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109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
module withbody;
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extern fn int printf(char *, ...);
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struct Foo
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{
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int x;
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}
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fn int Foo.mutate(Foo *foo)
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{
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printf("Mutating\n");
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return 10 * ++foo.x;
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}
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macro @macro_with_body(foo, &x; @body(x, y))
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{
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x = foo.x;
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@body(foo.mutate(), x);
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}
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macro @repeat(int times; @body(x))
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{
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for (int i = 0; i < times; i++)
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{
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@body(i + 1);
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}
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}
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fn void main()
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{
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Foo f = { 33 };
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int y;
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@macro_with_body(f, y; int x, int dy)
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{
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printf("Got values %d, %d\n", x, dy);
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};
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@repeat(10; int loop)
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{
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printf("Repeat %d\n", loop);
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};
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}
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/* #expect: withbody.ll
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define i32 @withbody_Foo_mutate(%Foo* %0) #0 {
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entry:
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%1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i32 0, i32 0))
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%2 = getelementptr inbounds %Foo, %Foo* %0, i32 0, i32 0
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%3 = load i32, i32* %2, align 8
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%add = add i32 %3, 1
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store i32 %add, i32* %2, align 8
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%mul = mul i32 10, %add
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ret i32 %mul
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}
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define void @withbody_main() #0 {
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entry:
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%f = alloca %Foo, align 4
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%y = alloca i32, align 4
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%foo = alloca %Foo, align 4
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%x = alloca i32, align 4
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%dy = alloca i32, align 4
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%times = alloca i32, align 4
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%i = alloca i32, align 4
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%loop = alloca i32, align 4
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%0 = bitcast %Foo* %f to i8*
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %0, i8* align 4 bitcast (%Foo* @.__const to i8*), i32 4, i1 false)
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store i32 0, i32* %y, align 4
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%1 = bitcast %Foo* %foo to i8*
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%2 = bitcast %Foo* %f to i8*
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %1, i8* align 4 %2, i32 4, i1 false)
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%3 = getelementptr inbounds %Foo, %Foo* %foo, i32 0, i32 0
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%4 = load i32, i32* %3, align 4
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store i32 %4, i32* %y, align 4
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%5 = call i32 @withbody_Foo_mutate(%Foo* %foo)
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store i32 %5, i32* %x, align 4
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%6 = load i32, i32* %y, align 4
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store i32 %6, i32* %dy, align 4
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%7 = load i32, i32* %x, align 4
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%8 = load i32, i32* %dy, align 4
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%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i32 0, i32 0), i32 %7, i32 %8)
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store i32 10, i32* %times, align 4
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store i32 0, i32* %i, align 4
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br label %loop.cond
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loop.cond: ; preds = %loop.body, %entry
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%10 = load i32, i32* %i, align 4
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%11 = load i32, i32* %times, align 4
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%lt = icmp slt i32 %10, %11
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br i1 %lt, label %loop.body, label %loop.exit
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loop.body: ; preds = %loop.cond
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%12 = load i32, i32* %i, align 4
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%add = add i32 %12, 1
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store i32 %add, i32* %loop, align 4
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%13 = load i32, i32* %loop, align 4
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%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i32 0, i32 0), i32 %13)
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%15 = load i32, i32* %i, align 4
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%add1 = add i32 %15, 1
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store i32 %add1, i32* %i, align 4
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br label %loop.cond
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loop.exit: ; preds = %loop.cond
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ret void
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}
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