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|
// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s
// Only check the overall shape of the code and the presence of relevant
// runtime calls. Actual IR checking is done at the OpenMPIRBuilder level.
omp.declare_reduction @add_f32 : f32
init {
^bb0(%arg: f32):
%0 = llvm.mlir.constant(0.0 : f32) : f32
omp.yield (%0 : f32)
}
combiner {
^bb1(%arg0: f32, %arg1: f32):
%1 = llvm.fadd %arg0, %arg1 : f32
omp.yield (%1 : f32)
}
atomic {
^bb2(%arg2: !llvm.ptr, %arg3: !llvm.ptr):
%2 = llvm.load %arg3 : !llvm.ptr -> f32
llvm.atomicrmw fadd %arg2, %2 monotonic : !llvm.ptr, f32
omp.yield
}
// CHECK-LABEL: @simple_reduction
llvm.func @simple_reduction(%lb : i64, %ub : i64, %step : i64) {
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
omp.parallel {
omp.wsloop reduction(@add_f32 %0 -> %prv : !llvm.ptr) {
omp.loop_nest (%iv) : i64 = (%lb) to (%ub) step (%step) {
%1 = llvm.mlir.constant(2.0 : f32) : f32
%2 = llvm.load %prv : !llvm.ptr -> f32
%3 = llvm.fadd %1, %2 : f32
llvm.store %3, %prv : f32, !llvm.ptr
omp.yield
}
omp.terminator
}
omp.terminator
}
llvm.return
}
// Call to the outlined function.
// CHECK: call void {{.*}} @__kmpc_fork_call
// CHECK-SAME: @[[OUTLINED:[A-Za-z_.][A-Za-z0-9_.]*]]
// Outlined function.
// CHECK: define internal void @[[OUTLINED]]
// Private reduction variable and its initialization.
// CHECK: %[[PRIVATE:.+]] = alloca float
// CHECK: store float 0.000000e+00, ptr %[[PRIVATE]]
// Call to the reduction function.
// CHECK: call i32 @__kmpc_reduce
// CHECK-SAME: @[[REDFUNC:[A-Za-z_.][A-Za-z0-9_.]*]]
// Atomic reduction.
// CHECK: %[[PARTIAL:.+]] = load float, ptr %[[PRIVATE]]
// CHECK: atomicrmw fadd ptr %{{.*}}, float %[[PARTIAL]]
// Non-atomic reduction:
// CHECK: fadd float
// CHECK: call void @__kmpc_end_reduce
// CHECK: br label %[[FINALIZE:.+]]
// CHECK: [[FINALIZE]]:
// CHECK: call void @__kmpc_barrier
// Update of the private variable using the reduction region
// (the body block currently comes after all the other blocks).
// CHECK: %[[PARTIAL:.+]] = load float, ptr %[[PRIVATE]]
// CHECK: %[[UPDATED:.+]] = fadd float 2.000000e+00, %[[PARTIAL]]
// CHECK: store float %[[UPDATED]], ptr %[[PRIVATE]]
// Reduction function.
// CHECK: define internal void @[[REDFUNC]]
// CHECK: fadd float
// -----
omp.declare_reduction @add_f32 : f32
init {
^bb0(%arg: f32):
%0 = llvm.mlir.constant(0.0 : f32) : f32
omp.yield (%0 : f32)
}
combiner {
^bb1(%arg0: f32, %arg1: f32):
%1 = llvm.fadd %arg0, %arg1 : f32
omp.yield (%1 : f32)
}
atomic {
^bb2(%arg2: !llvm.ptr, %arg3: !llvm.ptr):
%2 = llvm.load %arg3 : !llvm.ptr -> f32
llvm.atomicrmw fadd %arg2, %2 monotonic : !llvm.ptr, f32
omp.yield
}
// When the same reduction declaration is used several times, its regions
// are translated several times, which shouldn't lead to value/block
// remapping assertions.
