Files
clang-p2996/mlir/test/Target/LLVMIR/openmp-llvm-invalid.mlir
Shraiysh Vaishay 31486a9fc2 [mlir][OpenMP] Added translation from omp.atomic.capture to LLVM IR
This patch adds translation from `omp.atomic.capture` to LLVM IR. Also
added tests for the same.

Depends on D121546

Reviewed By: ftynse

Differential Revision: https://reviews.llvm.org/D121554
2022-03-21 16:39:36 +05:30

70 lines
2.7 KiB
MLIR

// RUN: mlir-translate -mlir-to-llvmir %s -split-input-file -verify-diagnostics
// Checking translation when the update is carried out by using more than one op
// in the region.
llvm.func @omp_atomic_update_multiple_step_update(%x: !llvm.ptr<i32>, %expr: i32) {
// expected-error @+2 {{exactly two operations are allowed inside an atomic update region while lowering to LLVM IR}}
// expected-error @+1 {{LLVM Translation failed for operation: omp.atomic.update}}
omp.atomic.update %x : !llvm.ptr<i32> {
^bb0(%xval: i32):
%t1 = llvm.mul %xval, %expr : i32
%t2 = llvm.sdiv %t1, %expr : i32
%newval = llvm.add %xval, %t2 : i32
omp.yield(%newval : i32)
}
llvm.return
}
// -----
// Checking translation when the captured variable is not used in the inner
// update operation
llvm.func @omp_atomic_update_multiple_step_update(%x: !llvm.ptr<i32>, %expr: i32) {
// expected-error @+2 {{the update operation inside the region must be a binary operation and that update operation must have the region argument as an operand}}
// expected-error @+1 {{LLVM Translation failed for operation: omp.atomic.update}}
omp.atomic.update %x : !llvm.ptr<i32> {
^bb0(%xval: i32):
%newval = llvm.mul %expr, %expr : i32
omp.yield(%newval : i32)
}
llvm.return
}
// -----
// Checking translation when the update is carried out by using more than one
// operations in the atomic capture region.
llvm.func @omp_atomic_update_multiple_step_update(%x: !llvm.ptr<i32>, %v: !llvm.ptr<i32>, %expr: i32) {
// expected-error @+1 {{LLVM Translation failed for operation: omp.atomic.capture}}
omp.atomic.capture memory_order(seq_cst) {
omp.atomic.read %v = %x : !llvm.ptr<i32>
// expected-error @+1 {{the update operation inside the region must be a binary operation and that update operation must have the region argument as an operand}}
omp.atomic.update %x : !llvm.ptr<i32> {
^bb0(%xval: i32):
%newval = llvm.mul %expr, %expr : i32
omp.yield(%newval : i32)
}
}
llvm.return
}
// -----
// Checking translation when the captured variable is not used in the inner
// update operation
llvm.func @omp_atomic_update_multiple_step_update(%x: !llvm.ptr<i32>, %v: !llvm.ptr<i32>, %expr: i32) {
// expected-error @+1 {{LLVM Translation failed for operation: omp.atomic.capture}}
omp.atomic.capture memory_order(seq_cst) {
omp.atomic.read %v = %x : !llvm.ptr<i32>
// expected-error @+1 {{exactly two operations are allowed inside an atomic update region while lowering to LLVM IR}}
omp.atomic.update %x : !llvm.ptr<i32> {
^bb0(%xval: i32):
%t1 = llvm.mul %xval, %expr : i32
%t2 = llvm.sdiv %t1, %expr : i32
%newval = llvm.add %xval, %t2 : i32
omp.yield(%newval : i32)
}
}
llvm.return
}