[flang-commits] [flang] [llvm] [flang][OpenMP] Overhaul implementation of ATOMIC construct (PR #137852)

[via flang-commits]

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@@ -0,0 +1,82 @@
+!RUN: %flang_fc1 -fopenmp -fopenmp-version=60 -emit-hlfir -mmlir -fdebug-dump-atomic-analysis %s -o /dev/null 2>&1 | FileCheck %s
+
+subroutine f00(x)
+  integer :: x, v
+  !$omp atomic read
+    v = x
+end
+
+!CHECK: Analysis {
+!CHECK-NEXT:   atom: x
+!CHECK-NEXT:   cond: <null>
+!CHECK-NEXT:   op0 {
+!CHECK-NEXT:     what: Read
+!CHECK-NEXT:     assign: v=x
+!CHECK-NEXT:   }
+!CHECK-NEXT:   op1 {
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NimishMishra wrote:

Nit: In cases where op1 is NULL, is it better to simply skip dumping it? 

https://github.com/llvm/llvm-project/pull/137852