// CHECK-LABEL: @reuse_declaration
llvm.func @reuse_declaration(%lb : i64, %ub : i64, %step : i64) {
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
%2 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
omp.parallel {
omp.wsloop reduction(@add_f32 %0 -> %prv0 : !llvm.ptr, @add_f32 %2 -> %prv1 : !llvm.ptr) {
omp.loop_nest (%iv) : i64 = (%lb) to (%ub) step (%step) {
%1 = llvm.mlir.constant(2.0 : f32) : f32
%3 = llvm.load %prv0 : !llvm.ptr -> f32
%4 = llvm.fadd %3, %1 : f32
llvm.store %4, %prv0 : f32, !llvm.ptr
%5 = llvm.load %prv1 : !llvm.ptr -> f32
%6 = llvm.fadd %5, %1 : f32
llvm.store %6, %prv1 : f32, !llvm.ptr
omp.yield
}
omp.terminator
}
omp.terminator
}
llvm.return
}
// Call to the outlined function.
// CHECK: call void {{.*}} @__kmpc_fork_call
// CHECK-SAME: @[[OUTLINED:[A-Za-z_.][A-Za-z0-9_.]*]]
// Outlined function.
// CHECK: define internal void @[[OUTLINED]]
// Private reduction variable and its initialization.
// CHECK: %[[PRIVATE1:.+]] = alloca float
// CHECK: %[[PRIVATE2:.+]] = alloca float
// CHECK: store float 0.000000e+00, ptr %[[PRIVATE1]]
// CHECK: store float 0.000000e+00, ptr %[[PRIVATE2]]
// Call to the reduction function.
// CHECK: call i32 @__kmpc_reduce
// CHECK-SAME: @[[REDFUNC:[A-Za-z_.][A-Za-z0-9_.]*]]
// Atomic reduction.
// CHECK: %[[PARTIAL1:.+]] = load float, ptr %[[PRIVATE1]]
// CHECK: atomicrmw fadd ptr %{{.*}}, float %[[PARTIAL1]]
// CHECK: %[[PARTIAL2:.+]] = load float, ptr %[[PRIVATE2]]
// CHECK: atomicrmw fadd ptr %{{.*}}, float %[[PARTIAL2]]
// Non-atomic reduction:
// CHECK: fadd float
// CHECK: fadd float
// CHECK: call void @__kmpc_end_reduce
// CHECK: br label %[[FINALIZE:.+]]
// CHECK: [[FINALIZE]]:
// CHECK: call void @__kmpc_barrier
// Update of the private variable using the reduction region
// (the body block currently comes after all the other blocks).
// CHECK: %[[PARTIAL1:.+]] = load float, ptr %[[PRIVATE1]]
// CHECK: %[[UPDATED1:.+]] = fadd float %[[PARTIAL1]], 2.000000e+00
// CHECK: store float %[[UPDATED1]], ptr %[[PRIVATE1]]
// CHECK: %[[PARTIAL2:.+]] = load float, ptr %[[PRIVATE2]]
// CHECK: %[[UPDATED2:.+]] = fadd float %[[PARTIAL2]], 2.000000e+00
// CHECK: store float %[[UPDATED2]], ptr %[[PRIVATE2]]
// Reduction function.
// CHECK: define internal void @[[REDFUNC]]
// CHECK: fadd float
// CHECK: fadd float
// -----
omp.declare_reduction @add_f32 : f32
init {
^bb0(%arg: f32):
%0 = llvm.mlir.constant(0.0 : f32) : f32
omp.yield (%0 : f32)
}
combiner {
^bb1(%arg0: f32, %arg1: f32):
%1 = llvm.fadd %arg0, %arg1 : f32
omp.yield (%1 : f32)
}
atomic {
^bb2(%arg2: !llvm.ptr, %arg3: !llvm.ptr):
%2 = llvm.load %arg3 : !llvm.ptr -> f32
llvm.atomicrmw fadd %arg2, %2 monotonic : !llvm.ptr, f32
omp.yield
}
// It's okay not to reference the reduction variable in the body.
