[llvm] Introduce LDBG_OS() macro as a variant of LDBG() (PR #157194)
Andrzej WarzyĆski via llvm-commits
llvm-commits at lists.llvm.org
Mon Sep 8 02:43:34 PDT 2025
================
@@ -128,6 +128,131 @@ TEST(DebugLogTest, DestructorPrefix) {
// After destructors, nothing should have been printed.
EXPECT_EQ(os.str(), "");
}
+
+TEST(DebugLogTest, LDBG_MACROS) {
+ llvm::DebugFlag = true;
+ static const char *DT[] = {"A:3", "B:2"};
+ setCurrentDebugTypes(DT, sizeof(DT) / sizeof(DT[0]));
+ std::string Str;
+ raw_string_ostream DebugOs(Str);
+ std::string StrRef;
+ raw_string_ostream RefOs(StrRef);
+#undef LDBG_STREAM
+#define LDBG_STREAM DebugOs
+#define DEBUG_TYPE "A"
+ LDBG() << "Hello, world!";
+ RefOs << "[A:1] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
+ << " Hello, world!\n";
+ EXPECT_EQ(DebugOs.str(), RefOs.str());
----------------
banach-space wrote:
I don't quite follow this check - where do we tie `DebugOs` and `RefOs`? Does `RefOs` means "reference" ? As in, the expected output?
https://github.com/llvm/llvm-project/pull/157194
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