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Diffstat (limited to 'clang/test/Analysis/array-struct-region.c')
-rw-r--r-- | clang/test/Analysis/array-struct-region.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/clang/test/Analysis/array-struct-region.c b/clang/test/Analysis/array-struct-region.c new file mode 100644 index 0000000..4b085c8 --- /dev/null +++ b/clang/test/Analysis/array-struct-region.c @@ -0,0 +1,47 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core,experimental.deadcode.UnreachableCode -analyzer-store=region -analyzer-constraints=basic -verify %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core,experimental.deadcode.UnreachableCode -analyzer-store=region -analyzer-constraints=range -verify %s + +int string_literal_init() { + char a[] = "abc"; + char b[2] = "abc"; // expected-warning{{too long}} + char c[5] = "abc"; + + if (a[1] != 'b') + return 0; // expected-warning{{never executed}} + if (b[1] != 'b') + return 0; // expected-warning{{never executed}} + if (c[1] != 'b') + return 0; // expected-warning{{never executed}} + + if (a[3] != 0) + return 0; // expected-warning{{never executed}} + if (c[3] != 0) + return 0; // expected-warning{{never executed}} + + if (c[4] != 0) + return 0; // expected-warning{{never executed}} + + return 42; +} + +void nested_compound_literals(int rad) { + int vec[6][2] = {{0.195, 0.02}, {0.383, 0.067}, {0.55, 0.169}, // expected-warning 6 {{implicit conversion turns literal floating-point number into integer}} + {0.831, 0.45}, {0.924, 0.617}, {0.98, 0.805}}; // expected-warning 6 {{implicit conversion turns literal floating-point number into integer}} + int a; + + for (a = 0; a < 6; ++a) { + vec[a][0] *= rad; // no-warning + vec[a][1] *= rad; // no-warning + } +} + +void nested_compound_literals_float(float rad) { + float vec[6][2] = {{0.195, 0.02}, {0.383, 0.067}, {0.55, 0.169}, + {0.831, 0.45}, {0.924, 0.617}, {0.98, 0.805}}; + int a; + + for (a = 0; a < 6; ++a) { + vec[a][0] *= rad; // no-warning + vec[a][1] *= rad; // no-warning + } +} |