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[OpenACC][CIR] Implement || and && reduction combiner lowering #164298

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Oct 22, 2025
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[OpenACC][CIR] Implement || and && reduction combiner lowering #164298

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[OpenACC][CIR] Implement || and && reduction combiner lowering
erichkeane Oct 15, 2025
d1ace3d
Clang-format
erichkeane Oct 20, 2025
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25 changes: 19 additions & 6 deletions clang/lib/Sema/SemaOpenACC.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2999,11 +2999,11 @@ bool SemaOpenACC::CreateReductionCombinerRecipe(
BinOp = BinaryOperatorKind::BO_LT;
break;
case OpenACCReductionOperator::And:
BinOp = BinaryOperatorKind::BO_LAnd;
break;
case OpenACCReductionOperator::Or:
// We just want a 'NYI' error in the backend, so leave an empty combiner
// recipe, and claim success.
CombinerRecipes.push_back({nullptr, nullptr, nullptr});
return false;
BinOp = BinaryOperatorKind::BO_LOr;
break;
}

// If VarTy is an array type, at the top level only, we want to do our
Expand Down Expand Up @@ -3068,8 +3068,21 @@ bool SemaOpenACC::CreateReductionCombinerRecipe(
: CombinerFailureKind::Assignment};
}
case OpenACCReductionOperator::And:
case OpenACCReductionOperator::Or:
llvm_unreachable("And/Or not implemented, but should fail earlier");
case OpenACCReductionOperator::Or: {
// These are done as LHS = LHS && RHS (or LHS = LHS || RHS). So after the
// binop, all we have to do is the assignment.
if (!BinOpRes.isUsable())
return {BinOpRes, CombinerFailureKind::BinOp};

// Build assignment.
ExprResult Assignment = SemaRef.BuildBinOp(SemaRef.getCurScope(), Loc,
BinaryOperatorKind::BO_Assign,
LHSDRE, BinOpRes.get(),
/*ForFoldExpr=*/false);
return {Assignment, Assignment.isUsable()
? CombinerFailureKind::None
: CombinerFailureKind::Assignment};
}
case OpenACCReductionOperator::Invalid:
llvm_unreachable("Invalid should have been caught above");
}
Expand Down
534 changes: 529 additions & 5 deletions clang/test/CIR/CodeGenOpenACC/combined-reduction-clause-default-ops.cpp
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180 changes: 173 additions & 7 deletions clang/test/CIR/CodeGenOpenACC/combined-reduction-clause-float.cpp
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// RUN: not %clang_cc1 -fopenacc -triple x86_64-linux-gnu -Wno-openacc-self-if-potential-conflict -emit-cir -fclangir -triple x86_64-linux-pc %s -o - | FileCheck %s
// RUN: %clang_cc1 -fopenacc -triple x86_64-linux-gnu -Wno-openacc-self-if-potential-conflict -emit-cir -fclangir -triple x86_64-linux-pc %s -o - | FileCheck %s
template<typename T>
void acc_combined() {
T someVar;
Expand Down Expand Up @@ -92,7 +92,18 @@ void acc_combined() {
// CHECK-NEXT: acc.yield
// CHECK-NEXT: } combiner {
// CHECK-NEXT: ^bb0(%[[LHSARG:.*]]: !cir.ptr<!cir.float> {{.*}}, %[[RHSARG:.*]]: !cir.ptr<!cir.float> {{.*}})
// TODO OpenACC: Expecting combination operation here
// CHECK-NEXT: %[[LHS_LOAD:.*]] = cir.load {{.*}} %[[LHSARG]] : !cir.ptr<!cir.float>
// CHECK-NEXT: %[[LHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[LHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: %[[TERNARY:.*]] = cir.ternary(%[[LHS_TO_BOOL]], true {
// CHECK-NEXT: %[[RHS_LOAD:.*]] = cir.load {{.*}} %[[RHSARG]] : !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[RHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: cir.yield %[[RHS_TO_BOOL]] : !cir.bool
