105 lines
4.8 KiB
C++
105 lines
4.8 KiB
C++
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// RUN: %clang_cc1 -triple %itanium_abi_triple %s -o - -emit-llvm -fprofile-instrument=clang -fcoverage-mapping -fcoverage-mcdc | FileCheck %s -check-prefix=MCDCCTOR
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// RUN: %clang_cc1 -triple %itanium_abi_triple %s -o - -emit-llvm -fprofile-instrument=clang -fcoverage-mapping -fcoverage-mcdc | FileCheck %s -check-prefix=MCDCDTOR
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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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// MCDC BOOKKEEPING.
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// MCDCCTOR: @__profbm__ZN5ValueC2Ev = private global [1 x i8] zeroinitializer
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// MCDCCTOR: @__profc__ZN5ValueC2Ev = private global [4 x i64] zeroinitializer
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// ALLOCATE MCDC TEMP AND ZERO IT.
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// MCDCCTOR-LABEL: @_ZN5ValueC2Ev(
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// MCDCCTOR: %mcdc.addr = alloca i32, align 4
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// MCDCCTOR: store i32 0, ptr %mcdc.addr, align 4
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// SHIFT FIRST CONDITION WITH ID = 0.
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// MCDCCTOR: %[[LAB1:[0-9]+]] = load i32, ptr %value, align 4
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// MCDCCTOR-DAG: %[[BOOL:cmp[0-9]*]] = icmp ne i32 %[[LAB1]], 2
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// MCDCCTOR-DAG: %[[TEMP:mcdc.temp[0-9]*]] = load i32, ptr %mcdc.addr, align 4
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// MCDCCTOR-DAG: %[[LAB2:[0-9]+]] = zext i1 %[[BOOL]] to i32
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// MCDCCTOR-DAG: %[[LAB3:[0-9]+]] = shl i32 %[[LAB2]], 0
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// MCDCCTOR-DAG: %[[LAB4:[0-9]+]] = or i32 %[[TEMP]], %[[LAB3]]
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// MCDCCTOR-DAG: store i32 %[[LAB4]], ptr %mcdc.addr, align 4
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// SHIFT SECOND CONDITION WITH ID = 1.
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// MCDCCTOR: %[[LAB1:[0-9]+]] = load i32, ptr %value2, align 4
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// MCDCCTOR-DAG: %[[BOOL:cmp[0-9]*]] = icmp ne i32 %[[LAB1]], 6
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// MCDCCTOR-DAG: %[[TEMP:mcdc.temp[0-9]*]] = load i32, ptr %mcdc.addr, align 4
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// MCDCCTOR-DAG: %[[LAB2:[0-9]+]] = zext i1 %[[BOOL]] to i32
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// MCDCCTOR-DAG: %[[LAB3:[0-9]+]] = shl i32 %[[LAB2]], 1
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// MCDCCTOR-DAG: %[[LAB4:[0-9]+]] = or i32 %[[TEMP]], %[[LAB3]]
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// MCDCCTOR-DAG: store i32 %[[LAB4]], ptr %mcdc.addr, align 4
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// UPDATE FINAL BITMASK WITH RESULT.
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// MCDCCTOR-DAG: %[[TEMP:mcdc.temp[0-9]*]] = load i32, ptr %mcdc.addr, align 4
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// MCDCCTOR: %[[LAB1:[0-9]+]] = lshr i32 %[[TEMP]], 3
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// MCDCCTOR: %[[LAB2:[0-9]+]] = zext i32 %[[LAB1]] to i64
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// MCDCCTOR: %[[LAB3:[0-9]+]] = add i64 ptrtoint (ptr @__profbm__ZN5ValueC2Ev to i64), %[[LAB2]]
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// MCDCCTOR: %[[LAB4:[0-9]+]] = inttoptr i64 %[[LAB3]] to ptr
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// MCDCCTOR: %[[LAB5:[0-9]+]] = and i32 %[[TEMP]], 7
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// MCDCCTOR: %[[LAB6:[0-9]+]] = trunc i32 %[[LAB5]] to i8
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// MCDCCTOR: %[[LAB7:[0-9]+]] = shl i8 1, %[[LAB6]]
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// MCDCCTOR: %mcdc.bits = load i8, ptr %[[LAB4]], align 1
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// MCDCCTOR: %[[LAB8:[0-9]+]] = or i8 %mcdc.bits, %[[LAB7]]
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// MCDCCTOR: store i8 %[[LAB8]], ptr %[[LAB4]], align 1
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// MCDCDTOR: @__profbm__ZN5ValueD2Ev = private global [1 x i8] zeroinitializer
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// MCDCDTOR: @__profc__ZN5ValueD2Ev = private global [4 x i64] zeroinitializer
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// ALLOCATE MCDC TEMP AND ZERO IT.
