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Commit Graph

Author	SHA1	Message	Date
NAKAMURA Takumi	cdfe1d1cdb	llvm/test/CodeGen/X86/pr12312.ll: Add -mtriple=x86_64-unknown-unknown. llvm-svn: 162736	2012-08-28 04:04:29 +00:00
Michael Liao	b7d85b6328	Fix PR12312 - Add a target-specific DAG optimization to recognize a pattern PTEST-able. Such a pattern is a OR'd tree with X86ISD::OR as the root node. When X86ISD::OR node has only its flag result being used as a boolean value and all its leaves are extracted from the same vector, it could be folded into an X86ISD::PTEST node. llvm-svn: 162735	2012-08-28 03:34:40 +00:00

Author

SHA1

Message

Date

NAKAMURA Takumi

cdfe1d1cdb

llvm/test/CodeGen/X86/pr12312.ll: Add -mtriple=x86_64-unknown-unknown.

llvm-svn: 162736

2012-08-28 04:04:29 +00:00

Michael Liao

b7d85b6328

Fix PR12312

- Add a target-specific DAG optimization to recognize a pattern PTEST-able.
  Such a pattern is a OR'd tree with X86ISD::OR as the root node. When
  X86ISD::OR node has only its flag result being used as a boolean value and
  all its leaves are extracted from the same vector, it could be folded into an
  X86ISD::PTEST node.

llvm-svn: 162735

2012-08-28 03:34:40 +00:00

2 Commits