Mercurial > projects > ldc
annotate tools/binding/llvmsample1.d @ 1349:a376776e2301
Use getenv on Windows, closes #248.
author | Christian Kamm <kamm incasoftware de> |
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date | Wed, 13 May 2009 18:08:40 +0200 |
parents | 1ba61de8796b |
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rev | line source |
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1273
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Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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1 // simple hello world sample of D LLVM |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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2 module llvmsample1; |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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3 |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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4 import llvm.llvm; |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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5 |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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6 void main() |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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7 { |
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Committing LLVM binding for D as it currently exists in the SVN repository.
Frits van Bommel <fvbommel wxs.nl>
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8 // create module |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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9 auto m = new Module("sample1"); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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10 scope(exit) m.dispose(); |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
Frits van Bommel <fvbommel wxs.nl>
parents:
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11 |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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12 // declare string |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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13 auto chello = ConstantArray.GetString("Hello World!\n", true); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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14 auto hello = m.addGlobal(chello.type, "hellostring"); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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15 hello.initializer = chello; |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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16 hello.linkage = Linkage.Internal; |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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17 hello.globalConstant = true; |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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18 |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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19 // declare printf |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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20 auto printfType = FunctionType.Get(Type.Int32, [ PointerType.Get(Type.Int8) ], true); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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21 auto llprintf = m.addFunction(printfType, "printf"); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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22 |
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23 // declare main |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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24 auto mainType = FunctionType.Get(Type.Int32, null); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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25 auto llmain = m.addFunction(mainType, "main"); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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26 |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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27 // create builder |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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28 auto b = new Builder; |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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29 scope(exit) b.dispose(); |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
Frits van Bommel <fvbommel wxs.nl>
parents:
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30 |
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31 // create main body block |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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32 auto bb = llmain.appendBasicBlock("entry"); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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33 b.positionAtEnd(bb); |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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34 |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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35 // call printf |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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36 auto zero = ConstantInt.GetU(Type.Int32, 0); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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37 auto helloptr = b.buildGEP(hello, [ zero, zero ], "str"); |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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38 helloptr.dump(); |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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39 auto args = [ helloptr ]; |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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40 auto call = b.buildCall(llprintf, args, ""); |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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41 |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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parents:
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42 // return 0 |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
Frits van Bommel <fvbommel wxs.nl>
parents:
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43 b.buildRet(ConstantInt.GetS(Type.Int32, 0)); |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
Frits van Bommel <fvbommel wxs.nl>
parents:
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44 |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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45 // write bitcode |
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Committing LLVM binding for D as it currently exists in the SVN repository.
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46 m.writeBitcodeToFile("sample1.bc"); |
1ba61de8796b
Committing LLVM binding for D as it currently exists in the SVN repository.
Frits van Bommel <fvbommel wxs.nl>
parents:
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47 } |