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(parent: e6fea16) | patch
Add ISD::UNDEF node
authorNate Begeman <natebegeman@mac.com>
Fri, 1 Apr 2005 22:34:39 +0000 (22:34 +0000)
committerNate Begeman <natebegeman@mac.com>
Fri, 1 Apr 2005 22:34:39 +0000 (22:34 +0000)
commitfc1b1dad88a256ab5ab16dd548ad82df8efa2ca9
treebff323ec69fda509212bf7337184b3cb8055ce78tree | snapshot
parente6fea166c312931d01f9850754f0a9f8e9f60571commit | diff
Add ISD::UNDEF node
Teach the SelectionDAG code how to expand and promote it
Have PPC32 LowerCallTo generate ISD::UNDEF for int arg regs used up by fp
  arguments, but not shadowing their value.  This allows us to do the right
  thing with both fixed and vararg floating point arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20988 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/SelectionDAGNodes.h diff | blob | history
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp diff | blob | history
lib/CodeGen/SelectionDAG/SelectionDAG.cpp diff | blob | history
lib/Target/PowerPC/PPCISelPattern.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors