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add a new EmitInlineAsm function to asmprinter to handle inline asm.

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If we have an MCAsmStreamer, we continue to emit asm textually, 
otherwise we (currently) emit an error to errs and ignore it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100289 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-04-03 21:35:55 +00:00
parent 47b7e5dae9
commit 91bead7905
5 changed files with 64 additions and 9 deletions
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22
lib/MC/MCAsmStreamer.cpp
View File

@@ -68,6 +68,9 @@ public:
/// isVerboseAsm - Return true if this streamer supports verbose assembly at
/// all.
virtual bool isVerboseAsm() const { return IsVerboseAsm; }
/// hasRawTextSupport - We support EmitRawText.
virtual bool hasRawTextSupport() const { return true; }
/// AddComment - Add a comment that can be emitted to the generated .s
/// file if applicable as a QoI issue to make the output of the compiler
@@ -145,6 +148,11 @@ public:
virtual void EmitInstruction(const MCInst &Inst);
/// EmitRawText - If this file is backed by a assembly streamer, this dumps
/// the specified string in the output .s file. This capability is
/// indicated by the hasRawTextSupport() predicate.
virtual void EmitRawText(StringRef String);
virtual void Finish();
/// @}
@@ -195,7 +203,6 @@ void MCAsmStreamer::EmitCommentsAndEOL() {
CommentStream.resync();
}
static inline int64_t truncateToSize(int64_t Value, unsigned Bytes) {
assert(Bytes && "Invalid size!");
return Value & ((uint64_t) (int64_t) -1 >> (64 - Bytes * 8));
@@ -634,6 +641,19 @@ void MCAsmStreamer::EmitInstruction(const MCInst &Inst) {
EmitEOL();
}
/// EmitRawText - If this file is backed by a assembly streamer, this dumps
/// the specified string in the output .s file. This capability is
/// indicated by the hasRawTextSupport() predicate.
void MCAsmStreamer::EmitRawText(StringRef String) {
if (!CommentToEmit.empty() || CommentStream.GetNumBytesInBuffer() != 0)
EmitCommentsAndEOL();
OS << String;
if (!String.empty() && String.back() != '\n')
OS << '\n';
}
void MCAsmStreamer::Finish() {
OS.flush();
}

9
lib/MC/MCStreamer.cpp
View File

@@ -44,3 +44,12 @@ void MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue,
for (uint64_t i = 0, e = NumBytes; i != e; ++i)
EmitValue(E, 1, AddrSpace);
}
/// EmitRawText - If this file is backed by a assembly streamer, this dumps
/// the specified string in the output .s file. This capability is
/// indicated by the hasRawTextSupport() predicate.
void MCStreamer::EmitRawText(StringRef String) {
errs() << "EmitRawText called on an MCStreamer that doesn't support it, "
" something must not be fully mc'ized\n";
abort();
}