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raw_ostream: Simplify write(unsigned char) to match write(const char*, unsigned).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79386 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -185,23 +185,18 @@ void raw_ostream::flush_nonempty() {
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raw_ostream &raw_ostream::write(unsigned char C) {
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raw_ostream &raw_ostream::write(unsigned char C) {
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// Group exceptional cases into a single branch.
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// Group exceptional cases into a single branch.
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if (OutBufCur >= OutBufEnd) {
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if (BUILTIN_EXPECT(OutBufCur >= OutBufEnd, false)) {
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if (BufferMode == Unbuffered) {
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if (BUILTIN_EXPECT(!OutBufStart, false)) {
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write_impl(reinterpret_cast<char*>(&C), 1);
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return *this;
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}
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if (OutBufStart)
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flush_nonempty();
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else {
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SetBuffered();
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// It's possible for the underlying stream to decline
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// buffering, so check this condition again.
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if (BufferMode == Unbuffered) {
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if (BufferMode == Unbuffered) {
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write_impl(reinterpret_cast<char*>(&C), 1);
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write_impl(reinterpret_cast<char*>(&C), 1);
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return *this;
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return *this;
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}
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}
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// Set up a buffer and start over.
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SetBuffered();
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return write(C);
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}
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}
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flush_nonempty();
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}
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}
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*OutBufCur++ = C;
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*OutBufCur++ = C;
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@ -220,6 +215,7 @@ raw_ostream &raw_ostream::write(const char *Ptr, size_t Size) {
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SetBuffered();
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SetBuffered();
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return write(Ptr, Size);
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return write(Ptr, Size);
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}
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}
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// Write out the data in buffer-sized blocks until the remainder
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// Write out the data in buffer-sized blocks until the remainder
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// fits within the buffer.
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// fits within the buffer.
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do {
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do {
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@ -259,12 +255,6 @@ void raw_ostream::copy_to_buffer(const char *Ptr, size_t Size) {
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raw_ostream &raw_ostream::operator<<(const format_object_base &Fmt) {
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raw_ostream &raw_ostream::operator<<(const format_object_base &Fmt) {
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// If we have more than a few bytes left in our output buffer, try
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// If we have more than a few bytes left in our output buffer, try
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// formatting directly onto its end.
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// formatting directly onto its end.
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//
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// FIXME: This test is a bit silly, since if we don't have enough
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// space in the buffer we will have to flush the formatted output
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// anyway. We should just flush upfront in such cases, and use the
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// whole buffer as our scratch pad. Note, however, that this case is
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// also necessary for correctness on unbuffered streams.
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size_t NextBufferSize = 127;
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size_t NextBufferSize = 127;
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if (OutBufEnd-OutBufCur > 3) {
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if (OutBufEnd-OutBufCur > 3) {
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size_t BufferBytesLeft = OutBufEnd-OutBufCur;
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size_t BufferBytesLeft = OutBufEnd-OutBufCur;
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