03bf001b6d
On ARM, a C fallback version of __kmp_invoke_microtask is used,
which only handles up to a fixed number of arguments - while
many-microtask-args.c tests that the function can handle an
arbitrarily large number of arguments (the testcase produces 17
arguments).
On the CMake level, we can't add ${LIBOMP_ARCH} directly to
OPENMP_TEST_COMPILER_FEATURES in OpenMPTesting.cmake, since
that file is parsed before LIBOMP_ARCH is set. Instead
convert the feature list into a proper CMake list, and append
${LIBOMP_ARCH} into it before serializing it to an Python array.
Differential Revision: https://reviews.llvm.org/D138738
45 lines
970 B
C
45 lines
970 B
C
// RUN: %libomp-compile-and-run
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#include <stdio.h>
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// This test fails with Clang unless __kmp_invoke_microtask supports at least
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// 17 arguments. On ARM, the fallback C implementation of __kmp_invoke_microtask
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// is used, and that one only currently supports up to 15 arguments.
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// XFAIL: arm
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int main()
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{
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int i;
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int i1 = 0;
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int i2 = 1;
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int i3 = 2;
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int i4 = 3;
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int i5 = 4;
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int i6 = 6;
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int i7 = 7;
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int i8 = 8;
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int i9 = 9;
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int i10 = 10;
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int i11 = 11;
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int i12 = 12;
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int i13 = 13;
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int i14 = 14;
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int i15 = 15;
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int i16 = 16;
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int r = 0;
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#pragma omp parallel for firstprivate(i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, i11, i12, i13, i14, i15, i16) reduction(+:r)
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for (i = 0; i < i16; i++) {
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r += i + i1 + i2 + i3 + i4 + i5 + i6 + i7 + i8 + i9 + i10 + i11 + i12 + i13 + i14 + i15 + i16;
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}
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int rf = 2216;
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if (r != rf) {
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fprintf(stderr, "r should be %d but instead equals %d\n", rf, r);
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return 1;
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}
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return 0;
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}
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