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Add graphs that I forgot to push in the original PR

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Oliver Scherer 2018-12-14 16:58:19 +01:00 committed by Who? Me?!
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7
src/mir/construction.md
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@ -92,6 +92,13 @@ There are essentially four kinds of representations one might want of an express
* `Operand` is an argument to e.g. a `+` operation or a function call
* a temporary variable containing a copy of the value
These following image depicts a general overview of the interactions between the
representations:
<img src="mir_overview.svg">
[Click here for a more detailed view](mir_detailed.svg)
We start out with lowering the function body to an `Rvalue` so we can create an
assignment to `RETURN_PLACE`, This `Rvalue` lowering will in turn trigger lowering to
`Operand` for its arguments (if any). `Operand` lowering either produces a `const`

27
src/mir/mir_detailed.dot Normal file
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@ -0,0 +1,27 @@
digraph G {
Operand -> Constant
Operand -> Place [taillabel="read"]
Place -> Projection
Projection -> Place
Place -> LocalId
Rvalue -> "Rvalue\nAggregate"
Rvalue -> "Rvalue\nBinaryOp"
Rvalue -> "Rvalue\nUnaryOp"
Rvalue -> "Rvalue\n..."
"Rvalue\nAggregate" -> Operand [headlabel="*"]
"Rvalue\nBinaryOp" -> Operand [headlabel="2"]
"Rvalue\nUnaryOp" -> Operand
"Statement\nAssignment" -> Place [taillabel="write"]
"Statement\nAssignment" -> Rvalue
Statement -> "Statement\nAssignment"
Statement -> "Statement\n..."
Block -> Statement [headlabel="*"]
Block -> Terminator
Terminator -> "Terminator\nSwitchInt"
"Terminator\nSwitchInt" -> Operand
"Terminator\nSwitchInt" -> Constant [headlabel="*"]
"Terminator\nSwitchInt" -> BlockId [headlabel="*"]
Terminator -> "Terminator\n..."
Mir -> Block [headlabel="*"]
Mir -> Local [headlabel="*"]
}

300
src/mir/mir_detailed.svg Normal file
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@ -0,0 +1,300 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- Generated by graphviz version 2.40.1 (20161225.0304)
-->
<!-- Title: G Pages: 1 -->
<svg width="710pt" height="655pt"
viewBox="0.00 0.00 710.21 655.48" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 651.4802)">
<title>G</title>
<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-651.4802 706.2058,-651.4802 706.2058,4 -4,4"/>
<!-- Operand -->
<g id="node1" class="node">
<title>Operand</title>
<ellipse fill="none" stroke="#000000" cx="235.0515" cy="-162" rx="40.8928" ry="18"/>
<text text-anchor="middle" x="235.0515" y="-158.3" font-family="Times,serif" font-size="14.00" fill="#000000">Operand</text>
</g>
<!-- Constant -->
<g id="node2" class="node">
<title>Constant</title>
<ellipse fill="none" stroke="#000000" cx="307.0515" cy="-90" rx="42.4939" ry="18"/>
<text text-anchor="middle" x="307.0515" y="-86.3" font-family="Times,serif" font-size="14.00" fill="#000000">Constant</text>
</g>
<!-- Operand&#45;&gt;Constant -->
<g id="edge1" class="edge">
<title>Operand&#45;&gt;Constant</title>
<path fill="none" stroke="#000000" d="M251.7507,-145.3008C261.1107,-135.9408 272.942,-124.1095 283.2569,-113.7945"/>
<polygon fill="#000000" stroke="#000000" points="285.8466,-116.1546 290.4428,-106.6087 280.8969,-111.2049 285.8466,-116.1546"/>
</g>
<!-- Place -->
<g id="node3" class="node">
<title>Place</title>
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<text text-anchor="middle" x="163.0515" y="-86.3" font-family="Times,serif" font-size="14.00" fill="#000000">Place</text>
</g>
<!-- Operand&#45;&gt;Place -->
<g id="edge2" class="edge">
<title>Operand&#45;&gt;Place</title>
<path fill="none" stroke="#000000" d="M218.3523,-145.3008C208.7249,-135.6734 196.4829,-123.4314 185.9657,-112.9142"/>
<polygon fill="#000000" stroke="#000000" points="188.2204,-110.2191 178.6744,-105.6229 183.2706,-115.1689 188.2204,-110.2191"/>
<text text-anchor="middle" x="206.3523" y="-134.1008" font-family="Times,serif" font-size="14.00" fill="#000000">read</text>
</g>
<!-- Projection -->
<g id="node4" class="node">
<title>Projection</title>
<ellipse fill="none" stroke="#000000" cx="163.0515" cy="-18" rx="46.5926" ry="18"/>
<text text-anchor="middle" x="163.0515" y="-14.3" font-family="Times,serif" font-size="14.00" fill="#000000">Projection</text>
</g>
<!-- Place&#45;&gt;Projection -->
<g id="edge3" class="edge">
<title>Place&#45;&gt;Projection</title>
