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(parent: f6283fd) | patch
Remove the hack that turned an {S,U}MUL_LOHI with an unused high
authorDan Gohman <gohman@apple.com>
Mon, 25 Feb 2008 21:57:04 +0000 (21:57 +0000)
committerDan Gohman <gohman@apple.com>
Mon, 25 Feb 2008 21:57:04 +0000 (21:57 +0000)
commitfcf81db600385be24baae2dd1c1994150e409a7b
tree38337d98b9e907f0976ac099888117954814ee41tree | snapshot
parentf6283fd27be06021fbe262341be56331bc67786ccommit | diff
Remove the hack that turned an {S,U}MUL_LOHI with an unused high
result into a MUL late in the X86 codegen process. ISD::MUL is
once again Legal on X86, so this is no longer needed. And, the
hack was suboptimal; see PR1874 for details.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47567 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelDAGToDAG.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors