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43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
// #target: macos-x64
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module splat;
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extern fn int sum_us(int... x);
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fn void test()
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{
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sum_us(1, 2, 3);
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int[3] x = { 1, 2, 3 };
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int[] z = &x;
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sum_us(...x);
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sum_us(...z);
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sum_us();
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}
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/* #expect: splat.ll
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declare i32 @sum_us(ptr, i64) #0
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%varargslots = alloca [3 x i32], align 4
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%x = alloca [3 x i32], align 4
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%z = alloca %"int[]", align 8
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store i32 1, ptr %varargslots, align 4
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%ptradd = getelementptr inbounds i8, ptr %varargslots, i64 4
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store i32 2, ptr %ptradd, align 4
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%ptradd1 = getelementptr inbounds i8, ptr %varargslots, i64 8
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store i32 3, ptr %ptradd1, align 4
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%0 = call i32 @sum_us(ptr %varargslots, i64 3)
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call void @llvm.memcpy.p0.p0.i32(ptr align 4 %x, ptr align 4 @.__const, i32 12, i1 false)
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%1 = insertvalue %"int[]" undef, ptr %x, 0
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%2 = insertvalue %"int[]" %1, i64 3, 1
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store %"int[]" %2, ptr %z, align 8
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%3 = insertvalue %"int[]" undef, ptr %x, 0
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%4 = insertvalue %"int[]" %3, i64 3, 1
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%5 = call i32 @sum_us(ptr %x, i64 3)
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%lo = load ptr, ptr %z, align 8
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%ptradd2 = getelementptr inbounds i8, ptr %z, i64 8
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%hi = load i64, ptr %ptradd2, align 8
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%6 = call i32 @sum_us(ptr %lo, i64 %hi)
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%7 = call i32 @sum_us(ptr null, i64 0)
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ret void
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} |