// #target: macos-x64 // Struct-in-union bug #2087 module test; union Vec3 { struct { float x, y, z; } float[3] e; } fn void test(Vec3 v) { } fn int main() { test((Vec3){1,2,3}); return 0; } /* #expect: test.ll define void @test.test(<2 x float> %0, float %1) #0 { entry: %v = alloca %Vec3, align 8 store <2 x float> %0, ptr %v, align 8 %ptradd = getelementptr inbounds i8, ptr %v, i64 8 store float %1, ptr %ptradd, align 8 ret void } define i32 @main() #0 { entry: %literal = alloca %Vec3, align 4 %coerce = alloca %Vec3, align 8 call void @llvm.memcpy.p0.p0.i32(ptr align 4 %literal, ptr align 4 @.__const, i32 12, i1 false) call void @llvm.memcpy.p0.p0.i32(ptr align 8 %coerce, ptr align 4 %literal, i32 12, i1 false) %lo = load <2 x float>, ptr %coerce, align 8 %ptradd = getelementptr inbounds i8, ptr %coerce, i64 8 %hi = load float, ptr %ptradd, align 8 call void @test.test(<2 x float> %lo, float %hi) ret i32 0 }