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[OPENMP]Mark the loop as started when initialized. 

Need to mark the loop as started when the initialization statement is
found. It is required to prevent possible incorrect loop iteraton
variable detection during template instantiation and fix the compiler
crash during the codegen.

llvm-svn: 349657
This commit is contained in:
Alexey Bataev 2018-12-19 18:16:37 +00:00
parent 2bb4a4901b
commit ce90181751
2 changed files with 13 additions and 1 deletions
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1
clang/lib/Sema/SemaOpenMP.cpp
View File

@ -4649,6 +4649,7 @@ void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) {
unsigned AssociatedLoops = DSAStack->getAssociatedLoops();
if (AssociatedLoops > 0 &&
isOpenMPLoopDirective(DSAStack->getCurrentDirective())) {
DSAStack->loopStart();
OpenMPIterationSpaceChecker ISC(*this, ForLoc);
if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) {
if (ValueDecl *D = ISC.getLoopDecl()) {

13
clang/test/OpenMP/nvptx_target_teams_distribute_parallel_for_codegen.cpp
View File

@ -53,6 +53,13 @@ tx ftemplate(int n) {
}
}
#pragma omp target teams distribute parallel for collapse(2)
for(int i = 0; i < n; i++) {
for(int j = 0; j < n; j++) {
c[i][j] = i + j;
}
}
#pragma omp target teams distribute parallel for map(a, v[:N])
for(int i = 0; i < n; i++)
a[i] = v[i];
@ -212,7 +219,11 @@ int bar(int n){
// CHECK: call void @__kmpc_for_static_fini(
// CHECK: ret void
// CHECK: define weak void @__omp_offloading_{{.*}}_l56(i[[SZ:64|32]] %{{[^,]+}}, [1000 x i32]* dereferenceable{{.*}}, i32* %{{[^)]+}})
// CHECK: define weak void @__omp_offloading_{{.*}}_l56(i[[SZ:64|32]] %{{[^,]+}}, [10 x [10 x i32]]* dereferenceable{{.*}})
// CHECK: call void [[OUTLINED:@__omp_outlined.*]](i32* %{{.+}}, i32* %{{.+}}, i[[SZ]] %{{.*}}, i[[SZ]] %{{.*}}, i[[SZ]] %{{.*}}, [10 x [10 x i32]]* %{{.*}})
// CHECK: define internal void [[OUTLINED]](i32* noalias %{{.*}}, i32* noalias %{{.*}} i[[SZ]] %{{.+}}, i[[SZ]] %{{.+}}, i[[SZ]] %{{.+}}, [10 x [10 x i32]]* dereferenceable{{.*}})
// CHECK: define weak void @__omp_offloading_{{.*}}_l63(i[[SZ:64|32]] %{{[^,]+}}, [1000 x i32]* dereferenceable{{.*}}, i32* %{{[^)]+}})
// CHECK: call void [[OUTLINED:@__omp_outlined.*]](i32* %{{.+}}, i32* %{{.+}}, i[[SZ]] %{{.*}}, i[[SZ]] %{{.*}}, i[[SZ]] %{{.*}}, [1000 x i32]* %{{.*}}, i32* %{{.*}})
// CHECK: define internal void [[OUTLINED]](i32* noalias %{{.*}}, i32* noalias %{{.*}} i[[SZ]] %{{.+}}, i[[SZ]] %{{.+}}, i[[SZ]] %{{.+}}, [1000 x i32]* dereferenceable{{.*}}, i32* %{{.*}})