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Simplify eliminateFrameIndex() interface back down now that PEI doesn't need

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to try to re-use scavenged frame index reference registers. rdar://8277890

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112241 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2010-08-26 23:32:16 +00:00
parent 6cd467bd0e
commit fcb4a8ead3
32 changed files with 76 additions and 155 deletions
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10
include/llvm/Target/TargetRegisterInfo.h
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@@ -743,14 +743,8 @@ public:
/// specified instruction, as long as it keeps the iterator pointing at the
/// finished product. SPAdj is the SP adjustment due to call frame setup
/// instruction.
///
/// When -enable-frame-index-scavenging is enabled, the virtual register
/// allocated for this frame index is returned and its value is stored in
/// *Value.
typedef std::pair<unsigned, int> FrameIndexValue;
virtual unsigned eliminateFrameIndex(MachineBasicBlock::iterator MI,
int SPAdj, FrameIndexValue *Value = NULL,
RegScavenger *RS=NULL) const = 0;
virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI,
int SPAdj, RegScavenger *RS=NULL) const = 0;
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.