// CHECK-NEXT: }, false {
// CHECK-NEXT: %[[FALSE:.*]] = cir.const #false
// CHECK-NEXT: cir.yield %[[FALSE]] : !cir.bool
// CHECK-NEXT: }) : (!cir.bool) -> !cir.bool
// CHECK-NEXT: %[[RES_TO_VAL:.*]] = cir.cast bool_to_float %[[TERNARY]] : !cir.bool -> !cir.float
// CHECK-NEXT: cir.store{{.*}} %[[RES_TO_VAL]], %[[LHSARG]] : !cir.float, !cir.ptr<!cir.float>
// CHECK-NEXT: acc.yield %[[LHSARG]] : !cir.ptr<!cir.float>
// CHECK-NEXT: }
for(int i=0;i < 5; ++i);
Expand All @@ -106,7 +117,18 @@ void acc_combined() {
//
// CHECK-NEXT: } combiner {
// CHECK-NEXT: ^bb0(%[[LHSARG:.*]]: !cir.ptr<!cir.float> {{.*}}, %[[RHSARG:.*]]: !cir.ptr<!cir.float> {{.*}})
// TODO OpenACC: Expecting combination operation here
// CHECK-NEXT: %[[LHS_LOAD:.*]] = cir.load {{.*}} %[[LHSARG]] : !cir.ptr<!cir.float>
// CHECK-NEXT: %[[LHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[LHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: %[[TERNARY:.*]] = cir.ternary(%[[LHS_TO_BOOL]], true {
// CHECK-NEXT: %[[TRUE:.*]] = cir.const #true
// CHECK-NEXT: cir.yield %[[TRUE]] : !cir.bool
// CHECK-NEXT: }, false {
// CHECK-NEXT: %[[RHS_LOAD:.*]] = cir.load {{.*}} %[[RHSARG]] : !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[RHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: cir.yield %[[RHS_TO_BOOL]] : !cir.bool
// CHECK-NEXT: }) : (!cir.bool) -> !cir.bool
// CHECK-NEXT: %[[RES_TO_VAL:.*]] = cir.cast bool_to_float %[[TERNARY]] : !cir.bool -> !cir.float
// CHECK-NEXT: cir.store{{.*}} %[[RES_TO_VAL]], %[[LHSARG]] : !cir.float, !cir.ptr<!cir.float>
// CHECK-NEXT: acc.yield %[[LHSARG]] : !cir.ptr<!cir.float>
// CHECK-NEXT: }
for(int i=0;i < 5; ++i);
Expand Down Expand Up @@ -371,7 +393,41 @@ void acc_combined() {
//
// CHECK-NEXT: } combiner {
// CHECK-NEXT: ^bb0(%[[LHSARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}}, %[[RHSARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}})
// TODO OpenACC: Expecting combination operation here
// CHECK-NEXT: %[[ZERO:.*]] = cir.const #cir.int<0> : !s64i
// CHECK-NEXT: %[[ITR:.*]] = cir.alloca !s64i, !cir.ptr<!s64i>, ["itr"] {alignment = 8 : i64}
// CHECK-NEXT: cir.store %[[ZERO]], %[[ITR]] : !s64i, !cir.ptr<!s64i>
// CHECK-NEXT: cir.for : cond {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!s64i>, !s64i
// CHECK-NEXT: %[[END_VAL:.*]] = cir.const #cir.int<5> : !s64i
// CHECK-NEXT: %[[CMP:.*]] = cir.cmp(lt, %[[ITR_LOAD]], %[[END_VAL]]) : !s64i, !cir.bool
// CHECK-NEXT: cir.condition(%[[CMP]])
// CHECK-NEXT: } body {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!s64i>, !s64i
// CHECK-NEXT: %[[LHS_DECAY:.*]] = cir.cast array_to_ptrdecay %[[LHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>> -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[LHS_STRIDE:.*]] = cir.ptr_stride %[[LHS_DECAY]], %[[ITR_LOAD]] : (!cir.ptr<!cir.float>, !s64i) -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_DECAY:.*]] = cir.cast array_to_ptrdecay %[[RHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>> -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_STRIDE:.*]] = cir.ptr_stride %[[RHS_DECAY]], %[[ITR_LOAD]] : (!cir.ptr<!cir.float>, !s64i) -> !cir.ptr<!cir.float>
//
// CHECK-NEXT: %[[LHS_LOAD:.*]] = cir.load {{.*}} %[[LHS_STRIDE]] : !cir.ptr<!cir.float>, !cir.float
// CHECK-NEXT: %[[LHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[LHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: %[[TERNARY:.*]] = cir.ternary(%[[LHS_TO_BOOL]], true {
