Add a -disable-cfi option to llvm-mc. This is useful for debugging as
it will expand any .cfi_* directives in the input assembly.
Unfortunately this cannot replace elf-dump in tests as the asm streamer
cannot relax the line advance opcodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168522 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index f7c3748..8329a41 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -69,6 +69,9 @@
RelaxAll("mc-relax-all", cl::desc("Relax all fixups"));
static cl::opt<bool>
+DisableCFI("disable-cfi", cl::desc("Do not use .cfi_* directives"));
+
+static cl::opt<bool>
NoExecStack("mc-no-exec-stack", cl::desc("File doesn't need an exec stack"));
enum OutputFileType {
@@ -415,9 +418,10 @@
CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, *STI, Ctx);
MAB = TheTarget->createMCAsmBackend(TripleName, MCPU);
}
+ bool UseCFI = !DisableCFI;
Str.reset(TheTarget->createAsmStreamer(Ctx, FOS, /*asmverbose*/true,
/*useLoc*/ true,
- /*useCFI*/ true,
+ UseCFI,
/*useDwarfDirectory*/ true,
IP, CE, MAB, ShowInst));