diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86OptimizeLEAs.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86OptimizeLEAs.cpp b/llvm/lib/Target/X86/X86OptimizeLEAs.cpp index 9f7de9a8c6a..def49dfbe5c 100644 --- a/llvm/lib/Target/X86/X86OptimizeLEAs.cpp +++ b/llvm/lib/Target/X86/X86OptimizeLEAs.cpp @@ -434,6 +434,11 @@ bool OptimizeLEAPass::removeRedundantAddrCalc(MemOpMap &LEAs) { MemOpNo += X86II::getOperandBias(Desc); + // Address displacement must be an immediate or a global. + MachineOperand &Disp = MI.getOperand(MemOpNo + X86::AddrDisp); + if (!Disp.isImm() && !Disp.isGlobal()) + continue; + // Get the best LEA instruction to replace address calculation. MachineInstr *DefMI; int64_t AddrDispShift; |
