Initial support for some Thumb2 instructions.
Patch by Viktor Kutuzov and Anton Korzh from Access Softek, Inc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73622 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/thumb2-shifter.ll b/test/CodeGen/ARM/thumb2-shifter.ll
new file mode 100644
index 0000000..f9ec506
--- /dev/null
+++ b/test/CodeGen/ARM/thumb2-shifter.ll
@@ -0,0 +1,40 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsl
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep asr
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ror
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov
+
+define i32 @t2ADDrs_lsl(i32 %X, i32 %Y) {
+ %A = shl i32 %Y, 16
+ %B = add i32 %X, %A
+ ret i32 %B
+}
+
+define i32 @t2ADDrs_lsr(i32 %X, i32 %Y) {
+ %A = lshr i32 %Y, 16
+ %B = add i32 %X, %A
+ ret i32 %B
+}
+
+define i32 @t2ADDrs_asr(i32 %X, i32 %Y) {
+ %A = ashr i32 %Y, 16
+ %B = add i32 %X, %A
+ ret i32 %B
+}
+
+; i32 ror(n) = (x >> n) | (x << (32 - n))
+define i32 @t2ADDrs_ror(i32 %X, i32 %Y) {
+ %A = lshr i32 %Y, 16
+ %B = shl i32 %Y, 16
+ %C = or i32 %B, %A
+ %R = add i32 %X, %C
+ ret i32 %R
+}
+
+define i32 @t2ADDrs_noRegShift(i32 %X, i32 %Y, i8 %sh) {
+ %shift.upgrd.1 = zext i8 %sh to i32
+ %A = shl i32 %Y, %shift.upgrd.1
+ %B = add i32 %X, %A
+ ret i32 %B
+}
+