summaryrefslogtreecommitdiff
path: root/docs/tutorial/LangImpl4.html
diff options
context:
space:
mode:
Diffstat (limited to 'docs/tutorial/LangImpl4.html')
-rw-r--r--docs/tutorial/LangImpl4.html64
1 files changed, 41 insertions, 23 deletions
diff --git a/docs/tutorial/LangImpl4.html b/docs/tutorial/LangImpl4.html
index fe54fb5c01..77c9dbe0ad 100644
--- a/docs/tutorial/LangImpl4.html
+++ b/docs/tutorial/LangImpl4.html
@@ -343,9 +343,10 @@ code that is statically linked into your application.</p>
<div class="doc_code">
<pre>
ready&gt; <b>4+5;</b>
-define double @""() {
+Read top-level expression:
+define double @0() {
entry:
- ret double 9.000000e+00
+ ret double 9.000000e+00
}
<em>Evaluated to 9.000000</em>
@@ -363,16 +364,17 @@ ready&gt; <b>def testfunc(x y) x + y*2; </b>
Read function definition:
define double @testfunc(double %x, double %y) {
entry:
- %multmp = fmul double %y, 2.000000e+00
- %addtmp = fadd double %multmp, %x
- ret double %addtmp
+ %multmp = fmul double %y, 2.000000e+00
+ %addtmp = fadd double %multmp, %x
+ ret double %addtmp
}
ready&gt; <b>testfunc(4, 10);</b>
-define double @""() {
+Read top-level expression:
+define double @1() {
entry:
- %calltmp = call double @testfunc(double 4.000000e+00, double 1.000000e+01)
- ret double %calltmp
+ %calltmp = call double @testfunc(double 4.000000e+00, double 1.000000e+01)
+ ret double %calltmp
}
<em>Evaluated to 24.000000</em>
@@ -404,21 +406,34 @@ Read extern:
declare double @cos(double)
ready&gt; <b>sin(1.0);</b>
+Read top-level expression:
+define double @2() {
+entry:
+ ret double 0x3FEAED548F090CEE
+}
+
<em>Evaluated to 0.841471</em>
ready&gt; <b>def foo(x) sin(x)*sin(x) + cos(x)*cos(x);</b>
Read function definition:
define double @foo(double %x) {
entry:
- %calltmp = call double @sin(double %x)
- %multmp = fmul double %calltmp, %calltmp
- %calltmp2 = call double @cos(double %x)
- %multmp4 = fmul double %calltmp2, %calltmp2
- %addtmp = fadd double %multmp, %multmp4
- ret double %addtmp
+ %calltmp = call double @sin(double %x)
+ %multmp = fmul double %calltmp, %calltmp
+ %calltmp2 = call double @cos(double %x)
+ %multmp4 = fmul double %calltmp2, %calltmp2
+ %addtmp = fadd double %multmp, %multmp4
+ ret double %addtmp
}
ready&gt; <b>foo(4.0);</b>
+Read top-level expression:
+define double @3() {
+entry:
+ %calltmp = call double @foo(double 4.000000e+00)
+ ret double %calltmp
+}
+
<em>Evaluated to 1.000000</em>
</pre>
</div>
@@ -484,10 +499,10 @@ LLVM JIT and optimizer. To build this example, use:
<div class="doc_code">
<pre>
- # Compile
- g++ -g toy.cpp `llvm-config --cppflags --ldflags --libs core jit native` -O3 -o toy
- # Run
- ./toy
+# Compile
+clang++ -g toy.cpp `llvm-config --cppflags --ldflags --libs core jit native` -O3 -o toy
+# Run
+./toy
</pre>
</div>
@@ -509,9 +524,9 @@ at runtime.</p>
#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"
#include "llvm/Support/IRBuilder.h"
+#include "llvm/Support/TargetSelect.h"
#include &lt;cstdio&gt;
#include &lt;string&gt;
#include &lt;map&gt;
@@ -905,13 +920,13 @@ Value *CallExprAST::Codegen() {
if (ArgsV.back() == 0) return 0;
}
- return Builder.CreateCall(CalleeF, ArgsV.begin(), ArgsV.end(), "calltmp");
+ return Builder.CreateCall(CalleeF, ArgsV, "calltmp");
}
Function *PrototypeAST::Codegen() {
// Make the function type: double(double,double) etc.
- std::vector&lt;const Type*&gt; Doubles(Args.size(),
- Type::getDoubleTy(getGlobalContext()));
+ std::vector&lt;Type*&gt; Doubles(Args.size(),
+ Type::getDoubleTy(getGlobalContext()));
FunctionType *FT = FunctionType::get(Type::getDoubleTy(getGlobalContext()),
Doubles, false);
@@ -1013,6 +1028,9 @@ static void HandleTopLevelExpression() {
// Evaluate a top-level expression into an anonymous function.
if (FunctionAST *F = ParseTopLevelExpr()) {
if (Function *LF = F-&gt;Codegen()) {
+ fprintf(stderr, "Read top-level expression:");
+ LF->dump();
+
// JIT the function, returning a function pointer.
void *FPtr = TheExecutionEngine-&gt;getPointerToFunction(LF);
@@ -1076,7 +1094,7 @@ int main() {
// Create the JIT. This takes ownership of the module.
std::string ErrStr;
-TheExecutionEngine = EngineBuilder(TheModule).setErrorStr(&amp;ErrStr).create();
+ TheExecutionEngine = EngineBuilder(TheModule).setErrorStr(&amp;ErrStr).create();
if (!TheExecutionEngine) {
fprintf(stderr, "Could not create ExecutionEngine: %s\n", ErrStr.c_str());
exit(1);