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c3c/test/test_suite/statements/foreach_with_only_ref.c3t
2025-10-02 21:24:05 +02:00

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// #target: macos-x64
module test;
import std;
struct Foo { int a; }
fn usz Foo.len(&self) @operator(len) => 1;
fn int* Foo.get_ref(&self, usz idx) @operator(&[]) => &self.a;
fn void test(int a) {}
fn void main()
{
Foo x = { 100 };
foreach (a : x) test(a);
}
/* #expect: test.ll
define void @test.main() #0 {
entry:
%x = alloca %Foo, align 4
%.anon = alloca i64, align 8
%a = alloca i32, align 4
call void @llvm.memcpy.p0.p0.i32(ptr align 4 %x, ptr align 4 @.__const, i32 4, i1 false)
%0 = call i64 @test.Foo.len(ptr %x)
store i64 0, ptr %.anon, align 8
br label %loop.cond
loop.cond: ; preds = %loop.body, %entry
%1 = load i64, ptr %.anon, align 8
%lt = icmp ult i64 %1, %0
br i1 %lt, label %loop.body, label %loop.exit
loop.body: ; preds = %loop.cond
%2 = load i64, ptr %.anon, align 8
%3 = call ptr @test.Foo.get_ref(ptr %x, i64 %2)
%4 = load i32, ptr %3, align 4
store i32 %4, ptr %a, align 4
%5 = load i32, ptr %a, align 4
call void @test.test(i32 %5)
%6 = load i64, ptr %.anon, align 8
%addnuw = add nuw i64 %6, 1
store i64 %addnuw, ptr %.anon, align 8
br label %loop.cond
loop.exit: ; preds = %loop.cond
ret void
}