Add some more Thumb2 multiplication instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74889 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 20 insertions, 0 deletions

diff --git a/test/CodeGen/Thumb2/thumb2-mulhi.ll b/test/CodeGen/Thumb2/thumb2-mulhi.ll
new file mode 100644
index 0000000..7b41509
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-mulhi.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep smmul | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep umull | count 1
+
+define i32 @smulhi(i32 %x, i32 %y) {
+        %tmp = sext i32 %x to i64               ; <i64> [#uses=1]
+        %tmp1 = sext i32 %y to i64              ; <i64> [#uses=1]
+        %tmp2 = mul i64 %tmp1, %tmp             ; <i64> [#uses=1]
+        %tmp3 = lshr i64 %tmp2, 32              ; <i64> [#uses=1]
+        %tmp3.upgrd.1 = trunc i64 %tmp3 to i32          ; <i32> [#uses=1]
+        ret i32 %tmp3.upgrd.1
+}
+
+define i32 @umulhi(i32 %x, i32 %y) {
+        %tmp = zext i32 %x to i64               ; <i64> [#uses=1]
+        %tmp1 = zext i32 %y to i64              ; <i64> [#uses=1]
+        %tmp2 = mul i64 %tmp1, %tmp             ; <i64> [#uses=1]
+        %tmp3 = lshr i64 %tmp2, 32              ; <i64> [#uses=1]
+        %tmp3.upgrd.2 = trunc i64 %tmp3 to i32          ; <i32> [#uses=1]
+        ret i32 %tmp3.upgrd.2
+}