Import LLVM 74788.

1 files changed, 36 insertions, 0 deletions

diff --git a/test/CodeGen/Thumb2/thumb2-sub4.ll b/test/CodeGen/Thumb2/thumb2-sub4.ll
new file mode 100644
index 0000000..fd283fd
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-sub4.ll
@@ -0,0 +1,36 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {sub\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\]$} | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {sub\\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 {sub\\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 {sub\\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 {sub\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*ror\\W*#8$} | count 1
+
+define i32 @f1(i32 %a, i32 %b) {
+    %tmp = sub i32 %a, %b
+    ret i32 %tmp
+}
+
+define i32 @f2(i32 %a, i32 %b) {
+    %tmp = shl i32 %b, 5
+    %tmp1 = sub i32 %a, %tmp
+    ret i32 %tmp1
+}
+
+define i32 @f3(i32 %a, i32 %b) {
+    %tmp = lshr i32 %b, 6
+    %tmp1 = sub i32 %a, %tmp
+    ret i32 %tmp1
+}
+
+define i32 @f4(i32 %a, i32 %b) {
+    %tmp = ashr i32 %b, 7
+    %tmp1 = sub i32 %a, %tmp
+    ret i32 %tmp1
+}
+
+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 %a, %tmp
+    ret i32 %tmp1
+}