From 1d6d49fbb104781cc3e9da9dcc3e36b6cbcd38b6 Mon Sep 17 00:00:00 2001
From: Roman Divacky <rdivacky@freebsd.org>
Date: Thu, 31 Oct 2013 19:22:33 +0000
Subject: [PATCH] SparcV9 doesnt have rem instruction either.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193789 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/Sparc/SparcISelLowering.cpp |  8 ++++++++
 test/CodeGen/SPARC/rem.ll              | 23 +++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 test/CodeGen/SPARC/rem.ll

diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index c2e16fc2199..d0156fa340d 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -1341,6 +1341,14 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::SREM, MVT::i32, Expand);
   setOperationAction(ISD::SDIVREM, MVT::i32, Expand);
   setOperationAction(ISD::UDIVREM, MVT::i32, Expand);
+  
+  // ... nor does SparcV9.
+  if (Subtarget->is64Bit()) {
+    setOperationAction(ISD::UREM, MVT::i64, Expand);
+    setOperationAction(ISD::SREM, MVT::i64, Expand);
+    setOperationAction(ISD::SDIVREM, MVT::i64, Expand);
+    setOperationAction(ISD::UDIVREM, MVT::i64, Expand);
+  }
 
   // Custom expand fp<->sint
   setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);
diff --git a/test/CodeGen/SPARC/rem.ll b/test/CodeGen/SPARC/rem.ll
new file mode 100644
index 00000000000..71f62e4fc1c
--- /dev/null
+++ b/test/CodeGen/SPARC/rem.ll
@@ -0,0 +1,23 @@
+; RUN: llc < %s -march=sparcv9 | FileCheck %s
+
+; CHECK-LABEL: test1:
+; CHECK:        sdivx %o0, %o1, %o2
+; CHECK-NEXT:   mulx %o2, %o1, %o1
+; CHECK-NEXT:   jmp %o7+8
+; CHECK-NEXT:   sub %o0, %o1, %o0
+
+define i64 @test1(i64 %X, i64 %Y) {
+        %tmp1 = srem i64 %X, %Y
+        ret i64 %tmp1
+}
+
+; CHECK-LABEL: test2:
+; CHECK:        udivx %o0, %o1, %o2
+; CHECK-NEXT:   mulx %o2, %o1, %o1
+; CHECK-NEXT:   jmp %o7+8
+; CHECK-NEXT:   sub %o0, %o1, %o0
+
+define i64 @test2(i64 %X, i64 %Y) {
+        %tmp1 = urem i64 %X, %Y
+        ret i64 %tmp1
+}