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- Vectors not converted to arrays when passed as raw vaargs. #2776

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This commit is contained in:
Christoffer Lerno
2026-01-20 16:46:47 +01:00
parent cdabe8fd9e
commit 3fe55b5e51
3 changed files with 47 additions and 1 deletions
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39
test/test_suite/abi/sysv_abi_vaarg_vector.c3t Normal file
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@@ -0,0 +1,39 @@
// #target: linux-x64
// #opt: --x86cpu=avx512
module test;
import libc;
fn void testi()
{
int[<4>] y = { 1, 2, 3, 4 };
libc::printf("", y[0], y );
}
fn void main()
{
testi();
}
/* #expect: test.ll
define void @test.testi() #0 {
entry:
%y = alloca <4 x i32>, align 16
%taddr = alloca [4 x i32], align 16
store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, ptr %y, align 16
%0 = load <4 x i32>, ptr %y, align 16
%1 = extractelement <4 x i32> %0, i64 0
%2 = load <4 x i32>, ptr %y, align 16
%3 = extractelement <4 x i32> %2, i64 0
%4 = insertvalue [4 x i32] undef, i32 %3, 0
%5 = extractelement <4 x i32> %2, i64 1
%6 = insertvalue [4 x i32] %4, i32 %5, 1
%7 = extractelement <4 x i32> %2, i64 2
%8 = insertvalue [4 x i32] %6, i32 %7, 2
%9 = extractelement <4 x i32> %2, i64 3
%10 = insertvalue [4 x i32] %8, i32 %9, 3
store [4 x i32] %10, ptr %taddr, align 16
%lo = load i64, ptr %taddr, align 16
%ptradd = getelementptr inbounds i8, ptr %taddr, i64 8
%hi = load i64, ptr %ptradd, align 8
%11 = call i32 (ptr, ...) @printf(ptr @.str, i32 %1, i64 %lo, i64 %hi)
ret void
}