// CHECK-LABEL: @missing_omp_reduction
llvm.func @missing_omp_reduction(%lb : i64, %ub : i64, %step : i64) {
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
%2 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
omp.parallel {
omp.wsloop reduction(@add_f32 %0 -> %prv0 : !llvm.ptr, @add_f32 %2 -> %prv1 : !llvm.ptr) {
omp.loop_nest (%iv) : i64 = (%lb) to (%ub) step (%step) {
%1 = llvm.mlir.constant(2.0 : f32) : f32
%3 = llvm.load %prv0 : !llvm.ptr -> f32
%4 = llvm.fadd %3, %1 : f32
llvm.store %4, %prv0 : f32, !llvm.ptr
omp.yield
}
omp.terminator
}
omp.terminator
}
llvm.return
}
// Call to the outlined function.
// CHECK: call void {{.*}} @__kmpc_fork_call
// CHECK-SAME: @[[OUTLINED:[A-Za-z_.][A-Za-z0-9_.]*]]
// Outlined function.
// CHECK: define internal void @[[OUTLINED]]
// Private reduction variable and its initialization.
// CHECK: %[[PRIVATE1:.+]] = alloca float
// CHECK: %[[PRIVATE2:.+]] = alloca float
// CHECK: store float 0.000000e+00, ptr %[[PRIVATE1]]
// CHECK: store float 0.000000e+00, ptr %[[PRIVATE2]]
// Call to the reduction function.
// CHECK: call i32 @__kmpc_reduce
// CHECK-SAME: @[[REDFUNC:[A-Za-z_.][A-Za-z0-9_.]*]]
// Atomic reduction.
// CHECK: %[[PARTIAL1:.+]] = load float, ptr %[[PRIVATE1]]
// CHECK: atomicrmw fadd ptr %{{.*}}, float %[[PARTIAL1]]
// CHECK: %[[PARTIAL2:.+]] = load float, ptr %[[PRIVATE2]]
// CHECK: atomicrmw fadd ptr %{{.*}}, float %[[PARTIAL2]]
// Non-atomic reduction:
// CHECK: fadd float
// CHECK: fadd float
// CHECK: call void @__kmpc_end_reduce
// CHECK: br label %[[FINALIZE:.+]]
// CHECK: [[FINALIZE]]:
// CHECK: call void @__kmpc_barrier
// Update of the private variable using the reduction region
// (the body block currently comes after all the other blocks).
// CHECK: %[[PARTIAL1:.+]] = load float, ptr %[[PRIVATE1]]
// CHECK: %[[UPDATED1:.+]] = fadd float %[[PARTIAL1]], 2.000000e+00
// CHECK: store float %[[UPDATED1]], ptr %[[PRIVATE1]]
// CHECK-NOT: %{{.*}} = load float, ptr %[[PRIVATE2]]
// CHECK-NOT: %{{.*}} = fadd float %[[PARTIAL2]], 2.000000e+00
// Reduction function.
// CHECK: define internal void @[[REDFUNC]]
// CHECK: fadd float
// CHECK: fadd float
// -----
omp.declare_reduction @add_f32 : f32
init {
^bb0(%arg: f32):
%0 = llvm.mlir.constant(0.0 : f32) : f32
omp.yield (%0 : f32)
}
combiner {
^bb1(%arg0: f32, %arg1: f32):
%1 = llvm.fadd %arg0, %arg1 : f32
omp.yield (%1 : f32)
}
atomic {
^bb2(%arg2: !llvm.ptr, %arg3: !llvm.ptr):
%2 = llvm.load %arg3 : !llvm.ptr -> f32
llvm.atomicrmw fadd %arg2, %2 monotonic : !llvm.ptr, f32
omp.yield
}
// It's okay to refer to the same reduction variable more than once in the
// body.
