diff options
Diffstat (limited to 'llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp index 2ce05ec3968..58c444d129d 100644 --- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp +++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp @@ -1143,6 +1143,11 @@ bool IRTranslator::translateMemFunc(const CallInst &CI, DstAlign = std::max<unsigned>(MSI->getDestAlignment(), 1); } + // We need to propagate the tail call flag from the IR inst as an argument. + // Otherwise, we have to pessimize and assume later that we cannot tail call + // any memory intrinsics. + ICall.addImm(CI.isTailCall() ? 1 : 0); + // Create mem operands to store the alignment and volatile info. auto VolFlag = IsVol ? MachineMemOperand::MOVolatile : MachineMemOperand::MONone; ICall.addMemOperand(MF->getMachineMemOperand( |