// CHECK-NEXT: %[[RHS_LOAD:.*]] = cir.load {{.*}} %[[RHS_STRIDE]] : !cir.ptr<!cir.float>, !cir.float
// CHECK-NEXT: %[[RHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[RHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: cir.yield %[[RHS_TO_BOOL]] : !cir.bool
// CHECK-NEXT: }, false {
// CHECK-NEXT: %[[FALSE:.*]] = cir.const #false
// CHECK-NEXT: cir.yield %[[FALSE]] : !cir.bool
// CHECK-NEXT: }) : (!cir.bool) -> !cir.bool
// CHECK-NEXT: %[[RES_TO_VAL:.*]] = cir.cast bool_to_float %[[TERNARY]] : !cir.bool -> !cir.float
// CHECK-NEXT: cir.store{{.*}} %[[RES_TO_VAL]], %[[LHS_STRIDE]] : !cir.float, !cir.ptr<!cir.float>
//
// CHECK-NEXT: cir.yield
// CHECK-NEXT: } step {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!s64i>, !s64i
// CHECK-NEXT: %[[INC:.*]] = cir.unary(inc, %[[ITR_LOAD]]) : !s64i, !s64i
// CHECK-NEXT: cir.store %[[INC]], %[[ITR]] : !s64i, !cir.ptr<!s64i>
// CHECK-NEXT: cir.yield
// CHECK-NEXT: }
// CHECK-NEXT: acc.yield %[[LHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>>
// CHECK-NEXT: }
for(int i=0;i < 5; ++i);
Expand Down Expand Up @@ -401,7 +457,41 @@ void acc_combined() {
//
// CHECK-NEXT: } combiner {
// CHECK-NEXT: ^bb0(%[[LHSARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}}, %[[RHSARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}})
// TODO OpenACC: Expecting combination operation here
// CHECK-NEXT: %[[ZERO:.*]] = cir.const #cir.int<0> : !s64i
// CHECK-NEXT: %[[ITR:.*]] = cir.alloca !s64i, !cir.ptr<!s64i>, ["itr"] {alignment = 8 : i64}
// CHECK-NEXT: cir.store %[[ZERO]], %[[ITR]] : !s64i, !cir.ptr<!s64i>
// CHECK-NEXT: cir.for : cond {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!s64i>, !s64i
// CHECK-NEXT: %[[END_VAL:.*]] = cir.const #cir.int<5> : !s64i
// CHECK-NEXT: %[[CMP:.*]] = cir.cmp(lt, %[[ITR_LOAD]], %[[END_VAL]]) : !s64i, !cir.bool
// CHECK-NEXT: cir.condition(%[[CMP]])
// CHECK-NEXT: } body {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!s64i>, !s64i
// CHECK-NEXT: %[[LHS_DECAY:.*]] = cir.cast array_to_ptrdecay %[[LHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>> -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[LHS_STRIDE:.*]] = cir.ptr_stride %[[LHS_DECAY]], %[[ITR_LOAD]] : (!cir.ptr<!cir.float>, !s64i) -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_DECAY:.*]] = cir.cast array_to_ptrdecay %[[RHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>> -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_STRIDE:.*]] = cir.ptr_stride %[[RHS_DECAY]], %[[ITR_LOAD]] : (!cir.ptr<!cir.float>, !s64i) -> !cir.ptr<!cir.float>
//
// CHECK-NEXT: %[[LHS_LOAD:.*]] = cir.load {{.*}} %[[LHS_STRIDE]] : !cir.ptr<!cir.float>, !cir.float
// CHECK-NEXT: %[[LHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[LHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: %[[TERNARY:.*]] = cir.ternary(%[[LHS_TO_BOOL]], true {
// CHECK-NEXT: %[[TRUE:.*]] = cir.const #true
// CHECK-NEXT: cir.yield %[[TRUE]] : !cir.bool
// CHECK-NEXT: }, false {
// CHECK-NEXT: %[[RHS_LOAD:.*]] = cir.load {{.*}} %[[RHS_STRIDE]] : !cir.ptr<!cir.float>, !cir.float
// CHECK-NEXT: %[[RHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[RHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: cir.yield %[[RHS_TO_BOOL]] : !cir.bool
// CHECK-NEXT: }) : (!cir.bool) -> !cir.bool
// CHECK-NEXT: %[[RES_TO_VAL:.*]] = cir.cast bool_to_float %[[TERNARY]] : !cir.bool -> !cir.float
// CHECK-NEXT: cir.store{{.*}} %[[RES_TO_VAL]], %[[LHS_STRIDE]] : !cir.float, !cir.ptr<!cir.float>
