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[OpenMP] Fix condition.

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Summary: Iteration variable must be strictly less than the number of iterations. This fixes a bug introduced by previous patch D53448.

Reviewers: ABataev, caomhin

Reviewed By: ABataev

Subscribers: guansong, cfe-commits

Differential Revision: https://reviews.llvm.org/D53827

llvm-svn: 345527
This commit is contained in:
Gheorghe-Teodor Bercea
2018-10-29 19:44:25 +00:00
parent 8179e5042f
commit 9d6341ff51
4 changed files with 9 additions and 8 deletions
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3
clang/lib/Sema/SemaOpenMP.cpp
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@@ -5299,7 +5299,8 @@ checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
ExprResult CombDistCond;
if (isOpenMPLoopBoundSharingDirective(DKind)) {
CombDistCond =
SemaRef.BuildBinOp(CurScope, CondLoc, BO_LE, IV.get(), NumIterations.get());
SemaRef.BuildBinOp(
CurScope, CondLoc, BO_LT, IV.get(), NumIterations.get());
}
ExprResult CombCond;

6
clang/test/OpenMP/distribute_parallel_for_codegen.cpp
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@@ -447,7 +447,7 @@ int main() {
// LAMBDA-DAG: [[OMP_IV_VAL_1:%.+]] = load {{.+}} [[OMP_IV]],
// LAMBDA-DAG: [[OMP_UB_VAL_3:%.+]] = load {{.+}}
// LAMBDA-DAG: [[OMP_UB_VAL_3_PLUS_ONE:%.+]] = add {{.+}} [[OMP_UB_VAL_3]], 1
// LAMBDA: [[CMP_IV_UB:%.+]] = icmp sle {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// LAMBDA: [[CMP_IV_UB:%.+]] = icmp slt {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// LAMBDA: br {{.+}} [[CMP_IV_UB]], label %[[DIST_INNER_LOOP_BODY:.+]], label %[[DIST_INNER_LOOP_END:.+]]
// check that PrevLB and PrevUB are passed to the 'for'
@@ -1210,7 +1210,7 @@ int main() {
// CHECK-DAG: [[OMP_IV_VAL_1:%.+]] = load {{.+}} [[OMP_IV]],
// CHECK-DAG: [[OMP_UB_VAL_3:%.+]] = load {{.+}}
// CHECK-DAG: [[OMP_UB_VAL_3_PLUS_ONE:%.+]] = add {{.+}} [[OMP_UB_VAL_3]], 1
// CHECK: [[CMP_IV_UB:%.+]] = icmp sle {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// CHECK: [[CMP_IV_UB:%.+]] = icmp slt {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// CHECK: br {{.+}} [[CMP_IV_UB]], label %[[DIST_INNER_LOOP_BODY:.+]], label %[[DIST_INNER_LOOP_END:.+]]
// check that PrevLB and PrevUB are passed to the 'for'
@@ -1938,7 +1938,7 @@ int main() {
// CHECK-DAG: [[OMP_IV_VAL_1:%.+]] = load {{.+}} [[OMP_IV]],
// CHECK-DAG: [[OMP_UB_VAL_3:%.+]] = load {{.+}}
// CHECK-DAG: [[OMP_UB_VAL_3_PLUS_ONE:%.+]] = add {{.+}} [[OMP_UB_VAL_3]], 1
// CHECK: [[CMP_IV_UB:%.+]] = icmp sle {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// CHECK: [[CMP_IV_UB:%.+]] = icmp slt {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// CHECK: br {{.+}} [[CMP_IV_UB]], label %[[DIST_INNER_LOOP_BODY:.+]], label %[[DIST_INNER_LOOP_END:.+]]
// check that PrevLB and PrevUB are passed to the 'for'

6
clang/test/OpenMP/distribute_parallel_for_simd_codegen.cpp
View File

@@ -446,7 +446,7 @@ int main() {
// LAMBDA-DAG: [[OMP_IV_VAL_1:%.+]] = load {{.+}} [[OMP_IV]],
// LAMBDA-DAG: [[OMP_UB_VAL_3:%.+]] = load {{.+}}
// LAMBDA-DAG: [[OMP_UB_VAL_3_PLUS_ONE:%.+]] = add {{.+}} [[OMP_UB_VAL_3]], 1
// LAMBDA: [[CMP_IV_UB:%.+]] = icmp sle {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// LAMBDA: [[CMP_IV_UB:%.+]] = icmp slt {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// LAMBDA: br {{.+}} [[CMP_IV_UB]], label %[[DIST_INNER_LOOP_BODY:.+]], label %[[DIST_INNER_LOOP_END:.+]]
// check that PrevLB and PrevUB are passed to the 'for'
@@ -1209,7 +1209,7 @@ int main() {
// CHECK-DAG: [[OMP_IV_VAL_1:%.+]] = load {{.+}} [[OMP_IV]],
// CHECK-DAG: [[OMP_UB_VAL_3:%.+]] = load {{.+}}
// CHECK-DAG: [[OMP_UB_VAL_3_PLUS_ONE:%.+]] = add {{.+}} [[OMP_UB_VAL_3]], 1
// CHECK: [[CMP_IV_UB:%.+]] = icmp sle {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// CHECK: [[CMP_IV_UB:%.+]] = icmp slt {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// CHECK: br {{.+}} [[CMP_IV_UB]], label %[[DIST_INNER_LOOP_BODY:.+]], label %[[DIST_INNER_LOOP_END:.+]]
// check that PrevLB and PrevUB are passed to the 'for'
@@ -1937,7 +1937,7 @@ int main() {
// CHECK-DAG: [[OMP_IV_VAL_1:%.+]] = load {{.+}} [[OMP_IV]],
// CHECK-DAG: [[OMP_UB_VAL_3:%.+]] = load {{.+}}
// CHECK-DAG: [[OMP_UB_VAL_3_PLUS_ONE:%.+]] = add {{.+}} [[OMP_UB_VAL_3]], 1
// CHECK: [[CMP_IV_UB:%.+]] = icmp sle {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// CHECK: [[CMP_IV_UB:%.+]] = icmp slt {{.+}} [[OMP_IV_VAL_1]], [[OMP_UB_VAL_3_PLUS_ONE]]
// CHECK: br {{.+}} [[CMP_IV_UB]], label %[[DIST_INNER_LOOP_BODY:.+]], label %[[DIST_INNER_LOOP_END:.+]]
// check that PrevLB and PrevUB are passed to the 'for'

2
clang/test/OpenMP/nvptx_target_teams_distribute_parallel_for_codegen.cpp
View File

@@ -149,7 +149,7 @@ int bar(int n){
// check exit condition
// CHECK-DAG: [[OMP_IV_VAL_1:%.+]] = load {{.+}} [[OMP_IV]],
// CHECK: [[CMP_IV_UB:%.+]] = icmp sle {{.+}} [[OMP_IV_VAL_1]], 100
// CHECK: [[CMP_IV_UB:%.+]] = icmp slt {{.+}} [[OMP_IV_VAL_1]], 100
// CHECK: br {{.+}} [[CMP_IV_UB]], label %[[DIST_INNER_LOOP_BODY:.+]], label %[[DIST_INNER_LOOP_END:.+]]
// check that PrevLB and PrevUB are passed to the 'for'