diff --git a/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index 60d6d56e9880e..745f9ac17f8fe 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -81,7 +81,7 @@ genBaseBoundsOps(fir::FirOpBuilder &builder, mlir::Location loc,
     // ub = extent - 1
     mlir::Value ub = builder.create<mlir::arith::SubIOp>(loc, ext, one);
     mlir::Value bound = builder.create<mlir::acc::DataBoundsOp>(
-        loc, boundTy, lb, ub, mlir::Value(), one, false, baseLb);
+        loc, boundTy, lb, ub, ext, one, false, baseLb);
     bounds.push_back(bound);
   }
   return bounds;
diff --git a/flang/test/Lower/OpenACC/acc-data-operands.f90 b/flang/test/Lower/OpenACC/acc-data-operands.f90
index 2a61bc285c945..ffd42fc101ab0 100644
--- a/flang/test/Lower/OpenACC/acc-data-operands.f90
+++ b/flang/test/Lower/OpenACC/acc-data-operands.f90
@@ -74,7 +74,7 @@ subroutine acc_operand_derived_type_component()
 ! CHECK: %[[ONE:.*]] = arith.constant 1 : index
 ! CHECK: %[[LB:.*]] = arith.constant 0 : index
 ! CHECK: %[[UB:.*]] = arith.subi %[[EXT]], %[[ONE]] : index
-! CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
+! CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[EXT]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
 ! CHECK: %[[COPY_COPYIN:.*]] = acc.copyin varPtr(%[[COORD_DATA]] : !fir.ref<!fir.array<100xf32>>) bounds(%[[BOUND]]) -> !fir.ref<!fir.array<100xf32>> {dataClause = 3 : i64, name = "w%data"}
 ! CHECK: acc.data dataOperands(%[[COPY_COPYIN]] : !fir.ref<!fir.array<100xf32>>) {
 ! CHECK:   acc.terminator
@@ -102,7 +102,7 @@ subroutine acc_operand_array_derived_type_component()
 ! CHECK: %[[ONE:.*]] = arith.constant 1 : index
 ! CHECK: %[[LB:.*]] = arith.constant 0 : index
 ! CHECK: %[[UB:.*]] = arith.subi %[[EXT]], %[[ONE]] : index
-! CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index) 
+! CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[EXT]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index) 
 ! CHECK: %[[COPY_COPYIN:.*]] = acc.copyin varPtr(%[[COORD_W1_DATA]] : !fir.ref<!fir.array<100xf32>>) bounds(%[[BOUND]]) -> !fir.ref<!fir.array<100xf32>> {dataClause = 3 : i64, name = "w(1_8)%data"}
 ! CHECK: acc.data dataOperands(%[[COPY_COPYIN]] : !fir.ref<!fir.array<100xf32>>) {
 ! CHECK:   acc.terminator
diff --git a/flang/test/Lower/OpenACC/acc-enter-data.f90 b/flang/test/Lower/OpenACC/acc-enter-data.f90
index a6ee866e5ebb8..b5b0774ae6e69 100644
--- a/flang/test/Lower/OpenACC/acc-enter-data.f90
+++ b/flang/test/Lower/OpenACC/acc-enter-data.f90
@@ -19,10 +19,10 @@ subroutine acc_enter_data
 !CHECK: %[[ONE:.*]] = arith.constant 1 : index
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[C10]], %[[ONE]] : index
-!CHECK: %[[BOUND0:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
+!CHECK: %[[BOUND0:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[C10]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[EXTENT_C10]], %[[ONE]] : index
-!CHECK: %[[BOUND1:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
+!CHECK: %[[BOUND1:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[EXTENT_C10]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
 !CHECK: %[[CREATE_A:.*]] = acc.create varPtr(%[[A]] : !fir.ref<!fir.array<10x10xf32>>) bounds(%[[BOUND0]], %[[BOUND1]]) -> !fir.ref<!fir.array<10x10xf32>> {name = "a", structured = false}
 !CHECK: acc.enter_data dataOperands(%[[CREATE_A]] : !fir.ref<!fir.array<10x10xf32>>){{$}}
 
@@ -30,10 +30,10 @@ subroutine acc_enter_data
 !CHECK: %[[ONE:.*]] = arith.constant 1 : index
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[C10]], %[[ONE]] : index
-!CHECK: %[[BOUND0:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
+!CHECK: %[[BOUND0:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[C10]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[EXTENT_C10]], %[[ONE]] : index
-!CHECK: %[[BOUND1:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
+!CHECK: %[[BOUND1:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[EXTENT_C10]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
 !CHECK: %[[CREATE_A:.*]] = acc.create varPtr(%[[A]] : !fir.ref<!fir.array<10x10xf32>>) bounds(%[[BOUND0]], %[[BOUND1]]) -> !fir.ref<!fir.array<10x10xf32>> {name = "a", structured = false}
 !CHECK: [[IF1:%.*]] = arith.constant true
 !CHECK: acc.enter_data if([[IF1]]) dataOperands(%[[CREATE_A]] : !fir.ref<!fir.array<10x10xf32>>){{$}}
@@ -42,10 +42,10 @@ subroutine acc_enter_data
 !CHECK: %[[ONE:.*]] = arith.constant 1 : index
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[C10]], %[[ONE]] : index
-!CHECK: %[[BOUND0:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
+!CHECK: %[[BOUND0:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[C10]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[EXTENT_C10]], %[[ONE]] : index
-!CHECK: %[[BOUND1:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
+!CHECK: %[[BOUND1:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[EXTENT_C10]] : index) stride(%[[ONE]] : index) startIdx(%[[ONE]] : index)
 !CHECK: %[[CREATE_A:.*]] = acc.create varPtr(%[[A]] : !fir.ref<!fir.array<10x10xf32>>) bounds(%[[BOUND0]], %[[BOUND1]]) -> !fir.ref<!fir.array<10x10xf32>> {name = "a", structured = false}
 !CHECK: [[IFCOND:%.*]] = fir.load %{{.*}} : !fir.ref<!fir.logical<4>>
 !CHECK: [[IF2:%.*]] = fir.convert [[IFCOND]] : (!fir.logical<4>) -> i1
@@ -307,7 +307,7 @@ subroutine acc_enter_data_non_default_lb()
 !CHECK: %[[ONE:.*]] = arith.constant 1 : index 
 !CHECK: %[[LB:.*]] = arith.constant 0 : index 
 !CHECK: %[[UB:.*]] = arith.subi %c10{{.*}}, %[[ONE]] : index 
-!CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[ONE]] : index) startIdx(%c11{{.*}} : index) 
+!CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%c10{{.*}} : index) stride(%[[ONE]] : index) startIdx(%c11{{.*}} : index) 
 !CHECK: %[[CREATE:.*]] = acc.create varPtr(%1 : !fir.ref<!fir.array<10xi32>>) bounds(%[[BOUND]]) -> !fir.ref<!fir.array<10xi32>> {name = "b", structured = false} 
 !CHECK: acc.enter_data dataOperands(%[[CREATE]] : !fir.ref<!fir.array<10xi32>>)
 
