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| author | Jim Grosbach <grosbach@apple.com> | 2011-03-03 20:01:52 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-03-03 20:01:52 +0000 |
| commit | 0f657b156f3d0890584bedda7294932a20b2ea16 (patch) | |
| tree | 602a6175e69e657edca9118dc66e77417e4f9d84 /include/llvm | |
| parent | 24b17c673076af1bb77dd24096c8d17c734c94bc (diff) | |
| download | llvm-0f657b156f3d0890584bedda7294932a20b2ea16.tar.gz llvm-0f657b156f3d0890584bedda7294932a20b2ea16.tar.bz2 llvm-0f657b156f3d0890584bedda7294932a20b2ea16.tar.xz | |
Allow a target to choose whether to prefer the scavenger emergency spill slot
be next to the frame pointer or the stack pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126956 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm')
| -rw-r--r-- | include/llvm/Target/TargetRegisterInfo.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h index 121091c9b4..af10748ef4 100644 --- a/include/llvm/Target/TargetRegisterInfo.h +++ b/include/llvm/Target/TargetRegisterInfo.h @@ -631,6 +631,13 @@ public: return false; } + /// useFPForScavengingIndex - returns true if the target wants to use + /// frame pointer based accesses to spill to the scavenger emergency spill + /// slot. + virtual bool useFPForScavengingIndex(const MachineFunction &MF) const { + return true; + } + /// requiresFrameIndexScavenging - returns true if the target requires post /// PEI scavenging of registers for materializing frame index constants. virtual bool requiresFrameIndexScavenging(const MachineFunction &MF) const { |