109-wat-new.svg

109-wat-old.svg

80-factorial_fold-new.svg

<?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 2.38.0 (20140413.2041)
 -->
<!-- Title: Mir Pages: 1 -->
<svg width="635pt" height="323pt"
 viewBox="0.00 0.00 635.00 323.00" 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(4 319)">
<title>Mir</title>
<polygon fill="white" stroke="none" points="-4,4 -4,-319 631,-319 631,4 -4,4"/>
<text text-anchor="start" x="8" y="-82.8" font-family="monospace" font-size="14.00">fn(a0: &amp;mut [closure@test.rs:37:20: 37:38], a1: usize, a2: usize) &#45;&gt; usize</text>
<text text-anchor="start" x="8" y="-67.8" font-family="monospace" font-size="14.00">let v0: usize; // prod</text>
<text text-anchor="start" x="8" y="-52.8" font-family="monospace" font-size="14.00">let v1: usize; // x</text>
<text text-anchor="start" x="8" y="-37.8" font-family="monospace" font-size="14.00">let t0: ();</text>
<text text-anchor="start" x="8" y="-22.8" font-family="monospace" font-size="14.00">let t1: usize;</text>
<text text-anchor="start" x="8" y="-7.8" font-family="monospace" font-size="14.00">let t2: usize;</text>
<!-- bb0 -->
<g id="node1" class="node"><title>bb0</title>
<polygon fill="gray" stroke="none" points="150.25,-289.5 150.25,-310.5 379.25,-310.5 379.25,-289.5 150.25,-289.5"/>
<polygon fill="none" stroke="black" points="150.25,-289.5 150.25,-310.5 379.25,-310.5 379.25,-289.5 150.25,-289.5"/>
<text text-anchor="start" x="260.25" y="-296.3" font-family="monospace" font-size="14.00">0</text>
<polygon fill="none" stroke="black" points="150.25,-208.5 150.25,-289.5 379.25,-289.5 379.25,-208.5 150.25,-208.5"/>
<text text-anchor="start" x="153.25" y="-275.3" font-family="monospace" font-size="14.00">v0 = a0</text>
<text text-anchor="start" x="153.25" y="-260.3" font-family="monospace" font-size="14.00">v1 = a1</text>
<text text-anchor="start" x="153.25" y="-245.3" font-family="monospace" font-size="14.00">t1 = v0</text>
<text text-anchor="start" x="153.25" y="-230.3" font-family="monospace" font-size="14.00">t2 = v1</text>
<text text-anchor="start" x="153.25" y="-215.3" font-family="monospace" font-size="14.00">ReturnPointer = Mul(t1, t2)</text>
<polygon fill="none" stroke="black" points="150.25,-187.5 150.25,-208.5 379.25,-208.5 379.25,-187.5 150.25,-187.5"/>
<text text-anchor="start" x="153.25" y="-194.3" font-family="monospace" font-size="14.00">goto</text>
</g>
<!-- bb1 -->
<g id="node2" class="node"><title>bb1</title>
<polygon fill="gray" stroke="none" points="236.25,-123 236.25,-144 292.25,-144 292.25,-123 236.25,-123"/>
<polygon fill="none" stroke="black" points="236.25,-123 236.25,-144 292.25,-144 292.25,-123 236.25,-123"/>
<text text-anchor="start" x="259.75" y="-129.8" font-family="monospace" font-size="14.00">1</text>
<polygon fill="none" stroke="black" points="236.25,-102 236.25,-123 292.25,-123 292.25,-102 236.25,-102"/>
<text text-anchor="start" x="239.25" y="-108.8" font-family="monospace" font-size="14.00">return</text>
</g>
<!-- bb0&#45;&gt;bb1 -->
<g id="edge1" class="edge"><title>bb0&#45;&gt;bb1</title>
<path fill="none" stroke="black" d="M264.25,-183.697C264.25,-175.005 264.25,-166.378 264.25,-158.498"/>
<polygon fill="black" stroke="black" points="267.75,-158.278 264.25,-148.278 260.75,-158.278 267.75,-158.278"/>
</g>
<!-- bb2 -->
<g id="node3" class="node"><title>bb2</title>
<polygon fill="gray" stroke="none" points="413.25,-249.5 413.25,-270.5 477.25,-270.5 477.25,-249.5 413.25,-249.5"/>
<polygon fill="none" stroke="black" points="413.25,-249.5 413.25,-270.5 477.25,-270.5 477.25,-249.5 413.25,-249.5"/>
<text text-anchor="start" x="440.75" y="-256.3" font-family="monospace" font-size="14.00">2</text>
<polygon fill="none" stroke="black" points="413.25,-228.5 413.25,-249.5 477.25,-249.5 477.25,-228.5 413.25,-228.5"/>
<text text-anchor="start" x="416.25" y="-235.3" font-family="monospace" font-size="14.00">diverge</text>
</g>
</g>
</svg>

80-factorial_fold-old.svg

constant-new.svg

constant-old.svg

empty-new.svg

empty-old.svg

factorial_fold-new.svg

factorial_fold-old.svg

factorial_iterative-new.svg

factorial_iterative-old.svg

factorial_recursive-new.svg

factorial_recursive-old.svg

increment-new.svg

increment-old.svg

multi_switch-new.svg

multi_switch-old.svg

test.rs

#![feature(rustc_attrs)]
#![allow(dead_code)]

#[rustc_mir(graphviz = "empty.dot")]
fn empty() {}

#[rustc_mir(graphviz = "constant.dot")]
fn constant() -> i32 {
    42
}

#[rustc_mir(graphviz = "increment.dot")]
fn increment(x: i32) -> i32 {
    x + 1
}

#[rustc_mir(graphviz = "factorial_recursive.dot")]
fn factorial_recursive(n: usize) -> usize {
    if n == 0 {
        1
    } else {
        n * factorial_recursive(n - 1)
    }
}

#[rustc_mir(graphviz = "factorial_iterative.dot")]
fn factorial_iterative(n: usize) -> usize {
    let mut prod = 1;
    for x in 1..n {
        prod *= x;
    }
    prod
}

#[rustc_mir(graphviz = "factorial_fold.dot")]
fn factorial_fold(n: usize) -> usize {
    (1..n).fold(1, |prod, x| prod * x)
}

#[rustc_mir(graphviz = "wat.dot")]
fn wat(n: usize) -> usize {
    let mut prod = 1;
    (1..n).fold((), |(), x| { prod *= x; });
    prod
}

#[rustc_mir(graphviz = "multi_switch.dot")]
fn multi_switch(n: usize) -> usize {
    match n {
        5 | 10 | 15 => 3,
        20 | 30 => 2,
        _ => 1,
    }
}

wat-new.svg

wat-old.svg