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Keep the MCSubtargetInfo in the MCRelxableFragment class.

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Needed to fix PR18303 to correctly re-encode the instruction if it
is relaxed.

We keep a copy of the MCSubtargetInfo to make sure that we are not
effected by future changes to the subtarget info coming from the
assembler (e.g. when parsing .code 16 directived).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200347 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Woodhouse
2014-01-28 23:12:53 +00:00
parent d5d381b762
commit 41c8ba9d61
3 changed files with 15 additions and 4 deletions
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2
lib/MC/MCObjectStreamer.cpp
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@@ -230,7 +230,7 @@ void MCObjectStreamer::EmitInstToFragment(const MCInst &Inst,
const MCSubtargetInfo &STI) {
// Always create a new, separate fragment here, because its size can change
// during relaxation.
MCRelaxableFragment *IF = new MCRelaxableFragment(Inst);
MCRelaxableFragment *IF = new MCRelaxableFragment(Inst, STI);
insert(IF);
SmallString<128> Code;