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update the tutorial to use CreateFAdd to create fp operations.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112733 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-09-01 20:09:20 +00:00
parent 1f758831cb
commit f57fcf7844
4 changed files with 9 additions and 9 deletions
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8
docs/tutorial/LangImpl3.html
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@ -222,7 +222,7 @@ code, we do a simple switch on the opcode to create the right LLVM instruction.
<p>In the example above, the LLVM builder class is starting to show its value.
IRBuilder knows where to insert the newly created instruction, all you have to
do is specify what instruction to create (e.g. with <tt>CreateAdd</tt>), which
do is specify what instruction to create (e.g. with <tt>CreateFAdd</tt>), which
operands to use (<tt>L</tt> and <tt>R</tt> here) and optionally provide a name
for the generated instruction.</p>
@ -1054,9 +1054,9 @@ 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

4
docs/tutorial/LangImpl5.html
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@ -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>
@ -1517,7 +1517,7 @@ 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();

2
docs/tutorial/LangImpl6.html
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@ -1540,7 +1540,7 @@ 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();

4
docs/tutorial/LangImpl7.html
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@ -480,7 +480,7 @@ the unabridged code):</p>
<b>// Reload, increment, and restore the alloca. This handles the case where
// the body of the loop mutates the variable.
Value *CurVar = Builder.CreateLoad(Alloca);
Value *NextVar = Builder.CreateAdd(CurVar, StepVal, "nextvar");
Value *NextVar = Builder.CreateFAdd(CurVar, StepVal, "nextvar");
Builder.CreateStore(NextVar, Alloca);</b>
...
</pre>
@ -1833,7 +1833,7 @@ Value *ForExprAST::Codegen() {
// Reload, increment, and restore the alloca. This handles the case where
// the body of the loop mutates the variable.
Value *CurVar = Builder.CreateLoad(Alloca, VarName.c_str());
Value *NextVar = Builder.CreateAdd(CurVar, StepVal, "nextvar");
Value *NextVar = Builder.CreateFAdd(CurVar, StepVal, "nextvar");
Builder.CreateStore(NextVar, Alloca);
// Convert condition to a bool by comparing equal to 0.0.