Move thumb and thumb2 tests into separate directories.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74068 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/Thumb/thumb-imm.ll

@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=thumb | not grep CPI
+
+
+define i32 @test1() {
+  ret i32 1000
+}
+
+define i32 @test2() {
+  ret i32 -256
+}