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Temporay hook to enable register scavening for specific targets only.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34513 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-02-23 01:07:04 +00:00
parent 76d7e76c15
commit 5b7d5964c2
1 changed files with 6 additions and 0 deletions
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6
include/llvm/Target/MRegisterInfo.h
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@ -391,6 +391,12 @@ public:
return false;
}
/// requiresRegisterScavenging - returns true if the target requires (and
/// can make use of) the register scavenger.
virtual bool requiresRegisterScavenging() const {
return false;
}
/// hasFP - Return true if the specified function should have a dedicated frame
/// pointer register. For most targets this is true only if the function has
/// variable sized allocas or if frame pointer elimination is disabled.