From 2a7c7b8babcfc0d7249c473dffda0154277ad186 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 28 Feb 2006 05:40:55 +0000
Subject: [PATCH] Simplify some code now that the RHS of a rem can't be 0

llvm-svn: 26413
---
 .../lib/Transforms/Scalar/InstructionCombining.cpp | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
index 80444028d2e3..3caa4cf10e9f 100644
--- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -1867,14 +1867,12 @@ Instruction *InstCombiner::visitRem(BinaryOperator &I) {
       if (isPowerOf2_64(C->getValue()))
         return BinaryOperator::createAnd(Op0, SubOne(C));
 
-    if (!RHS->isNullValue()) {
-      if (SelectInst *SI = dyn_cast<SelectInst>(Op0))
-        if (Instruction *R = FoldOpIntoSelect(I, SI, this))
-          return R;
-      if (isa<PHINode>(Op0))
-        if (Instruction *NV = FoldOpIntoPhi(I))
-          return NV;
-    }
+    if (SelectInst *SI = dyn_cast<SelectInst>(Op0))
+      if (Instruction *R = FoldOpIntoSelect(I, SI, this))
+        return R;
+    if (isa<PHINode>(Op0))
+      if (Instruction *NV = FoldOpIntoPhi(I))
+        return NV;
   }
 
   if (Instruction *RHSI = dyn_cast<Instruction>(I.getOperand(1))) {