Enhance tests to include shifted-register operand testing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74490 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 27 insertions, 6 deletions

diff --git a/test/CodeGen/Thumb2/thumb2-rsb.ll b/test/CodeGen/Thumb2/thumb2-rsb.ll
index 934e377..5779687 100644
--- a/test/CodeGen/Thumb2/thumb2-rsb.ll
+++ b/test/CodeGen/Thumb2/thumb2-rsb.ll
@@ -1,9 +1,30 @@
-; XFAIL: *
-; this will match as "sub" until we get register shifting
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {rsb\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*lsl\\W*#5$} | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {rsb\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*lsr\\W*#6$} | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {rsb\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*asr\\W*#7$} | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {rsb\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*ror\\W*#8$} | count 1
 
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {rsb\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\]*} | count 1
+define i32 @f2(i32 %a, i32 %b) {
+    %tmp = shl i32 %b, 5
+    %tmp1 = sub i32 %tmp, %a
+    ret i32 %tmp1
+}
+
+define i32 @f3(i32 %a, i32 %b) {
+    %tmp = lshr i32 %b, 6
+    %tmp1 = sub i32 %tmp, %a
+    ret i32 %tmp1
+}
+
+define i32 @f4(i32 %a, i32 %b) {
+    %tmp = ashr i32 %b, 7
+    %tmp1 = sub i32 %tmp, %a
+    ret i32 %tmp1
+}
 
-define i32 @f1(i32 %a, i32 %b) {
-    %tmp = sub i32 %b, %a
-    ret i32 %tmp
+define i32 @f5(i32 %a, i32 %b) {
+    %l8 = shl i32 %a, 24
+    %r8 = lshr i32 %a, 8
+    %tmp = or i32 %l8, %r8
+    %tmp1 = sub i32 %tmp, %a
+    ret i32 %tmp1
 }