71f8b441ed
By storing possible test vectors instead of combinations of conditions, the restriction is dramatically relaxed. This introduces two options to `cc1`: * `-fmcdc-max-conditions=32767` * `-fmcdc-max-test-vectors=2147483646` This change makes coverage mapping, profraw, and profdata incompatible with Clang-18. - Bitmap semantics changed. It is incompatible with previous format. - `BitmapIdx` in `Decision` points to the end of the bitmap. - Bitmap is packed per function. - `llvm-cov` can understand `profdata` generated by `llvm-profdata-18`. RFC: https://discourse.llvm.org/t/rfc-coverage-new-algorithm-and-file-format-for-mc-dc/76798 -- Change(s) since llvmorg-19-init-14288-g7ead2d8c7e91 - Update compiler-rt/test/profile/ContinuousSyncMode/image-with-mcdc.c
32 lines
1008 B
C++
32 lines
1008 B
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 | FileCheck %s
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extern void foo();
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extern void bar();
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class Value {
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public:
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void setValue( int len );
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int getValue( void );
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Value(); // This is the constructor declaration
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~Value(); // This is the destructor declaration
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private:
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int value;
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};
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// Member functions definitions including constructor
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Value::Value(void) {
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if (value == 2 || value == 6)
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foo();
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}
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Value::~Value(void) {
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if (value == 2 || value == 3)
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bar();
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}
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// CHECK-LABEL: Decision,File 0, 18:7 -> 18:31 = M:3, C:2
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// CHECK-NEXT: Branch,File 0, 18:7 -> 18:17 = (#0 - #2), #2 [1,0,2]
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// CHECK: Branch,File 0, 18:21 -> 18:31 = (#2 - #3), #3 [2,0,0]
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// CHECK-LABEL: Decision,File 0, 22:7 -> 22:31 = M:3, C:2
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// CHECK-NEXT: Branch,File 0, 22:7 -> 22:17 = (#0 - #2), #2 [1,0,2]
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// CHECK: Branch,File 0, 22:21 -> 22:31 = (#2 - #3), #3 [2,0,0]
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