Fix for PR1613: added 64-bit rotate left PPC instructions and patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41711 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 20 insertions, 0 deletions

diff --git a/test/CodeGen/PowerPC/rotl-64.ll b/test/CodeGen/PowerPC/rotl-64.ll
new file mode 100644
index 00000000000..3963d9a9d71
--- /dev/null
+++ b/test/CodeGen/PowerPC/rotl-64.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | llc -march=ppc64 | grep rldicl
+; RUN: llvm-as < %s | llc -march=ppc64 | grep rldcl
+; PR1613
+
+define i64 @t1(i64 %A) {
+	%tmp1 = lshr i64 %A, 57
+        %tmp2 = shl i64 %A, 7
+        %tmp3 = or i64 %tmp1, %tmp2
+	ret i64 %tmp3
+}
+
+define i64 @t2(i64 %A, i8 zeroext %Amt) {
+	%Amt1 = zext i8 %Amt to i64
+	%tmp1 = lshr i64 %A, %Amt1
+        %Amt2  = sub i8 64, %Amt
+	%Amt3 = zext i8 %Amt2 to i64
+        %tmp2 = shl i64 %A, %Amt3
+        %tmp3 = or i64 %tmp1, %tmp2
+	ret i64 %tmp3
+}