search for: inlineasmdataflowcheck

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2018 Nov 26
4
[RFC] Checking inline assembly for validity
...isions, so the above diagnostic is always reported, regardless of whether x and c were allocated in the same register or not. This allows it to catch code which currently works but might break in future. The way this works is: - When the AsmParser reaches an INLINEASM MachineInstr, it creates an InlineAsmDataflowChecker object, which tracks all of the information we need to know about one inline assembly statement. - The AsmPrinter examines the operands to the MachineInstruction, and calls functions on the tracking object to record information about each operand to the inline assembly block, as provided by...