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60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
// #target: x64-darwin
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module example;
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import std::io;
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macro foo(a, b)
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{
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return a(b);
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}
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fn int square(int x)
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{
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return x * x;
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}
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fn int test()
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{
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int a = 2;
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int b = 3;
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return @foo(&square, 2) + a + b; // 9
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// return @foo(square, 2) + a + b;
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// Error the symbol "square" cannot be used as an argument.
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}
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// #expect: example.ll
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define i32 @example.square(i32 %0) #0 {
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entry:
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%x = alloca i32, align 4
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store i32 %0, i32* %x, align 4
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%1 = load i32, i32* %x, align 4
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%2 = load i32, i32* %x, align 4
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%mul = mul i32 %1, %2
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ret i32 %mul
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}
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define i32 @example.test() #0 {
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entry:
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%a = alloca i32, align 4
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%b = alloca i32, align 4
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%a1 = alloca i32 (i32)*, align 8
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%b2 = alloca i32, align 4
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%blockret = alloca i32, align 4
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store i32 2, i32* %a, align 4
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store i32 3, i32* %b, align 4
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store i32 (i32)* @example.square, i32 (i32)** %a1, align 8
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store i32 2, i32* %b2, align 4
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%0 = load i32 (i32)*, i32 (i32)** %a1, align 8
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%1 = load i32, i32* %b2, align 4
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%2 = call i32 %0(i32 %1)
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store i32 %2, i32* %blockret, align 4
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br label %expr_block.exit
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expr_block.exit: ; preds = %entry
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%3 = load i32, i32* %blockret, align 4
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%4 = load i32, i32* %a, align 4
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%add = add i32 %3, %4
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%5 = load i32, i32* %b, align 4
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%add3 = add i32 %add, %5
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ret i32 %add3
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} |