llvm-project/clang/test/Sema/conversion-implicit-int-includes-64-to-32.c
whisperity 4b72c5e827
[clang][Sema] Subclass -Wshorten-64-to-32 under -Wimplicit-int-conversion (#80814)
Although "implicit int conversions" is supposed to be a superset
containing the more specific "64-to-32" case, previously they were a
disjoint set, only enabled in common in the much larger `-Wconversion`.
2024-02-08 13:37:55 +01:00

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C

// RUN: %clang_cc1 -fsyntax-only -verify -Wimplicit-int-conversion -triple x86_64-apple-darwin %s
int test0(long v) {
return v; // expected-warning {{implicit conversion loses integer precision}}
}
typedef int int4 __attribute__ ((vector_size(16)));
typedef long long long2 __attribute__((__vector_size__(16)));
int4 test1(long2 a) {
int4 v127 = a; // no warning.
return v127;
}
int test2(long v) {
return v / 2; // expected-warning {{implicit conversion loses integer precision: 'long' to 'int'}}
}
char test3(short s) {
return s * 2; // expected-warning {{implicit conversion loses integer precision: 'int' to 'char'}}
}