9455da0ea9
The codepath already only works for source bits > target bits, it's just that it was testing for the source expr bits to be exactly 64. This meant simple cases (int i = x_long / 2) were missed & ended up under the general -Wconversion warning, which a user might not have enabled. llvm-svn: 154626
20 lines
529 B
C
20 lines
529 B
C
// RUN: %clang_cc1 -fsyntax-only -verify -Wshorten-64-to-32 -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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// rdar://9546171
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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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