481bb44baa
On SystemZ, the vector ABI changes depending on the presence of hardware vector support. Therefore, each binary compiled with a visible vector ABI (e.g. one that calls an external function with a vector argument) should be marked with a .gnu_attribute describing this. Reviewed By: uweigand Differential Revision: https://reviews.llvm.org/D105067
38 lines
910 B
C
38 lines
910 B
C
// RUN: %clang_cc1 -triple s390x-ibm-linux -emit-llvm -fzvector -o - %s 2>&1 \
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// RUN: | FileCheck %s
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//
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// Test that the "s390x-visible-vector-ABI" module flag is not emitted.
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// Use of va_arg with a scalar type.
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#include <stdarg.h>
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int fun0(va_list vl) {
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return va_arg(vl, int);
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}
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typedef __attribute__((vector_size(16))) int v4i32;
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// Declaring unused global function with vector argument and return values;
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v4i32 globfun(v4i32 Arg);
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// Declaring global scalar variable used below.
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int GlobVal;
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// Declaring extern global scalar variable used below.
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extern int GlobExtVar;
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// Local vector variable used below.
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static v4i32 Var;
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// Local function with vector argument and return values;
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static v4i32 foo(v4i32 Arg) {
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Var = Var + Arg;
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return Var;
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}
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int fun1() {
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v4i32 V = {1, 2, 3, 4};
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return foo(V)[0] + GlobVal + GlobExtVar;
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}
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//CHECK-NOT: !{i32 2, !"s390x-visible-vector-ABI", i32 1}
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