Lower statepoints with multi-def targets.
authorPat Gavlin <pagavlin@microsoft.com>
Tue, 17 Nov 2015 16:04:21 +0000 (16:04 +0000)
committerPat Gavlin <pagavlin@microsoft.com>
Tue, 17 Nov 2015 16:04:21 +0000 (16:04 +0000)
commit4d186a129b13aab048e427c7f0cb64903e6e2d83
treeb2255c344e2ffba137d73c69f7b5c20067214058
parent7673d242f73b19a7f5f011c9a1679f46ddf8de2a
Lower statepoints with multi-def targets.

Statepoint lowering currently expects that the target method of a
statepoint only defines a single value. This precludes using
statepoints with ABIs that return values in multiple registers
(e.g. the SysV AMD64 ABI). This change adds support for lowering
statepoints with mutli-def targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253339 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/StatepointLowering.cpp
test/CodeGen/X86/statepoint-call-lowering.ll