Added ARM::mls for armv6t2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74866 91177308-0d34-0410-b5e6-96231b3b80d8
2026-04-26 12:20:42 +00:00 · 2009-07-06 22:05:45 +00:00
parent 2c4d96dfe9
commit edcbada3d0
2 changed files with 20 additions and 0 deletions
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+v6t2 | grep {mls\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\]} | count 1
+
+define i32 @f1(i32 %a, i32 %b, i32 %c) {
+    %tmp1 = mul i32 %a, %b
+    %tmp2 = sub i32 %c, %tmp1
+    ret i32 %tmp2
+}
+
+; sub doesn't commute, so no mls for this one
+define i32 @f2(i32 %a, i32 %b, i32 %c) {
+    %tmp1 = mul i32 %a, %b
+    %tmp2 = sub i32 %tmp1, %c
+    ret i32 %tmp2
+}