summaryrefslogtreecommitdiffstats
path: root/llvm/lib/CodeGen/LLVMTargetMachine.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/CodeGen/LLVMTargetMachine.cpp')
-rw-r--r--llvm/lib/CodeGen/LLVMTargetMachine.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LLVMTargetMachine.cpp b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
index 9a776ed0e8d..48c42406e17 100644
--- a/llvm/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
@@ -69,6 +69,8 @@ static cl::opt<bool> ShowMCEncoding("show-mc-encoding", cl::Hidden,
cl::desc("Show encoding in .s output"));
static cl::opt<bool> ShowMCInst("show-mc-inst", cl::Hidden,
cl::desc("Show instruction structure in .s output"));
+static cl::opt<bool> EnableMCLogging("enable-mc-api-logging", cl::Hidden,
+ cl::desc("Enable MC API logging"));
static cl::opt<bool> VerifyMachineCode("verify-machineinstrs", cl::Hidden,
cl::desc("Verify generated machine code"),
cl::init(getenv("LLVM_VERIFY_MACHINEINSTRS")!=NULL));
@@ -168,7 +170,10 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
AsmStreamer.reset(createNullStreamer(*Context));
break;
}
-
+
+ if (EnableMCLogging)
+ AsmStreamer.reset(createLoggingStreamer(AsmStreamer.take(), errs()));
+
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
if (Printer == 0)
OpenPOWER on IntegriCloud