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| author | Evan Cheng <evan.cheng@apple.com> | 2008-09-26 19:48:35 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-09-26 19:48:35 +0000 |
| commit | d77cbe8947f115212f157d5d1e3d93ca6c4c8016 (patch) | |
| tree | 0c70d394fa053f3c46a156531d2017308c2f9d73 /llvm/lib/Target/ARM/ARMRegisterInfo.cpp | |
| parent | 9e3f7dbedabd337cdb18446eb4897a0fb404211f (diff) | |
| download | llvm-d77cbe8947f115212f157d5d1e3d93ca6c4c8016.zip llvm-d77cbe8947f115212f157d5d1e3d93ca6c4c8016.tar.gz llvm-d77cbe8947f115212f157d5d1e3d93ca6c4c8016.tar.bz2 | |
Fix @llvm.frameaddress codegen. FP elimination optimization should be disabled when frame address is desired. Also add support for depth > 0.
llvm-svn: 56683
Diffstat (limited to 'llvm/lib/Target/ARM/ARMRegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMRegisterInfo.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMRegisterInfo.cpp index 7787f43..d598ef6 100644 --- a/llvm/lib/Target/ARM/ARMRegisterInfo.cpp +++ b/llvm/lib/Target/ARM/ARMRegisterInfo.cpp @@ -209,7 +209,9 @@ ARMRegisterInfo::requiresRegisterScavenging(const MachineFunction &MF) const { /// or if frame pointer elimination is disabled. /// bool ARMRegisterInfo::hasFP(const MachineFunction &MF) const { - return NoFramePointerElim || MF.getFrameInfo()->hasVarSizedObjects(); + const MachineFrameInfo *MFI = MF.getFrameInfo(); + return NoFramePointerElim || MFI->hasVarSizedObjects() || + MFI->isFrameAddressTaken(); } // hasReservedCallFrame - Under normal circumstances, when a frame pointer is |