forked from OSchip/llvm-project
42 lines
1023 B
C++
42 lines
1023 B
C++
// RUN: %llvmgxx -S -O1 -m32 -emit-llvm %s -o - | grep {store i32} | count 1
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// Test that all 8 bytes of ret in check242 are copied, and only 4 bytes of
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// ret in check93 are copied (the same LLVM struct is used for both).
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typedef __builtin_va_list va_list;
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typedef unsigned long size_t;
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void *memset(void *, int, size_t);
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struct S93 { __attribute__((aligned (8))) void * a; } ;
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extern struct S93 s93;
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struct S93 check93 () {
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struct S93 ret;
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memset (&ret, 0, sizeof (ret));
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ret.a = s93.a;
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return ret; }
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struct S242 { char * a;int b[1]; } ;
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extern struct S242 s242;
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struct S242 check242 () {
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struct S242 ret;
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memset (&ret, 0, sizeof (ret));
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ret.a = s242.a;
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ret.b[0] = s242.b[0];
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return ret; }
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void check93va (int z, ...) {
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struct S93 arg;
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va_list ap;
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__builtin_va_start(ap,z);
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arg = __builtin_va_arg(ap,struct S93);
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__builtin_va_end(ap); }
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void check242va (int z, ...) {
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struct S242 arg;
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va_list ap;
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__builtin_va_start(ap,z);
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arg = __builtin_va_arg(ap,struct S242);
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__builtin_va_end(ap); }
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