//
// CHECK-NEXT: cir.yield
// CHECK-NEXT: } step {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!s64i>, !s64i
// CHECK-NEXT: %[[INC:.*]] = cir.unary(inc, %[[ITR_LOAD]]) : !s64i, !s64i
// CHECK-NEXT: cir.store %[[INC]], %[[ITR]] : !s64i, !cir.ptr<!s64i>
// CHECK-NEXT: cir.yield
// CHECK-NEXT: }
// CHECK-NEXT: acc.yield %[[LHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>>
// CHECK-NEXT: }
for(int i=0;i < 5; ++i);
Expand Down Expand Up @@ -708,7 +798,45 @@ void acc_combined() {
// CHECK-NEXT: acc.yield
// CHECK-NEXT: } combiner {
// CHECK-NEXT: ^bb0(%[[LHSARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}}, %[[RHSARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}}, %[[BOUND1:.*]]: !acc.data_bounds_ty{{.*}}))
// TODO OpenACC: Expecting combination operation here
// CHECK-NEXT: cir.scope {
// CHECK-NEXT: %[[LB:.*]] = acc.get_lowerbound %[[BOUND1]] : (!acc.data_bounds_ty) -> index
// CHECK-NEXT: %[[LB_CAST:.*]] = builtin.unrealized_conversion_cast %[[LB]] : index to !u64i
// CHECK-NEXT: %[[UB:.*]] = acc.get_upperbound %[[BOUND1]] : (!acc.data_bounds_ty) -> index
// CHECK-NEXT: %[[UB_CAST:.*]] = builtin.unrealized_conversion_cast %[[UB]] : index to !u64i
// CHECK-NEXT: %[[ITR:.*]] = cir.alloca !u64i, !cir.ptr<!u64i>, ["iter"] {alignment = 8 : i64}
// CHECK-NEXT: cir.store %[[LB_CAST]], %[[ITR]] : !u64i, !cir.ptr<!u64i>
// CHECK-NEXT: cir.for : cond {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!u64i>, !u64i
// CHECK-NEXT: %[[COND:.*]] = cir.cmp(lt, %[[ITR_LOAD]], %[[UB_CAST]]) : !u64i, !cir.bool
// CHECK-NEXT: cir.condition(%[[COND]])
// CHECK-NEXT: } body {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!u64i>, !u64i
// CHECK-NEXT: %[[LHS_DECAY:.*]] = cir.cast array_to_ptrdecay %[[LHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>> -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[LHS_STRIDE:.*]] = cir.ptr_stride %[[LHS_DECAY]], %[[ITR_LOAD]] : (!cir.ptr<!cir.float>, !u64i) -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_DECAY:.*]] = cir.cast array_to_ptrdecay %[[RHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>> -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_STRIDE:.*]] = cir.ptr_stride %[[RHS_DECAY]], %[[ITR_LOAD]] : (!cir.ptr<!cir.float>, !u64i) -> !cir.ptr<!cir.float>
//
// CHECK-NEXT: %[[LHS_LOAD:.*]] = cir.load {{.*}} %[[LHS_STRIDE]] : !cir.ptr<!cir.float>, !cir.float
// CHECK-NEXT: %[[LHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[LHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: %[[TERNARY:.*]] = cir.ternary(%[[LHS_TO_BOOL]], true {
// CHECK-NEXT: %[[RHS_LOAD:.*]] = cir.load {{.*}} %[[RHS_STRIDE]] : !cir.ptr<!cir.float>, !cir.float
// CHECK-NEXT: %[[RHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[RHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: cir.yield %[[RHS_TO_BOOL]] : !cir.bool
// CHECK-NEXT: }, false {
// CHECK-NEXT: %[[FALSE:.*]] = cir.const #false
// CHECK-NEXT: cir.yield %[[FALSE]] : !cir.bool
// CHECK-NEXT: }) : (!cir.bool) -> !cir.bool
// CHECK-NEXT: %[[RES_TO_VAL:.*]] = cir.cast bool_to_float %[[TERNARY]] : !cir.bool -> !cir.float
// CHECK-NEXT: cir.store{{.*}} %[[RES_TO_VAL]], %[[LHS_STRIDE]] : !cir.float, !cir.ptr<!cir.float>
//
// CHECK-NEXT: cir.yield
// CHECK-NEXT: } step {
// CHECK-NEXT: %[[ITR_LOAD]] = cir.load %[[ITR]] : !cir.ptr<!u64i>, !u64i
// CHECK-NEXT: %[[INC:.*]] = cir.unary(inc, %[[ITR_LOAD]]) : !u64i, !u64i
// CHECK-NEXT: cir.store %[[INC]], %[[ITR]] : !u64i, !cir.ptr<!u64i>
