diff options
| -rw-r--r-- | lib/Target/ARM/ARMBaseRegisterInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp index e692988fd5..07c890de5c 100644 --- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp @@ -1480,7 +1480,11 @@ needsFrameBaseReg(MachineInstr *MI, int64_t Offset) const { if (!AFI->isThumbFunction() || !AFI->isThumb1OnlyFunction()) FPOffset -= 80; // Estimate an offset from the stack pointer. + // The incoming offset is relating to the SP at the start of the function, + // but when we access the local it'll be relative to the SP after local + // allocation, so adjust our SP-relative offset by that allocation size. Offset = -Offset; + Offset += MFI->getLocalFrameSize(); // Assume that we'll have at least some spill slots allocated. // FIXME: This is a total SWAG number. We should run some statistics // and pick a real one. |