// CHECK-LABEL: @double_reference
llvm.func @double_reference(%lb : i64, %ub : i64, %step : i64) {
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
omp.parallel {
omp.wsloop reduction(@add_f32 %0 -> %prv : !llvm.ptr) {
omp.loop_nest (%iv) : i64 = (%lb) to (%ub) step (%step) {
%1 = llvm.mlir.constant(2.0 : f32) : f32
%2 = llvm.load %prv : !llvm.ptr -> f32
%3 = llvm.fadd %2, %1 : f32
llvm.store %3, %prv : f32, !llvm.ptr
%4 = llvm.load %prv : !llvm.ptr -> f32
%5 = llvm.fadd %4, %1 : f32
llvm.store %5, %prv : f32, !llvm.ptr
omp.yield
}
omp.terminator
}
omp.terminator
}
llvm.return
}
// Call to the outlined function.
// CHECK: call void {{.*}} @__kmpc_fork_call
// CHECK-SAME: @[[OUTLINED:[A-Za-z_.][A-Za-z0-9_.]*]]
// Outlined function.
// CHECK: define internal void @[[OUTLINED]]
// Private reduction variable and its initialization.
// CHECK: %[[PRIVATE:.+]] = alloca float
// CHECK: store float 0.000000e+00, ptr %[[PRIVATE]]
// Call to the reduction function.
// CHECK: call i32 @__kmpc_reduce
// CHECK-SAME: @[[REDFUNC:[A-Za-z_.][A-Za-z0-9_.]*]]
// Atomic reduction.
// CHECK: %[[PARTIAL:.+]] = load float, ptr %[[PRIVATE]]
// CHECK: atomicrmw fadd ptr %{{.*}}, float %[[PARTIAL]]
// Non-atomic reduction:
// CHECK: fadd float
// CHECK: call void @__kmpc_end_reduce
// CHECK: br label %[[FINALIZE:.+]]
// CHECK: [[FINALIZE]]:
// CHECK: call void @__kmpc_barrier
// Update of the private variable using the reduction region
// (the body block currently comes after all the other blocks).
// CHECK: %[[PARTIAL:.+]] = load float, ptr %[[PRIVATE]]
// CHECK: %[[UPDATED:.+]] = fadd float %[[PARTIAL]], 2.000000e+00
// CHECK: store float %[[UPDATED]], ptr %[[PRIVATE]]
// CHECK: %[[PARTIAL:.+]] = load float, ptr %[[PRIVATE]]
// CHECK: %[[UPDATED:.+]] = fadd float %[[PARTIAL]], 2.000000e+00
// CHECK: store float %[[UPDATED]], ptr %[[PRIVATE]]
// Reduction function.
// CHECK: define internal void @[[REDFUNC]]
// CHECK: fadd float
// -----
omp.declare_reduction @add_f32 : f32
init {
^bb0(%arg: f32):
%0 = llvm.mlir.constant(0.0 : f32) : f32
omp.yield (%0 : f32)
}
combiner {
^bb1(%arg0: f32, %arg1: f32):
%1 = llvm.fadd %arg0, %arg1 : f32
omp.yield (%1 : f32)
}
atomic {
^bb2(%arg2: !llvm.ptr, %arg3: !llvm.ptr):
%2 = llvm.load %arg3 : !llvm.ptr -> f32
llvm.atomicrmw fadd %arg2, %2 monotonic : !llvm.ptr, f32
omp.yield
}
omp.declare_reduction @mul_f32 : f32
init {
^bb0(%arg: f32):
%0 = llvm.mlir.constant(1.0 : f32) : f32
omp.yield (%0 : f32)
}
combiner {
^bb1(%arg0: f32, %arg1: f32):
%1 = llvm.fmul %arg0, %arg1 : f32
omp.yield (%1 : f32)
}
// CHECK-LABEL: @no_atomic
llvm.func @no_atomic(%lb : i64, %ub : i64, %step : i64) {
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
%2 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
omp.parallel {
omp.wsloop reduction(@add_f32 %0 -> %prv0 : !llvm.ptr, @mul_f32 %2 -> %prv1 : !llvm.ptr) {
omp.loop_nest (%iv) : i64 = (%lb) to (%ub) step (%step) {
%1 = llvm.mlir.constant(2.0 : f32) : f32
%3 = llvm.load %prv0 : !llvm.ptr -> f32
%4 = llvm.fadd %3, %1 : f32
llvm.store %4, %prv0 : f32, !llvm.ptr
%5 = llvm.load %prv1 : !llvm.ptr -> f32
%6 = llvm.fmul %5, %1 : f32
llvm.store %6, %prv1 : f32, !llvm.ptr
omp.yield
}
omp.terminator
}
omp.terminator
}
llvm.return
}
// Call to the outlined function.
