Add SwiftShader dump from Feb 6 2013

src/LLVM/test/CodeGen/Thumb2/thumb2-bfc.ll

diff --git a/src/LLVM/test/CodeGen/Thumb2/thumb2-bfc.ll b/src/LLVM/test/CodeGen/Thumb2/thumb2-bfc.ll
new file mode 100644
index 0000000..b486045
--- /dev/null
+++ b/src/LLVM/test/CodeGen/Thumb2/thumb2-bfc.ll
@@ -0,0 +1,32 @@
+; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+
+; 4278190095 = 0xff00000f
+define i32 @f1(i32 %a) {
+; CHECK: f1:
+; CHECK: bfc r
+    %tmp = and i32 %a, 4278190095
+    ret i32 %tmp
+}
+
+; 4286578688 = 0xff800000
+define i32 @f2(i32 %a) {
+; CHECK: f2:
+; CHECK: bfc r
+    %tmp = and i32 %a, 4286578688
+    ret i32 %tmp
+}
+
+; 4095 = 0x00000fff
+define i32 @f3(i32 %a) {
+; CHECK: f3:
+; CHECK: bfc r
+    %tmp = and i32 %a, 4095
+    ret i32 %tmp
+}
+
+; 2147483646 = 0x7ffffffe   not implementable w/ BFC
+define i32 @f4(i32 %a) {
+; CHECK: f4:
+    %tmp = and i32 %a, 2147483646
+    ret i32 %tmp
+}