+	br bool %tmp22, label %cond_true23, label %cond_next159
+
+cond_true23:		; preds = %entry
+	%tmp138 = getelementptr %struct.cl_perfunc_opts* %cl_pf_opts, int 0, uint 8		; <ubyte*> [#uses=1]
+	%tmp138 = cast ubyte* %tmp138 to uint*		; <uint*> [#uses=2]
+	%tmp139 = load uint* %tmp138		; <uint> [#uses=1]
+	%tmp140 = shl uint 1, ubyte 27		; <uint> [#uses=1]
+	%tmp141 = and uint %tmp140, 134217728		; <uint> [#uses=1]
+	%tmp142 = and uint %tmp139, 4160749567		; <uint> [#uses=1]
+	%tmp143 = or uint %tmp142, %tmp141		; <uint> [#uses=1]
+	store uint %tmp143, uint* %tmp138
+	%tmp144 = getelementptr %struct.cl_perfunc_opts* %cl_pf_opts, int 0, uint 8		; <ubyte*> [#uses=1]
+	%tmp144 = cast ubyte* %tmp144 to uint*		; <uint*> [#uses=1]
+	%tmp145 = load uint* %tmp144		; <uint> [#uses=1]
+	%tmp146 = shl uint %tmp145, ubyte 22		; <uint> [#uses=1]
+	%tmp147 = shr uint %tmp146, ubyte 31		; <uint> [#uses=1]
+	%tmp147 = cast uint %tmp147 to ubyte		; <ubyte> [#uses=1]
+	%tmp148 = seteq ubyte %tmp147, 0		; <bool> [#uses=1]
+	br bool %tmp148, label %cond_true149, label %cond_next159
+
+cond_true149:		; preds = %cond_true23
+	%tmp150 = cast ubyte* null to uint*		; <uint*> [#uses=0]
+	ret void
+
+cond_next159:		; preds = %cond_true23, %entry
+	ret void
 }