Add thumb2 sign / zero extend with rotate instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74755 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Thumb2/thumb2-uxtb.ll b/test/CodeGen/Thumb2/thumb2-uxtb.ll
new file mode 100644
index 0000000..28a5fe4
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-uxtb.ll
@@ -0,0 +1,74 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
+; RUN: grep uxt | count 10
+
+define i32 @test1(i32 %x) {
+ %tmp1 = and i32 %x, 16711935 ; <i32> [#uses=1]
+ ret i32 %tmp1
+}
+
+define i32 @test2(i32 %x) {
+ %tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1]
+ %tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1]
+ ret i32 %tmp2
+}
+
+define i32 @test3(i32 %x) {
+ %tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1]
+ %tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1]
+ ret i32 %tmp2
+}
+
+define i32 @test4(i32 %x) {
+ %tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1]
+ %tmp6 = and i32 %tmp1, 16711935 ; <i32> [#uses=1]
+ ret i32 %tmp6
+}
+
+define i32 @test5(i32 %x) {
+ %tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1]
+ %tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1]
+ ret i32 %tmp2
+}
+
+define i32 @test6(i32 %x) {
+ %tmp1 = lshr i32 %x, 16 ; <i32> [#uses=1]
+ %tmp2 = and i32 %tmp1, 255 ; <i32> [#uses=1]
+ %tmp4 = shl i32 %x, 16 ; <i32> [#uses=1]
+ %tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1]
+ %tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1]
+ ret i32 %tmp6
+}
+
+define i32 @test7(i32 %x) {
+ %tmp1 = lshr i32 %x, 16 ; <i32> [#uses=1]
+ %tmp2 = and i32 %tmp1, 255 ; <i32> [#uses=1]
+ %tmp4 = shl i32 %x, 16 ; <i32> [#uses=1]
+ %tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1]
+ %tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1]
+ ret i32 %tmp6
+}
+
+define i32 @test8(i32 %x) {
+ %tmp1 = shl i32 %x, 8 ; <i32> [#uses=1]
+ %tmp2 = and i32 %tmp1, 16711680 ; <i32> [#uses=1]
+ %tmp5 = lshr i32 %x, 24 ; <i32> [#uses=1]
+ %tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1]
+ ret i32 %tmp6
+}
+
+define i32 @test9(i32 %x) {
+ %tmp1 = lshr i32 %x, 24 ; <i32> [#uses=1]
+ %tmp4 = shl i32 %x, 8 ; <i32> [#uses=1]
+ %tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1]
+ %tmp6 = or i32 %tmp5, %tmp1 ; <i32> [#uses=1]
+ ret i32 %tmp6
+}
+
+define i32 @test10(i32 %p0) {
+ %tmp1 = lshr i32 %p0, 7 ; <i32> [#uses=1]
+ %tmp2 = and i32 %tmp1, 16253176 ; <i32> [#uses=2]
+ %tmp4 = lshr i32 %tmp2, 5 ; <i32> [#uses=1]
+ %tmp5 = and i32 %tmp4, 458759 ; <i32> [#uses=1]
+ %tmp7 = or i32 %tmp5, %tmp2 ; <i32> [#uses=1]
+ ret i32 %tmp7
+}