test-gather.mlir
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// RUN: mlir-opt %s -convert-scf-to-std -convert-vector-to-llvm -convert-std-to-llvm | \
// RUN: mlir-cpu-runner -e entry -entry-point-result=void \
// RUN: -shared-libs=%mlir_integration_test_dir/libmlir_c_runner_utils%shlibext | \
// RUN: FileCheck %s
func @gather8(%base: memref<?xf32>,
%indices: vector<8xi32>, %mask: vector<8xi1>) -> vector<8xf32> {
%g = vector.gather %base, %indices, %mask
: (memref<?xf32>, vector<8xi32>, vector<8xi1>) -> vector<8xf32>
return %g : vector<8xf32>
}
func @gather_pass_thru8(%base: memref<?xf32>,
%indices: vector<8xi32>, %mask: vector<8xi1>,
%pass_thru: vector<8xf32>) -> vector<8xf32> {
%g = vector.gather %base, %indices, %mask, %pass_thru
: (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>) -> vector<8xf32>
return %g : vector<8xf32>
}
func @entry() {
// Set up memory.
%c0 = constant 0: index
%c1 = constant 1: index
%c10 = constant 10: index
%A = alloc(%c10) : memref<?xf32>
scf.for %i = %c0 to %c10 step %c1 {
%i32 = index_cast %i : index to i32
%fi = sitofp %i32 : i32 to f32
store %fi, %A[%i] : memref<?xf32>
}
// Set up idx vector.
%i0 = constant 0: i32
%i1 = constant 1: i32
%i2 = constant 2: i32
%i3 = constant 3: i32
%i4 = constant 4: i32
%i5 = constant 5: i32
%i6 = constant 6: i32
%i9 = constant 9: i32
%0 = vector.broadcast %i0 : i32 to vector<8xi32>
%1 = vector.insert %i6, %0[1] : i32 into vector<8xi32>
%2 = vector.insert %i1, %1[2] : i32 into vector<8xi32>
%3 = vector.insert %i3, %2[3] : i32 into vector<8xi32>
%4 = vector.insert %i5, %3[4] : i32 into vector<8xi32>
%5 = vector.insert %i4, %4[5] : i32 into vector<8xi32>
%6 = vector.insert %i9, %5[6] : i32 into vector<8xi32>
%idx = vector.insert %i2, %6[7] : i32 into vector<8xi32>
// Set up pass thru vector.
%u = constant -7.0: f32
%pass = vector.broadcast %u : f32 to vector<8xf32>
// Set up masks.
%t = constant 1: i1
%none = vector.constant_mask [0] : vector<8xi1>
%all = vector.constant_mask [8] : vector<8xi1>
%some = vector.constant_mask [4] : vector<8xi1>
%more = vector.insert %t, %some[7] : i1 into vector<8xi1>
//
// Gather tests.
//
%g1 = call @gather8(%A, %idx, %all)
: (memref<?xf32>, vector<8xi32>, vector<8xi1>)
-> (vector<8xf32>)
vector.print %g1 : vector<8xf32>
// CHECK: ( 0, 6, 1, 3, 5, 4, 9, 2 )
%g2 = call @gather_pass_thru8(%A, %idx, %none, %pass)
: (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>)
-> (vector<8xf32>)
vector.print %g2 : vector<8xf32>
// CHECK: ( -7, -7, -7, -7, -7, -7, -7, -7 )
%g3 = call @gather_pass_thru8(%A, %idx, %some, %pass)
: (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>)
-> (vector<8xf32>)
vector.print %g3 : vector<8xf32>
// CHECK: ( 0, 6, 1, 3, -7, -7, -7, -7 )
%g4 = call @gather_pass_thru8(%A, %idx, %more, %pass)
: (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>)
-> (vector<8xf32>)
vector.print %g4 : vector<8xf32>
// CHECK: ( 0, 6, 1, 3, -7, -7, -7, 2 )
%g5 = call @gather_pass_thru8(%A, %idx, %all, %pass)
: (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>)
-> (vector<8xf32>)
vector.print %g5 : vector<8xf32>
// CHECK: ( 0, 6, 1, 3, 5, 4, 9, 2 )
return
}