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Scott Owens 30c301a3e8 [sledge sem] Add a more llair-like LLVM semantics ... Summary: The simple LLVM semantics steps one instruction at a time, but the generated llair does whole blocks at a time, since many individual LLVM instructions can become a single llair expression. We add a bigger-step LLVM semantics that does whole blocks at a time (except that it also stops at function calls, since those end blocks in llair). The steps in this bigger-step semantics should be at the same granularity as the llair steps, making it easier to verify the translation. We add a notion of observation to the LLVM semantics (right now, just global variable writes) and use that to define two top-level semantic functions, which we prove to be equivalent. Reviewed By: jberdine Differential Revision: D17396016 fbshipit-source-id: ee632fb92		6 years ago
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.gitignore	Definie a prelim. AST for llair's semantics	6 years ago
Holmakefile	Add initial mini-LLVM semantics written in HOL4	6 years ago
llairScript.sml	[sledge sem] Start sketching translation correctness	6 years ago
llair_propScript.sml	[sledge sem] Start sketching translation correctness	6 years ago
llvmScript.sml	[sledge sem] Add a more llair-like LLVM semantics	6 years ago
llvm_liveScript.sml	[sledge sem] Add a more llair-like LLVM semantics	6 years ago
llvm_propScript.sml	[sledge sem] Add a more llair-like LLVM semantics	6 years ago
llvm_to_llairScript.sml	[sledge sem] Start sketching translation correctness	6 years ago
llvm_to_llair_propScript.sml	[sledge sem] Start sketching translation correctness	6 years ago
memory_modelScript.sml	[sledge sem] Start sketching translation correctness	6 years ago
miscScript.sml	[sledge sem] Add a more llair-like LLVM semantics	6 years ago
settingsScript.sml	[sledge sem] Add a more llair-like LLVM semantics	6 years ago