forked from OSchip/llvm-project
27 lines
1.0 KiB
C
27 lines
1.0 KiB
C
// RUN: %clang_analyze_cc1 %s \
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// RUN: -Wno-conversion -Wno-tautological-constant-compare \
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// RUN: -analyzer-checker=core,apiModeling,alpha.core.Conversion \
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// RUN: -analyzer-output=text \
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// RUN: -verify
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unsigned char U8;
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signed char S8;
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void track_assign(void) {
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unsigned long L = 1000; // expected-note {{'L' initialized to 1000}}
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int I = -1; // expected-note {{'I' initialized to -1}}
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U8 *= L; // expected-warning {{Loss of precision in implicit conversion}}
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// expected-note@-1 {{Loss of precision in implicit conversion}}
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L *= I; // expected-warning {{Loss of sign in implicit conversion}}
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// expected-note@-1 {{Loss of sign in implicit conversion}}
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}
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void track_relational(unsigned U, signed S) {
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if (S < -10) { // expected-note {{Taking true branch}}
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// expected-note@-1 {{Assuming the condition is true}}
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if (U < S) { // expected-warning {{Loss of sign in implicit conversion}}
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// expected-note@-1 {{Loss of sign in implicit conversion}}
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}
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}
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}
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