X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FIntrinsicLowering.cpp;h=67e4e6f7626e825019875b4fa694208487e37e7b;hb=2caf1b212e2db36c52f3a7c3e391ea2800802c60;hp=270a232bf72e6d5be0eb8279f67d020ecdb5a9dd;hpb=481d15a12289ec4d058b863da93794fd8be1e702;p=oota-llvm.git

diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp
index 270a232bf72..67e4e6f7626 100644
--- a/lib/CodeGen/IntrinsicLowering.cpp
+++ b/lib/CodeGen/IntrinsicLowering.cpp
@@ -149,7 +149,7 @@ void IntrinsicLowering::AddPrototypes(Module &M) {
 
 /// LowerBSWAP - Emit the code to lower bswap of V before the specified
 /// instruction IP.
-static Value *LowerBSWAP(Value *V, Instruction *IP) {
+static Value *LowerBSWAP(LLVMContext &Context, Value *V, Instruction *IP) {
   assert(V->getType()->isInteger() && "Can't bswap a non-integer type!");
 
   unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
@@ -157,7 +157,7 @@ static Value *LowerBSWAP(Value *V, Instruction *IP) {
   IRBuilder<> Builder(IP->getParent(), IP);
 
   switch(BitSize) {
-  default: LLVM_UNREACHABLE("Unhandled type size of value to byteswap!");
+  default: llvm_unreachable("Unhandled type size of value to byteswap!");
   case 16: {
     Value *Tmp1 = Builder.CreateShl(V, ConstantInt::get(V->getType(), 8),
                                     "bswap.2");
@@ -173,11 +173,13 @@ static Value *LowerBSWAP(Value *V, Instruction *IP) {
                                     "bswap.3");
     Value *Tmp2 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 8),
                                      "bswap.2");
-    Value *Tmp1 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 24),
+    Value *Tmp1 = Builder.CreateLShr(V,ConstantInt::get(V->getType(), 24),
                                      "bswap.1");
-    Tmp3 = Builder.CreateAnd(Tmp3, ConstantInt::get(Type::Int32Ty, 0xFF0000),
+    Tmp3 = Builder.CreateAnd(Tmp3,
+                             ConstantInt::get(Type::Int32Ty, 0xFF0000),
                              "bswap.and3");
-    Tmp2 = Builder.CreateAnd(Tmp2, ConstantInt::get(Type::Int32Ty, 0xFF00),
+    Tmp2 = Builder.CreateAnd(Tmp2,
+                             ConstantInt::get(Type::Int32Ty, 0xFF00),
                              "bswap.and2");
     Tmp4 = Builder.CreateOr(Tmp4, Tmp3, "bswap.or1");
     Tmp2 = Builder.CreateOr(Tmp2, Tmp1, "bswap.or2");
@@ -195,11 +197,14 @@ static Value *LowerBSWAP(Value *V, Instruction *IP) {
                                     "bswap.5");
     Value* Tmp4 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 8),
                                      "bswap.4");
-    Value* Tmp3 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 24),
+    Value* Tmp3 = Builder.CreateLShr(V, 
+                                     ConstantInt::get(V->getType(), 24),
                                      "bswap.3");
-    Value* Tmp2 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 40),
+    Value* Tmp2 = Builder.CreateLShr(V, 
+                                     ConstantInt::get(V->getType(), 40),
                                      "bswap.2");
-    Value* Tmp1 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 56),
+    Value* Tmp1 = Builder.CreateLShr(V, 
+                                     ConstantInt::get(V->getType(), 56),
                                      "bswap.1");
     Tmp7 = Builder.CreateAnd(Tmp7,
                              ConstantInt::get(Type::Int64Ty,
@@ -210,10 +215,10 @@ static Value *LowerBSWAP(Value *V, Instruction *IP) {
                                               0xFF0000000000ULL),
                              "bswap.and6");
     Tmp5 = Builder.CreateAnd(Tmp5,
-                             ConstantInt::get(Type::Int64Ty, 0xFF00000000ULL),
+                        ConstantInt::get(Type::Int64Ty, 0xFF00000000ULL),
                              "bswap.and5");
     Tmp4 = Builder.CreateAnd(Tmp4,
-                             ConstantInt::get(Type::Int64Ty, 0xFF000000ULL),
+                        ConstantInt::get(Type::Int64Ty, 0xFF000000ULL),
                              "bswap.and4");
     Tmp3 = Builder.CreateAnd(Tmp3,
                              ConstantInt::get(Type::Int64Ty, 0xFF0000ULL),
@@ -236,7 +241,7 @@ static Value *LowerBSWAP(Value *V, Instruction *IP) {
 
