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TheRock/compiler/amd-llvm/flang-rt/test/Runtime/no-cpp-dep.c
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

45 lines
1.4 KiB
C

/*
This test makes sure that flang's runtime does not depend on the C++ runtime
library. It tries to link this simple file against libflang_rt.runtime.a with
a C compiler.
UNSUPPORTED: system-windows
UNSUPPORTED: offload-cuda
RUN: %if system-aix %{ export OBJECT_MODE=64 %}
RUN: %cc -std=c99 %s %isysroot -I%include -L"%libdir" -lflang_rt.runtime -lm \
RUN: %if system-aix %{-lpthread %}
RUN: rm a.out
*/
#include "flang/Runtime/entry-names.h"
#include <stdint.h>
/*
Manually add declarations for the runtime functions that we want to make sure
we're testing. We can't include any headers directly since they likely contain
C++ code that would explode here.
*/
struct EnvironmentDefaultList;
struct Descriptor;
double RTNAME(CpuTime)();
void RTNAME(ProgramStart)(
int, const char *[], const char *[], const struct EnvironmentDefaultList *);
int32_t RTNAME(ArgumentCount)();
int32_t RTNAME(GetCommandArgument)(int32_t, const struct Descriptor *,
const struct Descriptor *, const struct Descriptor *);
int32_t RTNAME(GetEnvVariable)();
int64_t RTNAME(SystemClockCount)(int kind);
int main() {
double x = RTNAME(CpuTime)();
RTNAME(ProgramStart)(0, 0, 0, 0);
int32_t c = RTNAME(ArgumentCount)();
int32_t v = RTNAME(GetCommandArgument)(0, 0, 0, 0);
int32_t e = RTNAME(GetEnvVariable)("FOO", 0, 0);
int64_t t = RTNAME(SystemClockCount)(8);
return x + c + v + e;
}