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| author | Evan Cheng <evan.cheng@apple.com> | 2009-06-22 18:38:48 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-06-22 18:38:48 +0000 |
| commit | 8dcbbdd00ebb4beb8eeb822791df326eee5de827 (patch) | |
| tree | f18ca2e1ca402a234ae6881479212f14cfef25c1 | |
| parent | 08367b61638b4d446ebab69e2aad6431daa77ba7 (diff) | |
| download | llvm-8dcbbdd00ebb4beb8eeb822791df326eee5de827.tar.gz llvm-8dcbbdd00ebb4beb8eeb822791df326eee5de827.tar.bz2 llvm-8dcbbdd00ebb4beb8eeb822791df326eee5de827.tar.xz | |
hasFP should return true if frame address is taken.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73893 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMRegisterInfo.cpp | 4 | ||||
| -rw-r--r-- | test/CodeGen/ARM/arm-frameaddr.ll | 12 |
2 files changed, 15 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMRegisterInfo.cpp b/lib/Target/ARM/ARMRegisterInfo.cpp index bbc13001ae..522f65b4bf 100644 --- a/lib/Target/ARM/ARMRegisterInfo.cpp +++ b/lib/Target/ARM/ARMRegisterInfo.cpp @@ -497,7 +497,9 @@ ARMRegisterInfo::requiresRegisterScavenging(const MachineFunction &MF) const { /// bool ARMRegisterInfo::hasFP(const MachineFunction &MF) const { const MachineFrameInfo *MFI = MF.getFrameInfo(); - return NoFramePointerElim || MFI->hasVarSizedObjects(); + return (NoFramePointerElim || + MFI->hasVarSizedObjects() || + MFI->isFrameAddressTaken()); } // hasReservedCallFrame - Under normal circumstances, when a frame pointer is diff --git a/test/CodeGen/ARM/arm-frameaddr.ll b/test/CodeGen/ARM/arm-frameaddr.ll new file mode 100644 index 0000000000..f1e4c2aeb7 --- /dev/null +++ b/test/CodeGen/ARM/arm-frameaddr.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin | grep mov | grep r7 +; RUN: llvm-as < %s | llc -mtriple=arm-linux-gnueabi | grep mov | grep r11 +; PR4344 +; PR4416 + +define arm_aapcscc i8* @t() nounwind { +entry: + %0 = call i8* @llvm.frameaddress(i32 0) + ret i8* %0 +} + +declare i8* @llvm.frameaddress(i32) nounwind readnone |