diff options
Diffstat (limited to 'lib/Target/AArch64/AArch64FrameLowering.cpp')
| -rw-r--r-- | lib/Target/AArch64/AArch64FrameLowering.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/AArch64/AArch64FrameLowering.cpp b/lib/Target/AArch64/AArch64FrameLowering.cpp index a7817f4f67dd..a76473f7e539 100644 --- a/lib/Target/AArch64/AArch64FrameLowering.cpp +++ b/lib/Target/AArch64/AArch64FrameLowering.cpp @@ -354,6 +354,7 @@ void AArch64FrameLowering::emitPrologue(MachineFunction &MF, if (NumBytes && NeedsRealignment) { // Use the first callee-saved register as a scratch register. scratchSPReg = AArch64::X9; + MF.getRegInfo().setPhysRegUsed(scratchSPReg); } // If we're a leaf function, try using the red zone. |