From 77fc4c146f0870ffb09c1afb823ccbe742c5e6ff Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 25 Dec 2021 23:30:44 +0100
Subject: Vendor import of llvm-project main
 llvmorg-14-init-13186-g0c553cc1af2e.

---
 llvm/lib/IR/Operator.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/IR/Operator.cpp')

diff --git a/llvm/lib/IR/Operator.cpp b/llvm/lib/IR/Operator.cpp
index d15fcfbc5b9f..08c1fc931e2e 100644
--- a/llvm/lib/IR/Operator.cpp
+++ b/llvm/lib/IR/Operator.cpp
@@ -39,9 +39,10 @@ bool Operator::hasPoisonGeneratingFlags() const {
     return GEP->isInBounds() || GEP->getInRangeIndex() != None;
   }
   default:
+    if (const auto *FP = dyn_cast<FPMathOperator>(this))
+      return FP->hasNoNaNs() || FP->hasNoInfs();
     return false;
   }
-  // TODO: FastMathFlags!  (On instructions, but not constexpr)
 }
 
 Type *GEPOperator::getSourceElementType() const {
@@ -89,7 +90,7 @@ bool GEPOperator::accumulateConstantOffset(
   assert(Offset.getBitWidth() ==
              DL.getIndexSizeInBits(getPointerAddressSpace()) &&
          "The offset bit width does not match DL specification.");
-  SmallVector<const Value *> Index(value_op_begin() + 1, value_op_end());
+  SmallVector<const Value *> Index(llvm::drop_begin(operand_values()));
   return GEPOperator::accumulateConstantOffset(getSourceElementType(), Index,
                                                DL, Offset, ExternalAnalysis);
 }
-- 
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