derek.holloway
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56 lines
2.2 KiB
C++
56 lines
2.2 KiB
C++
// Test to ensure right number of counters are allocated and used for nested
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// logical operators on branch conditions for branch coverage.
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// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++11 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name branch-logical-mixed.cpp %s | FileCheck %s
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// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++11 -fcoverage-mcdc -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name branch-logical-mixed.cpp %s | FileCheck %s
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// CHECK-LABEL: _Z5func1ii:
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bool func1(int a, int b) {
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bool b0 = a <= b;
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bool b1 = a == b;
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bool b2 = a >= b;
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// This should allocate a RHS branch counter on b2 (counter #3).
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bool c = b0 && (b1 || b2);
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// CHECK: Branch,File 0, [[@LINE-1]]:12 -> [[@LINE-1]]:14 = #1, (#0 - #1)
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// CHECK: Branch,File 0, [[@LINE-2]]:19 -> [[@LINE-2]]:21 = (#1 - #2), #2
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// CHECK: Branch,File 0, [[@LINE-3]]:25 -> [[@LINE-3]]:27 = (#2 - #3), #3
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return c;
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}
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// CHECK-LABEL: _Z5func2ii:
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bool func2(int a, int b) {
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bool b0 = a <= b;
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bool b1 = a == b;
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bool b2 = a >= b;
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// This should allocate a RHS branch counter on b1 and b2 (counters #2, #4)
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// This could possibly be further optimized through counter reuse (future).
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bool c = (b0 && b1) || b2;
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// CHECK: Branch,File 0, [[@LINE-1]]:13 -> [[@LINE-1]]:15 = #3, (#0 - #3)
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// CHECK: Branch,File 0, [[@LINE-2]]:19 -> [[@LINE-2]]:21 = #4, (#3 - #4)
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// CHECK: Branch,File 0, [[@LINE-3]]:26 -> [[@LINE-3]]:28 = (#1 - #2), #2
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return c;
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}
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// CHECK-LABEL: _Z5func3ii:
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bool func3(int a, int b) {
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bool b0 = a <= b;
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bool b1 = a == b;
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bool b2 = a >= b;
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bool b3 = a < b;
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// This should allocate a RHS branch counter on b1 and b3 (counters #3, #5)
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// This could possibly be further optimized through counter reuse (future).
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bool c = (b0 || b1) && (b2 || b3);
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// CHECK: Branch,File 0, [[@LINE-1]]:13 -> [[@LINE-1]]:15 = (#0 - #2), #2
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// CHECK: Branch,File 0, [[@LINE-2]]:19 -> [[@LINE-2]]:21 = (#2 - #3), #3
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// CHECK: Branch,File 0, [[@LINE-3]]:27 -> [[@LINE-3]]:29 = (#1 - #4), #4
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// CHECK: Branch,File 0, [[@LINE-4]]:33 -> [[@LINE-4]]:35 = (#4 - #5), #5
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return c;
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}
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