Remove PHINode::reserveOperandSpace(). Instead, add a parameter to

[oota-llvm.git] / docs / tutorial / LangImpl5.html

diff --git a/docs/tutorial/LangImpl5.html b/docs/tutorial/LangImpl5.html
index f93b59be0dcac856e15dd2a654d234bb48ded94d..e993d9694e95d96bf1189eba80b439056043b79b 100644 (file)
--- a/docs/tutorial/LangImpl5.html
+++ b/docs/tutorial/LangImpl5.html
@@ -72,7 +72,7 @@ have an if/then/else expression plus a simple 'for' loop.</p>
 
 <p>
 Extending Kaleidoscope to support if/then/else is quite straightforward.  It
-basically requires adding lexer support for this "new" concept to the lexer,
+basically requires adding support for this "new" concept to the lexer,
 parser, AST, and LLVM code emitter.  This example is nice, because it shows how
 easy it is to "grow" a language over time, incrementally extending it as new
 ideas are discovered.</p>
@@ -472,7 +472,7 @@ are emitted, we can finish up with the merge code:</p>
   // Emit merge block.
   TheFunction->getBasicBlockList().push_back(MergeBB);
   Builder.SetInsertPoint(MergeBB);
-  PHINode *PN = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()),
+  PHINode *PN = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()), 2,
                                   "iftmp");
   
   PN->addIncoming(ThenV, ThenBB);
@@ -676,9 +676,9 @@ entry:
 loop:          ; preds = %loop, %entry
        %i = phi double [ 1.000000e+00, %entry ], [ %nextvar, %loop ]
         ; body
-       %calltmp = call double @putchard( double 4.200000e+01 )
+       %calltmp = call double @putchard(double 4.200000e+01)
         ; increment
-       %nextvar = add double %i, 1.000000e+00
+       %nextvar = fadd double %i, 1.000000e+00
 
         ; termination test
        %cmptmp = fcmp ult double %i, %n
@@ -746,7 +746,7 @@ create an unconditional branch for the fall-through between the two blocks.</p>
   Builder.SetInsertPoint(LoopBB);
   
   // Start the PHI node with an entry for Start.
-  PHINode *Variable = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()), VarName.c_str());
+  PHINode *Variable = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()), 2, VarName.c_str());
   Variable-&gt;addIncoming(StartVal, PreheaderBB);
 </pre>
 </div>
@@ -800,7 +800,7 @@ references to it will naturally find it in the symbol table.</p>
     StepVal = ConstantFP::get(getGlobalContext(), APFloat(1.0));
   }
   
-  Value *NextVar = Builder.CreateAdd(Variable, StepVal, "nextvar");
+  Value *NextVar = Builder.CreateFAdd(Variable, StepVal, "nextvar");
 </pre>
 </div>
 
@@ -902,13 +902,12 @@ if/then/else and for expressions..  To build this example, use:
 <pre>
 #include "llvm/DerivedTypes.h"
 #include "llvm/ExecutionEngine/ExecutionEngine.h"
-#include "llvm/ExecutionEngine/Interpreter.h"
 #include "llvm/ExecutionEngine/JIT.h"
 #include "llvm/LLVMContext.h"
 #include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
 #include "llvm/PassManager.h"
 #include "llvm/Analysis/Verifier.h"
+#include "llvm/Analysis/Passes.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetSelect.h"
 #include "llvm/Transforms/Scalar.h"
@@ -1379,9 +1378,9 @@ Value *BinaryExprAST::Codegen() {
   if (L == 0 || R == 0) return 0;
   
   switch (Op) {
-  case '+': return Builder.CreateAdd(L, R, "addtmp");
-  case '-': return Builder.CreateSub(L, R, "subtmp");
-  case '*': return Builder.CreateMul(L, R, "multmp");
+  case '+': return Builder.CreateFAdd(L, R, "addtmp");
+  case '-': return Builder.CreateFSub(L, R, "subtmp");
+  case '*': return Builder.CreateFMul(L, R, "multmp");
   case '&lt;':
     L = Builder.CreateFCmpULT(L, R, "cmptmp");
     // Convert bool 0/1 to double 0.0 or 1.0
@@ -1453,7 +1452,7 @@ Value *IfExprAST::Codegen() {
   // Emit merge block.
   TheFunction-&gt;getBasicBlockList().push_back(MergeBB);
   Builder.SetInsertPoint(MergeBB);
-  PHINode *PN = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()),
+  PHINode *PN = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()), 2,
                                   "iftmp");
   
   PN-&gt;addIncoming(ThenV, ThenBB);
@@ -1495,7 +1494,7 @@ Value *ForExprAST::Codegen() {
   Builder.SetInsertPoint(LoopBB);
   
   // Start the PHI node with an entry for Start.
-  PHINode *Variable = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()), VarName.c_str());
+  PHINode *Variable = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()), 2, VarName.c_str());
   Variable-&gt;addIncoming(StartVal, PreheaderBB);
   
   // Within the loop, the variable is defined equal to the PHI node.  If it
@@ -1519,7 +1518,7 @@ Value *ForExprAST::Codegen() {
     StepVal = ConstantFP::get(getGlobalContext(), APFloat(1.0));
   }
   
-  Value *NextVar = Builder.CreateAdd(Variable, StepVal, "nextvar");
+  Value *NextVar = Builder.CreateFAdd(Variable, StepVal, "nextvar");
 
   // Compute the end condition.
   Value *EndCond = End-&gt;Codegen();
@@ -1720,17 +1719,21 @@ int main() {
   // Make the module, which holds all the code.
   TheModule = new Module("my cool jit", Context);
 
-  ExistingModuleProvider *OurModuleProvider =
-      new ExistingModuleProvider(TheModule);
-
-  // Create the JIT.  This takes ownership of the module and module provider.
-  TheExecutionEngine = EngineBuilder(OurModuleProvider).create();
+  // Create the JIT.  This takes ownership of the module.
+  std::string ErrStr;
+  TheExecutionEngine = EngineBuilder(TheModule).setErrorStr(&ErrStr).create();
+  if (!TheExecutionEngine) {
+    fprintf(stderr, "Could not create ExecutionEngine: %s\n", ErrStr.c_str());
+    exit(1);
+  }
 
-  FunctionPassManager OurFPM(OurModuleProvider);
+  FunctionPassManager OurFPM(TheModule);
 
   // Set up the optimizer pipeline.  Start with registering info about how the
   // target lays out data structures.
   OurFPM.add(new TargetData(*TheExecutionEngine-&gt;getTargetData()));
+  // Provide basic AliasAnalysis support for GVN.
+  OurFPM.add(createBasicAliasAnalysisPass());
   // Do simple "peephole" optimizations and bit-twiddling optzns.
   OurFPM.add(createInstructionCombiningPass());
   // Reassociate expressions.
@@ -1771,7 +1774,7 @@ int main() {
 
   <a href="mailto:sabre@nondot.org">Chris Lattner</a><br>
   <a href="http://llvm.org">The LLVM Compiler Infrastructure</a><br>
-  Last modified: $Date: 2007-10-17 11:05:13 -0700 (Wed, 17 Oct 2007) $
+  Last modified: $Date$
 </address>
 </body>
 </html>