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Make the contents of encoded sections SmallVector<char, N> instead of

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SmallString. This makes it possible to use the length-erased SmallVectorImpl
in the interface without imposing buffer size. Thus, the size of MCInstFragment
is back down since a preallocated 8-byte contents buffer is enough.

It would be generally a good idea to rid all the fragments of SmallString as
contents, because a vector just makes more sense.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169644 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Bendersky
2012-12-07 22:06:56 +00:00
parent af59e9adbd
commit 550f0ade45
4 changed files with 23 additions and 17 deletions
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16
include/llvm/MC/MCAssembler.h
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@@ -113,8 +113,8 @@ public:
typedef SmallVectorImpl<MCFixup>::const_iterator const_fixup_iterator;
typedef SmallVectorImpl<MCFixup>::iterator fixup_iterator;
virtual SmallString<32> &getContents() = 0;
virtual const SmallString<32> &getContents() const = 0;
virtual SmallVectorImpl<char> &getContents() = 0;
virtual const SmallVectorImpl<char> &getContents() const = 0;
virtual SmallVectorImpl<MCFixup> &getFixups() = 0;
virtual const SmallVectorImpl<MCFixup> &getFixups() const = 0;
@@ -132,7 +132,7 @@ public:
class MCDataFragment : public MCEncodedFragment {
virtual void anchor();
SmallString<32> Contents;
SmallVector<char, 32> Contents;
/// Fixups - The list of fixups in this fragment.
SmallVector<MCFixup, 4> Fixups;
@@ -142,8 +142,8 @@ public:
: MCEncodedFragment(FT_Data, SD) {
}
SmallString<32> &getContents() { return Contents; }
const SmallString<32> &getContents() const { return Contents; }
virtual SmallVectorImpl<char> &getContents() { return Contents; }
virtual const SmallVectorImpl<char> &getContents() const { return Contents; }
SmallVectorImpl<MCFixup> &getFixups() {
return Fixups;
@@ -171,7 +171,7 @@ class MCInstFragment : public MCEncodedFragment {
MCInst Inst;
/// Contents - Binary data for the currently encoded instruction.
SmallString<32> Contents;
SmallVector<char, 8> Contents;
/// Fixups - The list of fixups in this fragment.
SmallVector<MCFixup, 1> Fixups;
@@ -181,8 +181,8 @@ public:
: MCEncodedFragment(FT_Inst, SD), Inst(_Inst) {
}
SmallString<32> &getContents() { return Contents; }
const SmallString<32> &getContents() const { return Contents; }
virtual SmallVectorImpl<char> &getContents() { return Contents; }
virtual const SmallVectorImpl<char> &getContents() const { return Contents; }
unsigned getInstSize() const { return Contents.size(); }
const MCInst &getInst() const { return Inst; }