<path fill="none" stroke="#000000" d="M157.1358,-72.2022C156.3519,-64.3864 156.1204,-55.0171 156.4412,-46.2836"/>
<polygon fill="#000000" stroke="#000000" points="159.9475,-46.2999 157.1065,-36.0931 152.9624,-45.8439 159.9475,-46.2999"/>
</g>
<!-- LocalId -->
<g id="node5" class="node">
<title>LocalId</title>
<ellipse fill="none" stroke="#000000" cx="266.0515" cy="-18" rx="38.1938" ry="18"/>
<text text-anchor="middle" x="266.0515" y="-14.3" font-family="Times,serif" font-size="14.00" fill="#000000">LocalId</text>
</g>
<!-- Place&#45;&gt;LocalId -->
<g id="edge5" class="edge">
<title>Place&#45;&gt;LocalId</title>
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<!-- Projection&#45;&gt;Place -->
<g id="edge4" class="edge">
<title>Projection&#45;&gt;Place</title>
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<polygon fill="#000000" stroke="#000000" points="166.1453,-61.9901 168.9672,-72.2022 173.1296,-62.4593 166.1453,-61.9901"/>
</g>
<!-- Rvalue -->
<g id="node6" class="node">
<title>Rvalue</title>
<ellipse fill="none" stroke="#000000" cx="204.0515" cy="-323.7401" rx="35.9954" ry="18"/>
<text text-anchor="middle" x="204.0515" y="-320.0401" font-family="Times,serif" font-size="14.00" fill="#000000">Rvalue</text>
</g>
<!-- Rvalue\nAggregate -->
<g id="node7" class="node">
<title>Rvalue\nAggregate</title>
<ellipse fill="none" stroke="#000000" cx="69.0515" cy="-242.8701" rx="51.7379" ry="26.7407"/>
<text text-anchor="middle" x="69.0515" y="-246.6701" font-family="Times,serif" font-size="14.00" fill="#000000">Rvalue</text>
<text text-anchor="middle" x="69.0515" y="-231.6701" font-family="Times,serif" font-size="14.00" fill="#000000">Aggregate</text>
</g>
<!-- Rvalue&#45;&gt;Rvalue\nAggregate -->
<g id="edge6" class="edge">
<title>Rvalue&#45;&gt;Rvalue\nAggregate</title>
<path fill="none" stroke="#000000" d="M180.8442,-309.8381C161.9431,-298.5156 134.7462,-282.2237 111.9105,-268.5442"/>
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<!-- Rvalue\nBinaryOp -->
<g id="node8" class="node">
<title>Rvalue\nBinaryOp</title>
<ellipse fill="none" stroke="#000000" cx="188.0515" cy="-242.8701" rx="49.4949" ry="26.7407"/>
<text text-anchor="middle" x="188.0515" y="-246.6701" font-family="Times,serif" font-size="14.00" fill="#000000">Rvalue</text>
<text text-anchor="middle" x="188.0515" y="-231.6701" font-family="Times,serif" font-size="14.00" fill="#000000">BinaryOp</text>
</g>
<!-- Rvalue&#45;&gt;Rvalue\nBinaryOp -->
<g id="edge7" class="edge">
<title>Rvalue&#45;&gt;Rvalue\nBinaryOp</title>
<path fill="none" stroke="#000000" d="M200.5006,-305.7924C198.9755,-298.0839 197.134,-288.7767 195.3406,-279.7121"/>
<polygon fill="#000000" stroke="#000000" points="198.73,-278.8098 193.3556,-269.6793 191.8631,-280.1684 198.73,-278.8098"/>
</g>
<!-- Rvalue\nUnaryOp -->
<g id="node9" class="node">
<title>Rvalue\nUnaryOp</title>
<ellipse fill="none" stroke="#000000" cx="303.0515" cy="-242.8701" rx="47.2526" ry="26.7407"/>
<text text-anchor="middle" x="303.0515" y="-246.6701" font-family="Times,serif" font-size="14.00" fill="#000000">Rvalue</text>
<text text-anchor="middle" x="303.0515" y="-231.6701" font-family="Times,serif" font-size="14.00" fill="#000000">UnaryOp</text>
</g>
<!-- Rvalue&#45;&gt;Rvalue\nUnaryOp -->
<g id="edge8" class="edge">
<title>Rvalue&#45;&gt;Rvalue\nUnaryOp</title>
<path fill="none" stroke="#000000" d="M223.1397,-308.1476C235.7504,-297.8463 252.6606,-284.0328 267.6777,-271.7658"/>
<polygon fill="#000000" stroke="#000000" points="270.2561,-274.179 275.7864,-265.142 265.8276,-268.7578 270.2561,-274.179"/>
</g>
<!-- Rvalue\n... -->
<g id="node10" class="node">
<title>Rvalue\n...</title>
<ellipse fill="none" stroke="#000000" cx="407.0515" cy="-242.8701" rx="38.7821" ry="26.7407"/>
<text text-anchor="middle" x="407.0515" y="-246.6701" font-family="Times,serif" font-size="14.00" fill="#000000">Rvalue</text>
<text text-anchor="middle" x="407.0515" y="-231.6701" font-family="Times,serif" font-size="14.00" fill="#000000">...</text>
</g>
<!-- Rvalue&#45;&gt;Rvalue\n... -->
<g id="edge9" class="edge">
<title>Rvalue&#45;&gt;Rvalue\n...</title>
<path fill="none" stroke="#000000" d="M235.256,-314.6368C267.0067,-304.9668 317.3424,-288.5057 359.0515,-269.7401 362.195,-268.3258 365.4063,-266.7762 368.6037,-265.1575"/>
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</g>
<!-- Rvalue\nAggregate&#45;&gt;Operand -->
<g id="edge10" class="edge">
<title>Rvalue\nAggregate&#45;&gt;Operand</title>
<path fill="none" stroke="#000000" d="M107.1352,-224.3168C134.5352,-210.9684 171.2807,-193.0672 198.3573,-179.8763"/>
