Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 7 insertions, 4 deletions

diff --git a/lib/Analysis/Analysis.cpp b/lib/Analysis/Analysis.cpp
index 2c52dbd..6b741bc 100644
--- a/lib/Analysis/Analysis.cpp
+++ b/lib/Analysis/Analysis.cpp
@@ -10,6 +10,7 @@
 #include "llvm-c/Analysis.h"
 #include "llvm/Analysis/Verifier.h"
 #include <fstream>
+#include <cstring>
 
 using namespace llvm;
 
diff --git a/lib/Analysis/IPA/Andersens.cpp b/lib/Analysis/IPA/Andersens.cpp
index 037f331..399ce1f 100644
--- a/lib/Analysis/IPA/Andersens.cpp
+++ b/lib/Analysis/IPA/Andersens.cpp
@@ -139,7 +139,7 @@ namespace {
 
       Constraint(ConstraintType Ty, unsigned D, unsigned S, unsigned O = 0)
         : Type(Ty), Dest(D), Src(S), Offset(O) {
-        assert(Offset == 0 || Ty != AddressOf &&
+        assert((Offset == 0 || Ty != AddressOf) &&
                "Offset is illegal on addressof constraints");
       }
 
@@ -1931,7 +1931,7 @@ void Andersens::RewriteConstraints() {
 
     C.Src = FindEquivalentNode(RHSNode, RHSLabel);
     C.Dest = FindEquivalentNode(FindNode(LHSNode), LHSLabel);
-    if (C.Src == C.Dest && C.Type == Constraint::Copy
+    if ((C.Src == C.Dest && C.Type == Constraint::Copy)
         || Seen.count(C))
       continue;
 
diff --git a/lib/Analysis/IPA/GlobalsModRef.cpp b/lib/Analysis/IPA/GlobalsModRef.cpp
index 880298e..9aafe37 100644
--- a/lib/Analysis/IPA/GlobalsModRef.cpp
+++ b/lib/Analysis/IPA/GlobalsModRef.cpp
@@ -115,11 +115,12 @@ namespace {
     /// case the most generic behavior of this function should be returned.
     virtual ModRefBehavior getModRefBehavior(Function *F, CallSite CS,
                                          std::vector<PointerAccessInfo> *Info) {
-      if (FunctionRecord *FR = getFunctionInfo(F))
+      if (FunctionRecord *FR = getFunctionInfo(F)) {
         if (FR->FunctionEffect == 0)
           return DoesNotAccessMemory;
         else if ((FR->FunctionEffect & Mod) == 0)
           return OnlyReadsMemory;
+      }
       return AliasAnalysis::getModRefBehavior(F, CS, Info);
     }
 
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 7f1cac0..30cf950 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -2145,13 +2145,14 @@ static PHINode *getConstantEvolvingPHI(Value *V, const Loop *L) {
   Instruction *I = dyn_cast<Instruction>(V);
   if (I == 0 || !L->contains(I->getParent())) return 0;
 
-  if (PHINode *PN = dyn_cast<PHINode>(I))
+  if (PHINode *PN = dyn_cast<PHINode>(I)) {
     if (L->getHeader() == I->getParent())
       return PN;
     else
       // We don't currently keep track of the control flow needed to evaluate
       // PHIs, so we cannot handle PHIs inside of loops.
       return 0;
+  }
 
   // If we won't be able to constant fold this expression even if the operands
   // are constants, return early.