0fcce4fb7b
Summary: Several of these tests have been failing for literal years. Ideally we make efforts to fix this, but keeping these broken has had serious consequences on our testing infrastructure where failures are the norm so almost all test failures are disregarded. I made a tracking issue for the ones that have been disabled. https://github.com/llvm/llvm-project/issues/161265
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
// Use the generic state machine. On some architectures, other threads in the
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// main thread's warp must avoid barrier instructions.
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//
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// RUN: %libomptarget-compile-run-and-check-generic
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// SPMDize. There is no main thread, so there's no issue.
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//
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// RUN: %libomptarget-compile-generic -O2 -foffload-lto -Rpass=openmp-opt > %t.spmd 2>&1
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// RUN: %fcheck-nvptx64-nvidia-cuda -check-prefix=SPMD -input-file=%t.spmd
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// RUN: %fcheck-amdgcn-amd-amdhsa -check-prefix=SPMD -input-file=%t.spmd
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// RUN: %libomptarget-run-generic 2>&1 | %fcheck-generic
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//
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// SPMD: Transformed generic-mode kernel to SPMD-mode.
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// Use the custom state machine, which must avoid the same barrier problem as
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// the generic state machine.
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//
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// RUN: %libomptarget-compile-generic -O2 -foffload-lto -Rpass=openmp-opt \
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// RUN: -Xoffload-linker -mllvm=-openmp-opt-disable-spmdization \
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// RUN: -mllvm -openmp-opt-disable-spmdization > %t.custom 2>&1
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// RUN: %fcheck-nvptx64-nvidia-cuda -check-prefix=CUSTOM -input-file=%t.custom
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// RUN: %fcheck-amdgcn-amd-amdhsa -check-prefix=CUSTOM -input-file=%t.custom
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// RUN: %libomptarget-run-generic 2>&1 | %fcheck-generic
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//
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// Repeat with reduction clause, which has managed to break the custom state
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// machine in the past.
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//
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// RUN: %libomptarget-compile-generic -O2 -foffload-lto -Rpass=openmp-opt \
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// RUN: -DADD_REDUCTION \
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// RUN: -Xoffload-linker -mllvm=-openmp-opt-disable-spmdization \
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// RUN: -mllvm -openmp-opt-disable-spmdization > %t.custom 2>&1
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// RUN: %fcheck-nvptx64-nvidia-cuda -check-prefix=CUSTOM -input-file=%t.custom
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// RUN: %fcheck-amdgcn-amd-amdhsa -check-prefix=CUSTOM -input-file=%t.custom
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// RUN: %libomptarget-run-generic 2>&1 | %fcheck-generic
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//
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// CUSTOM: Rewriting generic-mode kernel with a customized state machine.
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#if ADD_REDUCTION
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#define REDUCTION(...) reduction(__VA_ARGS__)
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#else
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#define REDUCTION(...)
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#endif
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#include <stdio.h>
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int main() {
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int x = 0, y = 1;
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#pragma omp target teams num_teams(1) map(tofrom : x, y) REDUCTION(+ : x)
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{
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x += 5;
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#pragma omp parallel
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y = 6;
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}
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// CHECK: 5, 6
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printf("%d, %d\n", x, y);
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return 0;
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}
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