Files
clang-p2996/flang/test/Transforms/generic-loop-rewriting.mlir
Kareem Ergawy 1e2d5f7943 [NFC][mlir][OpenMP] Remove mentions of target from generic loop rewrite (#124528)
This removes mentions of `target` from the generic `loop` rewrite pass
since there is not need for it anyway. It is enough to detect `loop`'s
nesting within `teams` or `parallel` directives.
2025-01-27 16:44:17 +01:00

51 lines
1.7 KiB
MLIR

// RUN: fir-opt --omp-generic-loop-conversion %s | FileCheck %s
omp.private {type = private} @_QFteams_loopEi_private_ref_i32 : !fir.ref<i32> alloc {
^bb0(%arg0: !fir.ref<i32>):
omp.yield(%arg0 : !fir.ref<i32>)
}
func.func @_QPteams_loop() {
%i = fir.alloca i32
omp.teams {
%c0 = arith.constant 0 : i32
%c10 = arith.constant 10 : i32
%c1 = arith.constant 1 : i32
omp.loop private(@_QFteams_loopEi_private_ref_i32 %i -> %arg2 : !fir.ref<i32>) {
omp.loop_nest (%arg3) : i32 = (%c0) to (%c10) inclusive step (%c1) {
fir.store %arg3 to %arg2 : !fir.ref<i32>
omp.yield
}
}
omp.terminator
}
return
}
// CHECK-LABEL: func.func @_QPteams_loop
// CHECK: %[[I:.*]] = fir.alloca i32
// CHECK: omp.teams {
//
// TODO we probably need to move the `loop_nest` bounds ops from the `teams`
// region to the `parallel` region to avoid making these values `shared`. We can
// find the backward slices of these bounds that are within the `teams` region
// and move these slices to the `parallel` op.
// CHECK: %[[LB:.*]] = arith.constant 0 : i32
// CHECK: %[[UB:.*]] = arith.constant 10 : i32
// CHECK: %[[STEP:.*]] = arith.constant 1 : i32
//
// CHECK: omp.parallel private(@{{.*}} %[[I]]
// CHECK-SAME: -> %[[I_PRIV_ARG:[^[:space:]]+]] : !fir.ref<i32>) {
// CHECK: omp.distribute {
// CHECK: omp.wsloop {
//
// CHECK: omp.loop_nest (%{{.*}}) : i32 =
// CHECK-SAME: (%[[LB]]) to (%[[UB]]) inclusive step (%[[STEP]]) {
// CHECK: fir.store %{{.*}} to %[[I_PRIV_ARG]] : !fir.ref<i32>
// CHECK: }
// CHECK: }
// CHECK: }
// CHECK: }
// CHECK: }