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<text text-anchor="middle" x="204.0003" y="-179.2221" font-family="Times,serif" font-size="14.00" fill="#000000">*</text>
</g>
<!-- Rvalue\nBinaryOp&#45;&gt;Operand -->
<g id="edge11" class="edge">
<title>Rvalue\nBinaryOp&#45;&gt;Operand</title>
<path fill="none" stroke="#000000" d="M203.1813,-216.8371C208.4947,-207.6947 214.4647,-197.4225 219.7889,-188.2614"/>
<polygon fill="#000000" stroke="#000000" points="222.8508,-189.9584 224.8496,-179.5538 216.7986,-186.441 222.8508,-189.9584"/>
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</g>
<!-- Rvalue\nUnaryOp&#45;&gt;Operand -->
<g id="edge12" class="edge">
<title>Rvalue\nUnaryOp&#45;&gt;Operand</title>
<path fill="none" stroke="#000000" d="M282.6492,-218.6064C274.253,-208.621 264.5321,-197.0602 256.0725,-186.9996"/>
<polygon fill="#000000" stroke="#000000" points="258.7225,-184.7128 249.6079,-179.3114 253.3648,-189.2178 258.7225,-184.7128"/>
</g>
<!-- Statement\nAssignment -->
<g id="node11" class="node">
<title>Statement\nAssignment</title>
<ellipse fill="none" stroke="#000000" cx="204.0515" cy="-404.6102" rx="57.9655" ry="26.7407"/>
<text text-anchor="middle" x="204.0515" y="-408.4102" font-family="Times,serif" font-size="14.00" fill="#000000">Statement</text>
<text text-anchor="middle" x="204.0515" y="-393.4102" font-family="Times,serif" font-size="14.00" fill="#000000">Assignment</text>
</g>
<!-- Statement\nAssignment&#45;&gt;Place -->
<g id="edge13" class="edge">
<title>Statement\nAssignment&#45;&gt;Place</title>
<path fill="none" stroke="#000000" d="M158.0853,-387.9226C110.712,-367.9515 39.4797,-329.5163 8.0515,-269.7401 -28.3835,-200.4412 74.6545,-134.9955 130.1983,-105.8591"/>
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<!-- Statement\nAssignment&#45;&gt;Rvalue -->
<g id="edge14" class="edge">
<title>Statement\nAssignment&#45;&gt;Rvalue</title>
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<title>Statement</title>
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<text text-anchor="middle" x="346.0515" y="-481.7802" font-family="Times,serif" font-size="14.00" fill="#000000">Statement</text>
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<!-- Statement&#45;&gt;Statement\nAssignment -->
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<title>Statement&#45;&gt;Statement\nAssignment</title>
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<title>Statement&#45;&gt;Statement\n...</title>
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<title>Block</title>
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</g>
<!-- Block&#45;&gt;Statement -->
<g id="edge17" class="edge">
<title>Block&#45;&gt;Statement</title>
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<title>Terminator</title>
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<text text-anchor="middle" x="519.0515" y="-320.0401" font-family="Times,serif" font-size="14.00" fill="#000000">Terminator</text>
</g>
<!-- Block&#45;&gt;Terminator -->
<g id="edge18" class="edge">
<title>Block&#45;&gt;Terminator</title>
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<text text-anchor="middle" x="519.0515" y="-231.6701" font-family="Times,serif" font-size="14.00" fill="#000000">SwitchInt</text>
</g>
<!-- Terminator&#45;&gt;Terminator\nSwitchInt -->
<g id="edge19" class="edge">
<title>Terminator&#45;&gt;Terminator\nSwitchInt</title>
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<!-- Terminator\n... -->
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<title>Terminator&#45;&gt;Terminator\n...</title>
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<!-- Mir&#45;&gt;Block -->
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<title>Mir&#45;&gt;Block</title>
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digraph G {
Operand -> Constant
Operand -> Place
Place -> Projection
Projection -> Place
Place -> Local
Rvalue -> Operand
Assignment -> Place
Assignment -> Operand
}

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<title>Operand&#45;&gt;Constant</title>
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<title>Place&#45;&gt;Local</title>
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<title>Projection&#45;&gt;Place</title>
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<title>Rvalue</title>
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<title>Assignment&#45;&gt;Place</title>
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