From: Jonathan Peyton <jonathan.l.peyton@intel.com>
Date: Tue, 30 Apr 2019 19:13:37 +0000 (+0000)
Subject: [OpenMP] Eliminate some compiler warnings
X-Git-Tag: llvmorg-10-init~6635
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1ca746170bb201cf396465c7ae2f0c260f6deb69;p=platform%2Fupstream%2Fllvm.git

[OpenMP] Eliminate some compiler warnings

* Remove accidental == for =
* Assign values to variables to appease compiler
* Surround debug code with KMP_DEBUG
* Remove unused local typedefs

Differential Revision: https://reviews.llvm.org/D60983

llvm-svn: 359599
---

diff --git a/openmp/runtime/src/kmp_affinity.cpp b/openmp/runtime/src/kmp_affinity.cpp
index bfbbdd8..9d08254 100644
--- a/openmp/runtime/src/kmp_affinity.cpp
+++ b/openmp/runtime/src/kmp_affinity.cpp
@@ -544,7 +544,7 @@ static int __kmp_hwloc_check_numa() {
   if (hN != NULL && hN->depth > hS->depth) {
     __kmp_numa_detected = TRUE; // socket includes node(s)
     if (__kmp_affinity_gran == affinity_gran_node) {
-      __kmp_affinity_gran == affinity_gran_numa;
+      __kmp_affinity_gran = affinity_gran_numa;
     }
   }
 
diff --git a/openmp/runtime/src/kmp_atomic.cpp b/openmp/runtime/src/kmp_atomic.cpp
index cd5d8c8..9940797 100644
--- a/openmp/runtime/src/kmp_atomic.cpp
+++ b/openmp/runtime/src/kmp_atomic.cpp
@@ -2565,6 +2565,8 @@ ATOMIC_CMPX_L_CPT(fixed8, orl_cpt, kmp_int64, 64, ||,
       new_value = rhs;                                                         \
     else                                                                       \
       new_value = old_value;                                                   \
+  } else {                                                                     \
+    new_value = *lhs;                                                          \
   }                                                                            \
   __kmp_release_atomic_lock(&ATOMIC_LOCK##LCK_ID, gtid);                       \
   return new_value;
diff --git a/openmp/runtime/src/kmp_dispatch_hier.h b/openmp/runtime/src/kmp_dispatch_hier.h
index ce507c0..3fde9bb 100644
--- a/openmp/runtime/src/kmp_dispatch_hier.h
+++ b/openmp/runtime/src/kmp_dispatch_hier.h
@@ -208,7 +208,7 @@ template <typename T> struct kmp_hier_shared_bdata_t {
 // Can be used in a unit with between 2 to 8 threads
 template <typename T> class core_barrier_impl {
   static inline kmp_uint64 get_wait_val(int num_active) {
-    kmp_uint64 wait_val;
+    kmp_uint64 wait_val = 0LL;
     switch (num_active) {
     case 2:
       wait_val = 0x0101LL;
@@ -424,6 +424,7 @@ template <typename T> struct kmp_hier_top_unit_t {
 
   kmp_int32 is_active() const { return active; }
   kmp_int32 get_num_active() const { return active; }
+#ifdef KMP_DEBUG
   void print() {
     KD_TRACE(
         10,
@@ -431,6 +432,7 @@ template <typename T> struct kmp_hier_top_unit_t {
          active, &hier_pr, hier_pr.u.p.lb, hier_pr.u.p.ub, hier_pr.u.p.st,
          hier_pr.u.p.tc));
   }
+#endif
 };
 
 // Information regarding a single layer within the scheduling hierarchy
@@ -441,6 +443,7 @@ template <typename T> struct kmp_hier_layer_info_t {
   typename traits_t<T>::signed_t chunk; // chunk size associated with schedule
   int length; // length of the kmp_hier_top_unit_t array
 
+#ifdef KMP_DEBUG
   // Print this layer's information
   void print() {
     const char *t = __kmp_get_hier_str(type);
@@ -450,6 +453,7 @@ template <typename T> struct kmp_hier_layer_info_t {
          "length:%d\n",
          num_active, t, sched, chunk, length));
   }
+#endif
 };
 
 /*
@@ -887,6 +891,7 @@ public:
   int get_top_level_nproc() const { return top_level_nproc; }
   // Return whether this hierarchy is valid or not
   bool is_valid() const { return valid; }
+#ifdef KMP_DEBUG
   // Print the hierarchy
   void print() {
     KD_TRACE(10, ("kmp_hier_t:\n"));
@@ -901,6 +906,7 @@ public:
       }
     }
   }
+#endif
 };
 
 template <typename T>
@@ -910,8 +916,6 @@ void __kmp_dispatch_init_hierarchy(ident_t *loc, int n,
                                    typename traits_t<T>::signed_t *new_chunks,
                                    T lb, T ub,
                                    typename traits_t<T>::signed_t st) {
-  typedef typename traits_t<T>::signed_t ST;
-  typedef typename traits_t<T>::unsigned_t UT;
   int tid, gtid, num_hw_threads, num_threads_per_layer1, active;
   int my_buffer_index;
   kmp_info_t *th;