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637c98a18d
Retry r275776 (no changes, we suspect the issue was with another commit). The current logic for handling inline asm operands in DAGToDAGISel interprets the operands by looking for constants, which should represent the flags describing the kind of operand we're dealing with (immediate, memory, register def etc). The operands representing actual data are skipped only if they are non-const, with the exception of immediate operands which are skipped explicitly when a flag describing an immediate is found. The oversight is that memory operands may be const too (e.g. for device drivers reading a fixed address), so we should explicitly skip the operand following a flag describing a memory operand. If we don't, we risk interpreting that constant as a flag, which is definitely not intended. Fixes PR26038 Differential Revision: https://reviews.llvm.org/D22103 llvm-svn: 276101 |
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