r345527 - [OpenMP] Fix condition.

Gheorghe-Teodor Bercea via cfe-commits cfe-commits at lists.llvm.org
Mon Oct 29 12:44:26 PDT 2018


Author: gbercea
Date: Mon Oct 29 12:44:25 2018
New Revision: 345527

URL: http://llvm.org/viewvc/llvm-project?rev=345527&view=rev
Log:
[OpenMP] Fix condition.

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

Modified:
    cfe/trunk/lib/Sema/SemaOpenMP.cpp
    cfe/trunk/test/OpenMP/distribute_parallel_for_codegen.cpp
    cfe/trunk/test/OpenMP/distribute_parallel_for_simd_codegen.cpp
    cfe/trunk/test/OpenMP/nvptx_target_teams_distribute_parallel_for_codegen.cpp

Modified: cfe/trunk/lib/Sema/SemaOpenMP.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOpenMP.cpp?rev=345527&r1=345526&r2=345527&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaOpenMP.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOpenMP.cpp Mon Oct 29 12:44:25 2018
@@ -5299,7 +5299,8 @@ checkOpenMPLoop(OpenMPDirectiveKind DKin
   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;

Modified: cfe/trunk/test/OpenMP/distribute_parallel_for_codegen.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/distribute_parallel_for_codegen.cpp?rev=345527&r1=345526&r2=345527&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/distribute_parallel_for_codegen.cpp (original)
+++ cfe/trunk/test/OpenMP/distribute_parallel_for_codegen.cpp Mon Oct 29 12:44:25 2018
@@ -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'

Modified: cfe/trunk/test/OpenMP/distribute_parallel_for_simd_codegen.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/distribute_parallel_for_simd_codegen.cpp?rev=345527&r1=345526&r2=345527&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/distribute_parallel_for_simd_codegen.cpp (original)
+++ cfe/trunk/test/OpenMP/distribute_parallel_for_simd_codegen.cpp Mon Oct 29 12:44:25 2018
@@ -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'

Modified: cfe/trunk/test/OpenMP/nvptx_target_teams_distribute_parallel_for_codegen.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/nvptx_target_teams_distribute_parallel_for_codegen.cpp?rev=345527&r1=345526&r2=345527&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/nvptx_target_teams_distribute_parallel_for_codegen.cpp (original)
+++ cfe/trunk/test/OpenMP/nvptx_target_teams_distribute_parallel_for_codegen.cpp Mon Oct 29 12:44:25 2018
@@ -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'




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