Add thumb2 sign / zero extend with rotate instructions.

llvm-svn: 74755

1 files changed, 74 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Thumb2/thumb2-uxtb.ll b/llvm/test/CodeGen/Thumb2/thumb2-uxtb.ll
new file mode 100644
index 00000000000..28a5fe4d2ee
--- /dev/null
+++ b/llvm/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
+}