 /// LowerCTPOP - Emit the code to lower ctpop of V before the specified
 /// instruction IP.
-static Value *LowerCTPOP(Value *V, Instruction *IP) {
+static Value *LowerCTPOP(LLVMContext &Context, Value *V, Instruction *IP) {
   assert(V->getType()->isInteger() && "Can't ctpop a non-integer type!");
 
   static const uint64_t MaskValues[6] = {
@@ -258,7 +263,7 @@ static Value *LowerCTPOP(Value *V, Instruction *IP) {
       Value *MaskCst = ConstantInt::get(V->getType(), MaskValues[ct]);
       Value *LHS = Builder.CreateAnd(PartValue, MaskCst, "cppop.and1");
       Value *VShift = Builder.CreateLShr(PartValue,
-                                         ConstantInt::get(V->getType(), i),
+                                        ConstantInt::get(V->getType(), i),
                                          "ctpop.sh");
       Value *RHS = Builder.CreateAnd(VShift, MaskCst, "cppop.and2");
       PartValue = Builder.CreateAdd(LHS, RHS, "ctpop.step");
@@ -276,7 +281,7 @@ static Value *LowerCTPOP(Value *V, Instruction *IP) {
 
 /// LowerCTLZ - Emit the code to lower ctlz of V before the specified
 /// instruction IP.
-static Value *LowerCTLZ(Value *V, Instruction *IP) {
+static Value *LowerCTLZ(LLVMContext &Context, Value *V, Instruction *IP) {
 
   IRBuilder<> Builder(IP->getParent(), IP);
 
@@ -288,14 +293,14 @@ static Value *LowerCTLZ(Value *V, Instruction *IP) {
   }
 
   V = Builder.CreateNot(V);
-  return LowerCTPOP(V, IP);
+  return LowerCTPOP(Context, V, IP);
 }
 
 static void ReplaceFPIntrinsicWithCall(CallInst *CI, const char *Fname,
                                        const char *Dname,
                                        const char *LDname) {
   switch (CI->getOperand(1)->getType()->getTypeID()) {
-  default: LLVM_UNREACHABLE("Invalid type in intrinsic");
+  default: llvm_unreachable("Invalid type in intrinsic");
   case Type::FloatTyID:
     ReplaceCallWith(Fname, CI, CI->op_begin() + 1, CI->op_end(),
                   Type::FloatTy);
@@ -315,7 +320,7 @@ static void ReplaceFPIntrinsicWithCall(CallInst *CI, const char *Fname,
 
 void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
   IRBuilder<> Builder(CI->getParent(), CI);
-  LLVMContext *Context = CI->getParent()->getContext();
+  LLVMContext &Context = CI->getContext();
 
   Function *Callee = CI->getCalledFunction();
   assert(Callee && "Cannot lower an indirect call!");
@@ -341,7 +346,7 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
   }
   case Intrinsic::sigsetjmp:
      if (CI->getType() != Type::VoidTy)
-       CI->replaceAllUsesWith(Context->getNullValue(CI->getType()));
+       CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
      break;
 
   case Intrinsic::longjmp: {
@@ -357,15 +362,15 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
     break;
   }
   case Intrinsic::ctpop:
-    CI->replaceAllUsesWith(LowerCTPOP(CI->getOperand(1), CI));
+    CI->replaceAllUsesWith(LowerCTPOP(Context, CI->getOperand(1), CI));
     break;
 
   case Intrinsic::bswap:
-    CI->replaceAllUsesWith(LowerBSWAP(CI->getOperand(1), CI));
+    CI->replaceAllUsesWith(LowerBSWAP(Context, CI->getOperand(1), CI));
     break;
     
   case Intrinsic::ctlz:
-    CI->replaceAllUsesWith(LowerCTLZ(CI->getOperand(1), CI));
+    CI->replaceAllUsesWith(LowerCTLZ(Context, CI->getOperand(1), CI));
     break;
 
   case Intrinsic::cttz: {
@@ -375,7 +380,7 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
     NotSrc->setName(Src->getName() + ".not");
     Value *SrcM1 = ConstantInt::get(Src->getType(), 1);
     SrcM1 = Builder.CreateSub(Src, SrcM1);
-    Src = LowerCTPOP(Builder.CreateAnd(NotSrc, SrcM1), CI);
+    Src = LowerCTPOP(Context, Builder.CreateAnd(NotSrc, SrcM1), CI);
     CI->replaceAllUsesWith(Src);
     break;
   }
@@ -388,7 +393,7 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
                "save" : "restore") << " intrinsic.\n";
     Warned = true;
     if (Callee->getIntrinsicID() == Intrinsic::stacksave)
-      CI->replaceAllUsesWith(Context->getNullValue(CI->getType()));
+      CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
     break;
   }
     
@@ -423,7 +428,7 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
   case Intrinsic::eh_exception:
   case Intrinsic::eh_selector_i32:
   case Intrinsic::eh_selector_i64:
-    CI->replaceAllUsesWith(Context->getNullValue(CI->getType()));
+    CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
     break;
 
   case Intrinsic::eh_typeid_for_i32: