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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 | e96a7f565ddcd8855d6cbcecf3f65ea08a65e558 (patch) | |
| tree | c68c32e0d9f0dadb805a6e07fe7e2544b57de222 /lib/Target/ARM/ARMRegisterInfo.cpp | |
| parent | 71287953e60d3437b51a69fd3f016b03f5011c52 (diff) | |
| download | external_llvm-e96a7f565ddcd8855d6cbcecf3f65ea08a65e558.zip external_llvm-e96a7f565ddcd8855d6cbcecf3f65ea08a65e558.tar.gz external_llvm-e96a7f565ddcd8855d6cbcecf3f65ea08a65e558.tar.bz2 | |
Fix @llvm.frameaddress codegen. FP elimination optimization should be disabled when frame address is desired. Also add support for depth > 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56683 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMRegisterInfo.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMRegisterInfo.cpp b/lib/Target/ARM/ARMRegisterInfo.cpp index 7787f43..d598ef6 100644 --- a/lib/Target/ARM/ARMRegisterInfo.cpp +++ b/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 |