// CHECK: call void {{.*}} @__kmpc_fork_call
// CHECK-SAME: @[[OUTLINED:[A-Za-z_.][A-Za-z0-9_.]*]]
// Outlined function.
// CHECK: define internal void @[[OUTLINED]]
// Private reduction variable and its initialization.
// CHECK: %[[PRIVATE1:.+]] = alloca float
// CHECK: %[[PRIVATE2:.+]] = alloca float
// CHECK: store float 0.000000e+00, ptr %[[PRIVATE1]]
// CHECK: store float 1.000000e+00, ptr %[[PRIVATE2]]
// Call to the reduction function.
// CHECK: call i32 @__kmpc_reduce
// CHECK-SAME: @[[REDFUNC:[A-Za-z_.][A-Za-z0-9_.]*]]
// Atomic reduction not provided.
// CHECK: unreachable
// Non-atomic reduction:
// CHECK: fadd float
// CHECK: fmul float
// CHECK: call void @__kmpc_end_reduce
// CHECK: br label %[[FINALIZE:.+]]
// CHECK: [[FINALIZE]]:
// CHECK: call void @__kmpc_barrier
// Update of the private variable using the reduction region
// (the body block currently comes after all the other blocks).
// CHECK: %[[PARTIAL1:.+]] = load float, ptr %[[PRIVATE1]]
// CHECK: %[[UPDATED1:.+]] = fadd float %[[PARTIAL1]], 2.000000e+00
// CHECK: store float %[[UPDATED1]], ptr %[[PRIVATE1]]
// CHECK: %[[PARTIAL2:.+]] = load float, ptr %[[PRIVATE2]]
// CHECK: %[[UPDATED2:.+]] = fmul float %[[PARTIAL2]], 2.000000e+00
// CHECK: store float %[[UPDATED2]], ptr %[[PRIVATE2]]
// Reduction function.
// CHECK: define internal void @[[REDFUNC]]
// CHECK: fadd float
// CHECK: fmul float
// -----
omp.declare_reduction @add_f32 : f32
init {
^bb0(%arg: f32):
%0 = llvm.mlir.constant(0.0 : f32) : f32
omp.yield (%0 : f32)
}
combiner {
^bb1(%arg0: f32, %arg1: f32):
%1 = llvm.fadd %arg0, %arg1 : f32
omp.yield (%1 : f32)
}
atomic {
^bb2(%arg2: !llvm.ptr, %arg3: !llvm.ptr):
%2 = llvm.load %arg3 : !llvm.ptr -> f32
llvm.atomicrmw fadd %arg2, %2 monotonic : !llvm.ptr, f32
omp.yield
}
// CHECK-LABEL: @simple_reduction_parallel
llvm.func @simple_reduction_parallel() {
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
omp.parallel reduction(@add_f32 %0 -> %prv : !llvm.ptr) {
%1 = llvm.mlir.constant(2.0 : f32) : f32
%2 = llvm.load %prv : !llvm.ptr -> f32
%3 = llvm.fadd %2, %1 : f32
llvm.store %3, %prv : f32, !llvm.ptr
omp.terminator
}
llvm.return
}
// Call to the outlined function.
// CHECK: call void {{.*}} @__kmpc_fork_call
// CHECK-SAME: @[[OUTLINED:[A-Za-z_.][A-Za-z0-9_.]*]]
// Outlined function.
// CHECK: define internal void @[[OUTLINED]]
// Private reduction variable and its initialization.