// CHECK-NEXT: cir.yield
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: acc.yield %[[LHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>>
// CHECK-NEXT: }
for(int i=0;i < 5; ++i);
Expand Down Expand Up @@ -744,7 +872,45 @@ void acc_combined() {
// CHECK-NEXT: acc.yield
// CHECK-NEXT: } combiner {
// CHECK-NEXT: ^bb0(%[[LHSARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}}, %[[RHSARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}}, %[[BOUND1:.*]]: !acc.data_bounds_ty{{.*}}))
// TODO OpenACC: Expecting combination operation here
// CHECK-NEXT: cir.scope {
// CHECK-NEXT: %[[LB:.*]] = acc.get_lowerbound %[[BOUND1]] : (!acc.data_bounds_ty) -> index
// CHECK-NEXT: %[[LB_CAST:.*]] = builtin.unrealized_conversion_cast %[[LB]] : index to !u64i
// CHECK-NEXT: %[[UB:.*]] = acc.get_upperbound %[[BOUND1]] : (!acc.data_bounds_ty) -> index
// CHECK-NEXT: %[[UB_CAST:.*]] = builtin.unrealized_conversion_cast %[[UB]] : index to !u64i
// CHECK-NEXT: %[[ITR:.*]] = cir.alloca !u64i, !cir.ptr<!u64i>, ["iter"] {alignment = 8 : i64}
// CHECK-NEXT: cir.store %[[LB_CAST]], %[[ITR]] : !u64i, !cir.ptr<!u64i>
// CHECK-NEXT: cir.for : cond {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!u64i>, !u64i
// CHECK-NEXT: %[[COND:.*]] = cir.cmp(lt, %[[ITR_LOAD]], %[[UB_CAST]]) : !u64i, !cir.bool
// CHECK-NEXT: cir.condition(%[[COND]])
// CHECK-NEXT: } body {
// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!u64i>, !u64i
// CHECK-NEXT: %[[LHS_DECAY:.*]] = cir.cast array_to_ptrdecay %[[LHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>> -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[LHS_STRIDE:.*]] = cir.ptr_stride %[[LHS_DECAY]], %[[ITR_LOAD]] : (!cir.ptr<!cir.float>, !u64i) -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_DECAY:.*]] = cir.cast array_to_ptrdecay %[[RHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>> -> !cir.ptr<!cir.float>
// CHECK-NEXT: %[[RHS_STRIDE:.*]] = cir.ptr_stride %[[RHS_DECAY]], %[[ITR_LOAD]] : (!cir.ptr<!cir.float>, !u64i) -> !cir.ptr<!cir.float>
//
// CHECK-NEXT: %[[LHS_LOAD:.*]] = cir.load {{.*}} %[[LHS_STRIDE]] : !cir.ptr<!cir.float>, !cir.float
// CHECK-NEXT: %[[LHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[LHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: %[[TERNARY:.*]] = cir.ternary(%[[LHS_TO_BOOL]], true {
// CHECK-NEXT: %[[TRUE:.*]] = cir.const #true
// CHECK-NEXT: cir.yield %[[TRUE]] : !cir.bool
// CHECK-NEXT: }, false {
// CHECK-NEXT: %[[RHS_LOAD:.*]] = cir.load {{.*}} %[[RHS_STRIDE]] : !cir.ptr<!cir.float>, !cir.float
// CHECK-NEXT: %[[RHS_TO_BOOL:.*]] = cir.cast float_to_bool %[[RHS_LOAD]] : !cir.float -> !cir.bool
// CHECK-NEXT: cir.yield %[[RHS_TO_BOOL]] : !cir.bool
// CHECK-NEXT: }) : (!cir.bool) -> !cir.bool
// CHECK-NEXT: %[[RES_TO_VAL:.*]] = cir.cast bool_to_float %[[TERNARY]] : !cir.bool -> !cir.float
// CHECK-NEXT: cir.store{{.*}} %[[RES_TO_VAL]], %[[LHS_STRIDE]] : !cir.float, !cir.ptr<!cir.float>
//
// CHECK-NEXT: cir.yield
// CHECK-NEXT: } step {
// CHECK-NEXT: %[[ITR_LOAD]] = cir.load %[[ITR]] : !cir.ptr<!u64i>, !u64i
// CHECK-NEXT: %[[INC:.*]] = cir.unary(inc, %[[ITR_LOAD]]) : !u64i, !u64i
// CHECK-NEXT: cir.store %[[INC]], %[[ITR]] : !u64i, !cir.ptr<!u64i>
// CHECK-NEXT: cir.yield
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: acc.yield %[[LHSARG]] : !cir.ptr<!cir.array<!cir.float x 5>>
// CHECK-NEXT: }
for(int i=0;i < 5; ++i);
Expand Down
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