diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -1147,6 +1147,18 @@
           CR.getUnsignedMin().zext(BitWidth), APInt(BitWidth, 0)));
   }
 
+  // Recognize:
+  // icmp sgt (ashr X, ShAmtC), C --> icmp sgt X, ((C + 1) << ShAmtC) - 1
+  const APInt *ShAmtC, *RHSC;
+  if (EdgePred == CmpInst::ICMP_SGT &&
+      match(LHS, m_AShr(m_Specific(Val), m_APInt(ShAmtC))) &&
+      match(RHS, m_APInt(RHSC))) {
+    APInt Lower = ((*RHSC + 1) << *ShAmtC);
+    auto V = ValueLatticeElement::getRange(ConstantRange::getNonEmpty(
+        Lower, APInt::getSignedMaxValue(Lower.getBitWidth())));
+    return V;
+  }
+
   return ValueLatticeElement::getOverdefined();
 }
 
diff --git a/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll b/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
--- a/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
+++ b/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
@@ -1240,6 +1240,33 @@
   ret <2 x i1> %cmp1
 }
 
+define void @ashr(i8 %x) {
+; CHECK-LABEL: @ashr(
+; CHECK-NEXT:    [[S:%.*]] = ashr i8 [[X:%.*]], 2
+; CHECK-NEXT:    [[C:%.*]] = icmp sgt i8 [[S]], 0
+; CHECK-NEXT:    br i1 [[C]], label [[IF:%.*]], label [[ELSE:%.*]]
+; CHECK:       if:
+; CHECK-NEXT:    call void @check1(i1 true)
+; CHECK-NEXT:    [[C3:%.*]] = icmp ugt i8 [[X]], 10
+; CHECK-NEXT:    call void @check1(i1 [[C3]])
+; CHECK-NEXT:    ret void
+; CHECK:       else:
+; CHECK-NEXT:    ret void
+;
+  %s = ashr i8 %x, 2
+  %c = icmp sgt i8 %s, 0
+  br i1 %c, label %if, label %else
+if:
+  %c2 = icmp sgt i8 %x, 3
+  call void @check1(i1 %c2)
+  %c3 = icmp sgt i8 %x, 10
+  call void @check1(i1 %c3)
+  ret void
+else:
+  ret void
+}
+
+
 declare i8 @llvm.umin.i8(i8, i8)
 declare i8 @llvm.umax.i8(i8, i8)
 declare <2 x i8> @llvm.umin.v2i8(<2 x i8>, <2 x i8>)