// CHECK: %[[PRIVATE:.+]] = alloca float
// CHECK: store float 0.000000e+00, ptr %[[PRIVATE]]
// Update of the private variable
// CHECK: %[[PARTIAL:.+]] = load float, ptr %[[PRIVATE]]
// CHECK: %[[UPDATED:.+]] = fadd float %[[PARTIAL]], 2.000000e+00
// CHECK: store float %[[UPDATED]], ptr %[[PRIVATE]]
// Call to the reduction function.
// CHECK: call i32 @__kmpc_reduce
// CHECK-SAME: @[[REDFUNC:[A-Za-z_.][A-Za-z0-9_.]*]]
// Atomic reduction.
// CHECK: %[[PARTIAL:.+]] = load float, ptr %[[PRIVATE]]
// CHECK: atomicrmw fadd ptr %{{.*}}, float %[[PARTIAL]]
// Non-atomic reduction:
// CHECK: fadd float
// CHECK: call void @__kmpc_end_reduce
// CHECK: br label %[[FINALIZE:.+]]
// CHECK: [[FINALIZE]]:
// Reduction function.
// CHECK: define internal void @[[REDFUNC]]
// CHECK: fadd float
// -----
omp.declare_reduction @add_i32 : i32
init {
^bb0(%arg: i32):
%0 = llvm.mlir.constant(0 : i32) : i32
omp.yield (%0 : i32)
}
combiner {
^bb1(%arg0: i32, %arg1: i32):
%1 = llvm.add %arg0, %arg1 : i32
omp.yield (%1 : i32)
}
atomic {
^bb2(%arg2: !llvm.ptr, %arg3: !llvm.ptr):
%2 = llvm.load %arg3 : !llvm.ptr -> i32
llvm.atomicrmw add %arg2, %2 monotonic : !llvm.ptr, i32
omp.yield
}
// CHECK-LABEL: @parallel_nested_workshare_reduction
llvm.func @parallel_nested_workshare_reduction(%ub : i64) {
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
%lb = llvm.mlir.constant(1 : i64) : i64
%step = llvm.mlir.constant(1 : i64) : i64
omp.parallel reduction(@add_i32 %0 -> %prv : !llvm.ptr) {
omp.wsloop {
omp.loop_nest (%iv) : i64 = (%lb) to (%ub) step (%step) {
%ival = llvm.trunc %iv : i64 to i32
%lprv = llvm.load %prv : !llvm.ptr -> i32
%add = llvm.add %lprv, %ival : i32
llvm.store %add, %prv : i32, !llvm.ptr
omp.yield
}
omp.terminator
}
omp.terminator
}
llvm.return
}
// Call to the outlined function.
// CHECK: call void {{.*}} @__kmpc_fork_call
// CHECK-SAME: @[[OUTLINED:[A-Za-z_.][A-Za-z0-9_.]*]]
// Outlined function.
// CHECK: define internal void @[[OUTLINED]]
// Private reduction variable and its initialization.
// CHECK: %[[PRIVATE:[0-9]+]] = alloca i32
// CHECK: store i32 0, ptr %[[PRIVATE]]
// Loop exit:
// CHECK: call void @__kmpc_barrier
// Call to the reduction function.
// CHECK: call i32 @__kmpc_reduce
// CHECK-SAME: @[[REDFUNC:[A-Za-z_.][A-Za-z0-9_.]*]]
// Atomic reduction:
// CHECK: %[[PARTIAL:.+]] = load i32, ptr %[[PRIVATE]]
// CHECK: atomicrmw add ptr %{{.*}}, i32 %[[PARTIAL]]
// Non-atomic reduction:
// CHECK: add i32
// CHECK: call void @__kmpc_end_reduce
// Update of the private variable using the reduction region
// (the body block currently comes after all the other blocks).
// CHECK: %[[PARTIAL:.+]] = load i32, ptr %[[PRIVATE]]
// CHECK: %[[UPDATED:.+]] = add i32 %[[PARTIAL]], {{.*}}
// CHECK: store i32 %[[UPDATED]], ptr %[[PRIVATE]]
// Reduction function.
// CHECK: define internal void @[[REDFUNC]]
// CHECK: add i32
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