diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64FastISel.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64FastISel.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64FastISel.cpp b/llvm/lib/Target/AArch64/AArch64FastISel.cpp index a6e7daa0d9b..2faa1398064 100644 --- a/llvm/lib/Target/AArch64/AArch64FastISel.cpp +++ b/llvm/lib/Target/AArch64/AArch64FastISel.cpp @@ -708,6 +708,10 @@ bool AArch64FastISel::SimplifyAddress(Address &Addr, MVT VT) { Addr.getOffsetReg()) RegisterOffsetNeedsLowering = true; + // Cannot encode zero register as base. + if (Addr.isRegBase() && Addr.getOffsetReg() && !Addr.getReg()) + RegisterOffsetNeedsLowering = true; + // If this is a stack pointer and the offset needs to be simplified then put // the alloca address into a register, set the base type back to register and // continue. This should almost never happen. |
