A couple new regression tests to make sure we always pattern match the new
opcodes on ppc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26256 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/subc.ll b/test/CodeGen/PowerPC/subc.ll
new file mode 100644
index 0000000..9e64c2c
--- /dev/null
+++ b/test/CodeGen/PowerPC/subc.ll
@@ -0,0 +1,25 @@
+; All of these ands and shifts should be folded into rlwimi's
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfc | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfe | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfze | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfme | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfic | wc -l | grep 2
+implementation ; Functions:
+
+long %sub_ll(long %a, long %b) {
+entry:
+ %tmp.2 = sub long %a, %b ; <long> [#uses=1]
+ ret long %tmp.2
+}
+
+long %sub_l_5(long %a) {
+entry:
+ %tmp.1 = sub long 5, %a ; <long> [#uses=1]
+ ret long %tmp.1
+}
+
+long %sub_l_m5(long %a) {
+entry:
+ %tmp.1 = sub long -5, %a ; <long> [#uses=1]
+ ret long %tmp.1
+}