forked from OSchip/llvm-project
42 lines
1.8 KiB
C
42 lines
1.8 KiB
C
// off-no-diagnostics
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// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -verify -fsyntax-only %s
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// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -verify -fsyntax-only %s
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// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -verify=off -Wno-aix-compat -fsyntax-only %s
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// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -verify=off -Wno-aix-compat -fsyntax-only %s
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// RUN: %clang_cc1 -triple powerpc64le-unknown-linux -verify=off -fsyntax-only %s
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// We do not warn on any declaration with a member aligned 16. Only when the struct is passed byval.
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struct R {
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int b[8] __attribute__((aligned(16))); // no-warning
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};
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struct S {
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int a[8] __attribute__((aligned(8))); // no-warning
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int b[8] __attribute__((aligned(16))); // expected-warning {{alignment of 16 bytes for a struct member is not binary compatible with IBM XL C/C++ for AIX 16.1.0 or older}}
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};
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struct T {
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int a[8] __attribute__((aligned(8))); // no-warning
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int b[8] __attribute__((aligned(4))); // no-warning
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};
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int a[8] __attribute__((aligned(8))); // no-warning
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int b[4] __attribute__((aligned(16))); // no-warning
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void baz(int a, int b, int *c, int d, int *e, int f, struct S);
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void jaz(int a, int b, int *c, int d, int *e, int f, struct T);
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void vararg_baz(int a,...);
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static void static_baz(int a, int b, int *c, int d, int *e, int f, struct S sp2) {
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a = *sp2.b + *c + *e;
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}
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void foo(int p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8,
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struct S s, struct T t) {
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baz(p1, p2, s.b, p3, b, p5, s); // expected-note {{passing byval argument 's' with potentially incompatible alignment here}}
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jaz(p1, p2, a, p3, s.a, p5, t); // no-note
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jaz(p1, p2, s.b, p3, b, p5, t); // no-note
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vararg_baz(p1, p2, s.b, p3, b, p5, s); // no-note
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static_baz(p1, p2, s.b, p3, b, p5, s); // no-note
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}
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