diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMFastISel.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFastISel.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp index 390cd92cd6f..79c13913e9a 100644 --- a/llvm/lib/Target/ARM/ARMFastISel.cpp +++ b/llvm/lib/Target/ARM/ARMFastISel.cpp @@ -946,6 +946,10 @@ bool ARMFastISel::ARMEmitLoad(EVT VT, unsigned &ResultReg, Address &Addr) { } bool ARMFastISel::SelectLoad(const Instruction *I) { + // Atomic loads need special handling. + if (cast<LoadInst>(I)->isAtomic()) + return false; + // Verify we have a legal type before going any further. MVT VT; if (!isLoadTypeLegal(I->getType(), VT)) @@ -1008,6 +1012,10 @@ bool ARMFastISel::SelectStore(const Instruction *I) { Value *Op0 = I->getOperand(0); unsigned SrcReg = 0; + // Atomic stores need special handling. + if (cast<StoreInst>(I)->isAtomic()) + return false; + // Verify we have a legal type before going any further. MVT VT; if (!isLoadTypeLegal(I->getOperand(0)->getType(), VT)) |
