[llvm] r341962 - [InstCombine] Use dyn_cast instead of match(m_Constant). NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Tue Sep 11 09:51:26 2018
New Revision: 341962

URL: http://llvm.org/viewvc/llvm-project?rev=341962&view=rev
Log:
[InstCombine] Use dyn_cast instead of match(m_Constant). NFC

Modified:
    llvm/trunk/lib/Transforms/InstCombine/InstCombineAddSub.cpp

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineAddSub.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineAddSub.cpp?rev=341962&r1=341961&r2=341962&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineAddSub.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineAddSub.cpp Tue Sep 11 09:51:26 2018
@@ -1195,8 +1195,7 @@ Instruction *InstCombiner::visitAdd(Bina
   // integer add followed by a sext.
   if (SExtInst *LHSConv = dyn_cast<SExtInst>(LHS)) {
     // (add (sext x), cst) --> (sext (add x, cst'))
-    Constant *RHSC;
-    if (match(RHS, m_Constant(RHSC))) {
+    if (auto *RHSC = dyn_cast<Constant>(RHS)) {
       if (LHSConv->hasOneUse()) {
         Constant *CI =
             ConstantExpr::getTrunc(RHSC, LHSConv->getOperand(0)->getType());
@@ -1232,8 +1231,7 @@ Instruction *InstCombiner::visitAdd(Bina
   // integer add followed by a zext.
   if (auto *LHSConv = dyn_cast<ZExtInst>(LHS)) {
     // (add (zext x), cst) --> (zext (add x, cst'))
-    Constant *RHSC;
-    if (match(RHS, m_Constant(RHSC))) {
+    if (auto *RHSC = dyn_cast<Constant>(RHS)) {
       if (LHSConv->hasOneUse()) {
         Constant *CI =
             ConstantExpr::getTrunc(RHSC, LHSConv->getOperand(0)->getType());