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