[Openmp-commits] [PATCH] D151517: Fix wrong error message when compiling C souce code

[Jennifer Yu via Phabricator via Openmp-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGacb1b4fbb793: Fix wrong error message when compiling C souce code: (authored by jyu2).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151517/new/

https://reviews.llvm.org/D151517

Files:
  clang/lib/Parse/ParseOpenMP.cpp
  clang/test/OpenMP/target_uses_allocators.c


Index: clang/test/OpenMP/target_uses_allocators.c
===================================================================
--- clang/test/OpenMP/target_uses_allocators.c
+++ clang/test/OpenMP/target_uses_allocators.c
@@ -2,6 +2,8 @@
 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50  -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s
 // RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -verify -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -include-pch %t %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -verify -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -include-pch %t %s -emit-llvm -o - | FileCheck %s
 
 #ifndef HEADER
 #define HEADER
@@ -19,9 +21,27 @@
   KMP_ALLOCATOR_MAX_HANDLE = __UINTPTR_MAX__
 } omp_allocator_handle_t;
 
+typedef enum omp_alloctrait_key_t { omp_atk_sync_hint = 1,
+                                    omp_atk_alignment = 2,
+                                    omp_atk_access = 3,
+                                    omp_atk_pool_size = 4,
+                                    omp_atk_fallback = 5,
+                                    omp_atk_fb_data = 6,
+                                    omp_atk_pinned = 7,
+                                    omp_atk_partition = 8
+} omp_alloctrait_key_t;
+
+typedef struct omp_alloctrait_t {
+  omp_alloctrait_key_t key;
+  __UINTPTR_TYPE__ value;
+} omp_alloctrait_t;
+
+
 // CHECK: define {{.*}}[[FIE:@.+]]()
 void fie(void) {
   int x;
+  omp_allocator_handle_t my_allocator;
+  omp_alloctrait_t traits[10];
   #pragma omp target uses_allocators(omp_null_allocator) allocate(omp_null_allocator: x) firstprivate(x)
   {}
   #pragma omp target uses_allocators(omp_default_mem_alloc) allocate(omp_default_mem_alloc: x) firstprivate(x)
@@ -40,6 +60,8 @@
   {}
   #pragma omp target uses_allocators(omp_thread_mem_alloc) allocate(omp_thread_mem_alloc: x) firstprivate(x) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target' directive}}
   {}
+#pragma omp target uses_allocators(omp_null_allocator, omp_thread_mem_alloc, my_allocator(traits))
+  {}
 }
 
 #endif
@@ -106,3 +128,16 @@
 // CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
 // CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
 // CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 8 to ptr))
+
+// CHECK: [[TRAITS_ADDR_REF:%.+]] = alloca ptr,
+// CHECK: [[MY_ALLOCATOR_ADDR:%.+]] = alloca i64,
+// CHECK: [[TRAITS_ADDR:%.+]] = load ptr, ptr [[TRAITS_ADDR_REF]],
+// CHECK: [[TRAITS:%.+]] = load ptr, ptr [[TRAITS_ADDR]],
+// CHECK: [[ALLOCATOR:%.+]] = call ptr @__kmpc_init_allocator(i32 %{{.+}}, ptr null, i32 10, ptr [[TRAITS]])
+// CHECK: [[CONV:%.+]] = ptrtoint ptr [[ALLOCATOR]] to i64
+// CHECK: store i64 [[CONV]], ptr [[MY_ALLOCATOR_ADDR]],
+
+// Destroy allocator upon exit from the region.
+// CHECK: [[ALLOCATOR:%.+]] = load i64, ptr [[MY_ALLOCATOR_ADDR]],
+// CHECK: [[CONV:%.+]] = inttoptr i64 [[ALLOCATOR]] to ptr
+// CHECK: call void @__kmpc_destroy_allocator(i32 %{{.+}}, ptr [[CONV]])
Index: clang/lib/Parse/ParseOpenMP.cpp
===================================================================
--- clang/lib/Parse/ParseOpenMP.cpp
+++ clang/lib/Parse/ParseOpenMP.cpp
@@ -3103,8 +3103,13 @@
     return nullptr;
   SmallVector<Sema::UsesAllocatorsData, 4> Data;
   do {
+    CXXScopeSpec SS;
+    Token Replacement;
     ExprResult Allocator =
-        getLangOpts().CPlusPlus ? ParseCXXIdExpression() : ParseExpression();
+        getLangOpts().CPlusPlus
+            ? ParseCXXIdExpression()
+            : tryParseCXXIdExpression(SS, /*isAddressOfOperand=*/false,
+                                      Replacement);
     if (Allocator.isInvalid()) {
       SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end,
                 StopBeforeMatch);


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