@@ -602,7 +602,7 @@ subroutine acc_enter_data_derived_type()
 !CHECK: %[[C1:.*]] = arith.constant 1 : index
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[C10]], %[[C1]] : index
-!CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
+!CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[C10]] : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
 !CHECK: %[[CREATE:.*]] = acc.create varPtr(%[[ARRAY_COORD]] : !fir.ref<!fir.array<10xf32>>) bounds(%[[BOUND]]) -> !fir.ref<!fir.array<10xf32>> {name = "a%array", structured = false}
 !CHECK: acc.enter_data dataOperands(%[[CREATE]] : !fir.ref<!fir.array<10xf32>>)
 
@@ -658,7 +658,7 @@ subroutine acc_enter_data_derived_type()
 !CHECK: %[[C1:.*]] = arith.constant 1 : index
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[C10]], %[[C1]] : index
-!CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
+!CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[C10]] : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
 !CHECK: %[[CREATE:.*]] = acc.create varPtr(%[[ARRAY_COORD]] : !fir.ref<!fir.array<10xf32>>) bounds(%[[BOUND]]) -> !fir.ref<!fir.array<10xf32>> {name = "b%d%array", structured = false}
 
   !$acc enter data create(c%data)
@@ -689,7 +689,7 @@ subroutine acc_enter_data_derived_type()
 !CHECK: %[[C1:.*]] = arith.constant 1 : index
 !CHECK: %[[LB:.*]] = arith.constant 0 : index
 !CHECK: %[[UB:.*]] = arith.subi %[[C10]], %[[C1]] : index
-!CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
+!CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%[[C10]] : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
 !CHECK: %[[CREATE:.*]] = acc.create varPtr(%[[ARRAY_COORD]] : !fir.ref<!fir.array<10xf32>>) bounds(%[[BOUND]]) -> !fir.ref<!fir.array<10xf32>> {name = "d%d(1_8)%array", structured = false}
 !CHECK: acc.enter_data dataOperands(%[[CREATE]] : !fir.ref<!fir.array<10xf32>>)
 
diff --git a/flang/test/Lower/OpenACC/acc-private.f90 b/flang/test/Lower/OpenACC/acc-private.f90
index 8cd4c74548c17..c8709c826e024 100644
--- a/flang/test/Lower/OpenACC/acc-private.f90
+++ b/flang/test/Lower/OpenACC/acc-private.f90
@@ -94,7 +94,7 @@ program acc_private
 ! CHECK: %[[C1:.*]] = arith.constant 1 : index
 ! CHECK: %[[LB:.*]] = arith.constant 0 : index
 ! CHECK: %[[UB:.*]] = arith.subi %{{.*}}, %[[C1]] : index
-! CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
+! CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%{{.*}} : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
 ! CHECK: %[[B_PRIVATE:.*]] = acc.private varPtr(%[[B]] : !fir.ref<!fir.array<100xf32>>) bounds(%[[BOUND]]) -> !fir.ref<!fir.array<100xf32>> {name = "b"}
 ! CHECK: acc.loop private(@privatization_ref_100xf32 -> %[[B_PRIVATE]] : !fir.ref<!fir.array<100xf32>>) {
 ! CHECK: acc.yield
@@ -131,7 +131,7 @@ program acc_private
 ! CHECK: %[[C1:.*]] = arith.constant 1 : index
 ! CHECK: %[[LB:.*]] = arith.constant 0 : index
 ! CHECK: %[[UB:.*]] = arith.subi %{{.*}}, %[[C1]] : index
-! CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
+! CHECK: %[[BOUND:.*]] = acc.bounds lowerbound(%[[LB]] : index) upperbound(%[[UB]] : index) extent(%{{.*}} : index) stride(%[[C1]] : index) startIdx(%[[C1]] : index)
 ! CHECK: %[[FP_B:.*]] = acc.firstprivate varPtr(%[[B]] : !fir.ref<!fir.array<100xf32>>) bounds(%[[BOUND]]) -> !fir.ref<!fir.array<100xf32>> {name = "b"}
 ! CHECK: acc.parallel firstprivate(@firstprivatization_ref_100xf32 -> %[[FP_B]] : !fir.ref<!fir.array<100xf32>>)
 ! CHECK: acc.yield