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author | Matt A. Tobin <email@mattatobin.com> | 2022-06-07 20:20:19 -0500 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2022-06-07 20:20:19 -0500 |
commit | 878ab758d5d4c1ef7badf2bc20ebc7c67dc2165b (patch) | |
tree | 3683d6df35e3618c0e7b456de7c749ca4c8c21a6 /js/src/jit/MIR.h | |
parent | a621951327b0c19c0c24dfd9fd973f7bd13ae68f (diff) | |
parent | cfb9884423faf741de03c5fcc72bf9ac8c6ada4d (diff) | |
download | aura-central-878ab758d5d4c1ef7badf2bc20ebc7c67dc2165b.tar.gz |
Merge branch 'TRUNK' into ARE-5.0
Diffstat (limited to 'js/src/jit/MIR.h')
-rw-r--r-- | js/src/jit/MIR.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h index a398ef334..ea00529e0 100644 --- a/js/src/jit/MIR.h +++ b/js/src/jit/MIR.h @@ -13156,6 +13156,30 @@ class MIsObject return AliasSet::None(); } }; + +class MIsNullOrUndefined + : public MUnaryInstruction, + public BoxInputsPolicy::Data +{ + explicit MIsNullOrUndefined(MDefinition* object) + : MUnaryInstruction(object) + { + setResultType(MIRType::Boolean); + setMovable(); + } + + public: + INSTRUCTION_HEADER(IsNullOrUndefined) + TRIVIAL_NEW_WRAPPERS + NAMED_OPERANDS((0, object)) + + bool congruentTo(const MDefinition* ins) const override { + return congruentIfOperandsEqual(ins); + } + AliasSet getAliasSet() const override { + return AliasSet::None(); + } +}; class MHasClass : public MUnaryInstruction, |