cab738bea1
To resolve the error, rename mcdc-error-nests.cpp -> mcdc-nested-expr.cpp at first. - `func_condop` A corner case that contains close decisions. - `func_expect` Uses `__builtin_expect`. (#124565) - `func_lnot` Contains logical not(s) `!` among MC/DC binary operators. (#124563)
35 lines
1.5 KiB
C++
35 lines
1.5 KiB
C++
// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++11 -fcoverage-mcdc -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only %s 2> %t.stderr.txt | FileCheck %s
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// RUN: FileCheck %s --check-prefix=WARN < %t.stderr.txt
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// "Split-nest" -- boolean expressions within boolean expressions.
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extern bool bar(bool);
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// CHECK: func_split_nest{{.*}}:
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bool func_split_nest(bool a, bool b, bool c, bool d, bool e, bool f, bool g) {
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// WARN: :[[@LINE+1]]:14: warning: unsupported MC/DC boolean expression; contains an operation with a nested boolean expression.
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bool res = a && b && c && bar(d && e) && f && g;
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return bar(res);
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}
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// The inner expr begins with the same Loc as the outer expr
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// CHECK: func_condop{{.*}}:
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bool func_condop(bool a, bool b, bool c) {
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// WARN: :[[@LINE+1]]:10: warning: unsupported MC/DC boolean expression; contains an operation with a nested boolean expression.
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return (a && b ? true : false) && c;
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}
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// __builtin_expect
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// Treated as parentheses.
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// CHECK: func_expect{{.*}}:
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bool func_expect(bool a, bool b, bool c) {
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// WARN: :[[@LINE+1]]:10: warning: unsupported MC/DC boolean expression; contains an operation with a nested boolean expression.
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return a || __builtin_expect(b && c, true);
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}
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// LNot among BinOp(s)
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// Doesn't split exprs.
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// CHECK: func_lnot{{.*}}:
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bool func_lnot(bool a, bool b, bool c, bool d) {
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// WARN: :[[@LINE+1]]:10: warning: unsupported MC/DC boolean expression; contains an operation with a nested boolean expression.
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return !(a || b) && !(c && d);
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}
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