From: Chad Rosier <mcrosier@apple.com>
Date: Fri, 3 Feb 2012 21:23:45 +0000 (+0000)
Subject: [fast-isel] Add support for URem.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=769422f0fce4def419c8cdb72ee967437ffd2f4f;p=oota-llvm.git

[fast-isel] Add support for URem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149716 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 017e1d74628..63c516109e3 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -164,7 +164,7 @@ class ARMFastISel : public FastISel {
     bool SelectIToFP(const Instruction *I, bool isSigned);
     bool SelectFPToI(const Instruction *I, bool isSigned);
     bool SelectDiv(const Instruction *I, bool isSigned);
-    bool SelectSRem(const Instruction *I);
+    bool SelectRem(const Instruction *I, bool isSigned);
     bool SelectCall(const Instruction *I, const char *IntrMemName);
     bool SelectIntrinsicCall(const IntrinsicInst &I);
     bool SelectSelect(const Instruction *I);
@@ -1700,7 +1700,7 @@ bool ARMFastISel::SelectDiv(const Instruction *I, bool isSigned) {
   return ARMEmitLibcall(I, LC);
 }
 
-bool ARMFastISel::SelectSRem(const Instruction *I) {
+bool ARMFastISel::SelectRem(const Instruction *I, bool isSigned) {
   MVT VT;
   Type *Ty = I->getType();
   if (!isTypeLegal(Ty, VT))
@@ -1708,15 +1708,15 @@ bool ARMFastISel::SelectSRem(const Instruction *I) {
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
   if (VT == MVT::i8)
-    LC = RTLIB::SREM_I8;
+    LC = isSigned ? RTLIB::SREM_I8 : RTLIB::UREM_I8;
   else if (VT == MVT::i16)
-    LC = RTLIB::SREM_I16;
+    LC = isSigned ? RTLIB::SREM_I16 : RTLIB::UREM_I16;
   else if (VT == MVT::i32)
-    LC = RTLIB::SREM_I32;
+    LC = isSigned ? RTLIB::SREM_I32 : RTLIB::UREM_I32;
   else if (VT == MVT::i64)
-    LC = RTLIB::SREM_I64;
+    LC = isSigned ? RTLIB::SREM_I64 : RTLIB::UREM_I64;
   else if (VT == MVT::i128)
-    LC = RTLIB::SREM_I128;
+    LC = isSigned ? RTLIB::SREM_I128 : RTLIB::UREM_I128;
   assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported SREM!");
 
   return ARMEmitLibcall(I, LC);
@@ -2468,7 +2468,9 @@ bool ARMFastISel::TargetSelectInstruction(const Instruction *I) {
     case Instruction::UDiv:
       return SelectDiv(I, /*isSigned*/ false);
     case Instruction::SRem:
-      return SelectSRem(I);
+      return SelectRem(I, /*isSigned*/ true);
+    case Instruction::URem:
+      return SelectRem(I, /*isSigned*/ false);
     case Instruction::Call:
       if (const IntrinsicInst *II = dyn_cast<IntrinsicInst>(I))
         return SelectIntrinsicCall(*II);