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// MCDCDTOR-LABEL: @_ZN5ValueD2Ev(
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// MCDCDTOR: %mcdc.addr = alloca i32, align 4
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// MCDCDTOR: store i32 0, ptr %mcdc.addr, align 4
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// SHIFT FIRST CONDITION WITH ID = 0.
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// MCDCDTOR: %[[LAB1:[0-9]+]] = load i32, ptr %value, align 4
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// MCDCDTOR-DAG: %[[BOOL:cmp[0-9]*]] = icmp ne i32 %[[LAB1]], 2
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// MCDCDTOR-DAG: %[[TEMP:mcdc.temp[0-9]*]] = load i32, ptr %mcdc.addr, align 4
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// MCDCDTOR-DAG: %[[LAB2:[0-9]+]] = zext i1 %[[BOOL]] to i32
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// MCDCDTOR-DAG: %[[LAB3:[0-9]+]] = shl i32 %[[LAB2]], 0
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// MCDCDTOR-DAG: %[[LAB4:[0-9]+]] = or i32 %[[TEMP]], %[[LAB3]]
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// MCDCDTOR-DAG: store i32 %[[LAB4]], ptr %mcdc.addr, align 4
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// SHIFT SECOND CONDITION WITH ID = 1.
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// MCDCDTOR: %[[LAB1:[0-9]+]] = load i32, ptr %value2, align 4
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// MCDCDTOR-DAG: %[[BOOL:cmp[0-9]*]] = icmp ne i32 %[[LAB1]], 3
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// MCDCDTOR-DAG: %[[TEMP:mcdc.temp[0-9]*]] = load i32, ptr %mcdc.addr, align 4
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// MCDCDTOR-DAG: %[[LAB2:[0-9]+]] = zext i1 %[[BOOL]] to i32
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// MCDCDTOR-DAG: %[[LAB3:[0-9]+]] = shl i32 %[[LAB2]], 1
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// MCDCDTOR-DAG: %[[LAB4:[0-9]+]] = or i32 %[[TEMP]], %[[LAB3]]
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// MCDCDTOR-DAG: store i32 %[[LAB4]], ptr %mcdc.addr, align 4
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// UPDATE FINAL BITMASK WITH RESULT.
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// MCDCDTOR-DAG: %[[TEMP:mcdc.temp[0-9]*]] = load i32, ptr %mcdc.addr, align 4
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// MCDCDTOR: %[[LAB1:[0-9]+]] = lshr i32 %[[TEMP]], 3
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// MCDCDTOR: %[[LAB2:[0-9]+]] = zext i32 %[[LAB1]] to i64
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// MCDCDTOR: %[[LAB3:[0-9]+]] = add i64 ptrtoint (ptr @__profbm__ZN5ValueD2Ev to i64), %[[LAB2]]
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// MCDCDTOR: %[[LAB4:[0-9]+]] = inttoptr i64 %[[LAB3]] to ptr
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// MCDCDTOR: %[[LAB5:[0-9]+]] = and i32 %[[TEMP]], 7
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// MCDCDTOR: %[[LAB6:[0-9]+]] = trunc i32 %[[LAB5]] to i8
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// MCDCDTOR: %[[LAB7:[0-9]+]] = shl i8 1, %[[LAB6]]
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// MCDCDTOR: %mcdc.bits = load i8, ptr %[[LAB4]], align 1
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// MCDCDTOR: %[[LAB8:[0-9]+]] = or i8 %mcdc.bits, %[[LAB7]]
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// MCDCDTOR: store i8 %[[LAB8]], ptr %[[LAB4]], align 1
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