[PATCH] D118699: [flang] Lower PAUSE statement

[Valentin Clement via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGdb01b123d012: [flang] Lower PAUSE statement (authored by clementval).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118699/new/

https://reviews.llvm.org/D118699

Files:
  flang/lib/Lower/Bridge.cpp
  flang/lib/Lower/Runtime.cpp
  flang/test/Lower/pause-statement.f90


Index: flang/test/Lower/pause-statement.f90
===================================================================
--- /dev/null
+++ flang/test/Lower/pause-statement.f90
@@ -0,0 +1,8 @@
+! RUN: bbc %s -emit-fir --canonicalize -o - | FileCheck %s
+
+! CHECK-LABEL pause_test
+subroutine pause_test()
+  ! CHECK: fir.call @_Fortran{{.*}}PauseStatement()
+  ! CHECK-NEXT: return
+  pause
+end subroutine
Index: flang/lib/Lower/Runtime.cpp
===================================================================
--- flang/lib/Lower/Runtime.cpp
+++ flang/lib/Lower/Runtime.cpp
@@ -68,3 +68,13 @@
   builder.create<fir::CallOp>(loc, callee, operands);
   genUnreachable(builder, loc);
 }
+
+void Fortran::lower::genPauseStatement(
+    Fortran::lower::AbstractConverter &converter,
+    const Fortran::parser::PauseStmt &) {
+  fir::FirOpBuilder &builder = converter.getFirOpBuilder();
+  mlir::Location loc = converter.getCurrentLocation();
+  mlir::FuncOp callee =
+      fir::runtime::getRuntimeFunc<mkRTKey(PauseStatement)>(loc, builder);
+  builder.create<fir::CallOp>(loc, callee, llvm::None);
+}
Index: flang/lib/Lower/Bridge.cpp
===================================================================
--- flang/lib/Lower/Bridge.cpp
+++ flang/lib/Lower/Bridge.cpp
@@ -547,7 +547,7 @@
   }
 
   void genFIR(const Fortran::parser::PauseStmt &stmt) {
-    TODO(toLocation(), "PauseStmt lowering");
+    genPauseStatement(*this, stmt);
   }
 
   void genFIR(const Fortran::parser::FailImageStmt &stmt) {


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