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[js] Remove pointless MakeMRegExpHoistable optimization.

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It's a lot of code with no measurable effect.
This commit is contained in:
wolfbeast 2020-03-18 13:31:19 +01:00 • committed by Roy Tam
commit bc6ac88559
6 changed files with 4 additions and 302 deletions
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10
js/src/jit/MIR.h
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@ -8102,11 +8102,9 @@ class MDefFun
class MRegExp : public MNullaryInstruction
{
CompilerGCPointer<RegExpObject*> source_;
bool mustClone_;
MRegExp(CompilerConstraintList* constraints, RegExpObject* source)
: source_(source),
mustClone_(true)
: source_(source)
{
setResultType(MIRType::Object);
setResultTypeSet(MakeSingletonTypeSet(constraints, source));
@ -8116,12 +8114,6 @@ class MRegExp : public MNullaryInstruction
INSTRUCTION_HEADER(RegExp)
TRIVIAL_NEW_WRAPPERS
void setDoNotClone() {
mustClone_ = false;
}
bool mustClone() const {
return mustClone_;
}
RegExpObject* source() const {
return source_;
}