ea7e23c909
Original PR where test was introduced and improvements discussed: https://github.com/llvm/llvm-project/pull/129092#issuecomment-2855337004 Co-authored-by: Mikhail Zakharov <mikhail.zakharov@jetbrains.com>
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
// Tests that ProcessModID.m_memory_id is not bumped when evaluating expressions without side effects.
|
|
|
|
// REQUIRES: target-windows && (target-x86 || target-x86_64)
|
|
// Due to different implementations exact numbers (m_stop_id) are different on different OSs. So we lock this test to specific platform (Windows). It is limited to x86/x64 because on x86/x64, running get()
|
|
// requires that we write the return address to the stack, this does not happen on AArch64.
|
|
|
|
// RUN: %build %s -o %t
|
|
// RUN: %lldb %t \
|
|
// RUN: -o "settings set target.process.track-memory-cache-changes false" \
|
|
// RUN: -o "run" \
|
|
// RUN: -o "process status -d" \
|
|
// RUN: -o "expr x.i != 42" \
|
|
// RUN: -o "process status -d" \
|
|
// RUN: -o "process status -d" \
|
|
// RUN: -o "expr x.get()" \
|
|
// RUN: -o "process status -d" \
|
|
// RUN: -o "process status -d" \
|
|
// RUN: -o "expr x.i = 10" \
|
|
// RUN: -o "process status -d" \
|
|
// RUN: -o "process status -d" \
|
|
// RUN: -o "continue" \
|
|
// RUN: -o "process status -d" \
|
|
// RUN: -o "exit" | FileCheck %s -dump-input=fail
|
|
|
|
class X {
|
|
int i = 0;
|
|
|
|
public:
|
|
int get() { return i; }
|
|
};
|
|
|
|
int main() {
|
|
X x;
|
|
x.get();
|
|
|
|
__builtin_debugtrap();
|
|
__builtin_debugtrap();
|
|
return 0;
|
|
}
|
|
|
|
// CHECK-LABEL: process status -d
|
|
// CHECK: m_stop_id: [[#STOP_ID:]]
|
|
// CHECK: m_memory_id: [[#MEMORY_ID:]]
|
|
|
|
// CHECK-LABEL: expr x.i != 42
|
|
// IDs are not changed when executing simple expressions
|
|
|
|
// CHECK-LABEL: process status -d
|
|
// CHECK: m_stop_id: [[#STOP_ID]]
|
|
// CHECK: m_memory_id: [[#MEMORY_ID]]
|
|
|
|
// CHECK-LABEL: process status -d
|
|
// Remember new values
|
|
// CHECK: m_stop_id: [[#STOP_ID:]]
|
|
// CHECK: m_memory_id: [[#MEMORY_ID:]]
|
|
|
|
// CHECK-LABEL: expr x.get()
|
|
// Expression causes ID to be bumped because LLDB has to execute function and in doing
|
|
// so must write the return address to the stack.
|
|
|
|
// CHECK-LABEL: process status -d
|
|
// CHECK-NOT: m_stop_id: [[#STOP_ID]]
|
|
// CHECK-NOT: m_memory_id: [[#MEMORY_ID]]
|
|
|
|
// CHECK-LABEL: process status -d
|
|
// Remember new values
|
|
// CHECK: m_stop_id: [[#STOP_ID:]]
|
|
// CHECK: m_memory_id: [[#MEMORY_ID:]]
|
|
|
|
// CHECK-LABEL: expr x.i = 10
|
|
// Expression causes MemoryID to be bumped because LLDB writes to non-cache memory
|
|
|
|
// CHECK-LABEL: process status -d
|
|
// CHECK: m_stop_id: [[#STOP_ID]]
|
|
// CHECK-NOT: m_memory_id: [[#MEMORY_ID]]
|
|
|
|
// CHECK-LABEL: process status -d
|
|
// Remember new values
|
|
// CHECK: m_stop_id: [[#STOP_ID:]]
|
|
// CHECK: m_memory_id: [[#MEMORY_ID:]]
|
|
|
|
// CHECK-LABEL: continue
|
|
// Continue causes StopID to be bumped because process is resumed
|
|
|
|
// CHECK-LABEL: process status -d
|
|
// CHECK-NOT: m_stop_id: [[#STOP_ID]]
|
|
// CHECK: m_memory_id: [[#MEMORY_ID]]
|