derek.holloway
7502bf64a4
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101 lines
3.6 KiB
MLIR
101 lines
3.6 KiB
MLIR
// Check that the wide integer `arith.shrsi` emulation produces the same result as wide
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// `arith.shrsi`. Emulate i16 ops with i8 ops.
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// RUN: mlir-opt %s --convert-scf-to-cf --convert-cf-to-llvm --convert-vector-to-llvm \
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// RUN: --convert-func-to-llvm --convert-arith-to-llvm | \
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// RUN: mlir-runner -e entry -entry-point-result=void \
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// RUN: --shared-libs=%mlir_c_runner_utils | \
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// RUN: FileCheck %s --match-full-lines
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// RUN: mlir-opt %s --test-arith-emulate-wide-int="widest-int-supported=8" \
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// RUN: --convert-scf-to-cf --convert-cf-to-llvm --convert-vector-to-llvm \
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// RUN: --convert-func-to-llvm --convert-arith-to-llvm | \
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// RUN: mlir-runner -e entry -entry-point-result=void \
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// RUN: --shared-libs=%mlir_c_runner_utils | \
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// RUN: FileCheck %s --match-full-lines
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// Ops in this function *only* will be emulated using i8 types.
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func.func @emulate_shrsi(%lhs : i16, %rhs : i16) -> (i16) {
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%res = arith.shrsi %lhs, %rhs : i16
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return %res : i16
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}
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func.func @check_shrsi(%lhs : i16, %rhs : i16) -> () {
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%res = func.call @emulate_shrsi(%lhs, %rhs) : (i16, i16) -> (i16)
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vector.print %res : i16
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return
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}
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func.func @entry() {
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%cst0 = arith.constant 0 : i16
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%cst1 = arith.constant 1 : i16
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%cst2 = arith.constant 2 : i16
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%cst7 = arith.constant 7 : i16
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%cst8 = arith.constant 8 : i16
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%cst9 = arith.constant 9 : i16
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%cst15 = arith.constant 15 : i16
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%cst_n1 = arith.constant -1 : i16
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%cst1337 = arith.constant 1337 : i16
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%cst_n1337 = arith.constant -1337 : i16
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%cst_i16_min = arith.constant -32768 : i16
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// CHECK: -32768
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// CHECK-NEXT: -16384
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// CHECK-NEXT: -8192
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// CHECK-NEXT: -256
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// CHECK-NEXT: -128
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// CHECK-NEXT: -64
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// CHECK-NEXT: -1
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func.call @check_shrsi(%cst_i16_min, %cst0) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_i16_min, %cst1) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_i16_min, %cst2) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_i16_min, %cst7) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_i16_min, %cst8) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_i16_min, %cst9) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_i16_min, %cst15) : (i16, i16) -> ()
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// CHECK-NEXT: 0
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// CHECK-NEXT: 0
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// CHECK-NEXT: 0
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// CHECK-NEXT: 1
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// CHECK-NEXT: -1
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// CHECK-NEXT: -1
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func.call @check_shrsi(%cst0, %cst0) : (i16, i16) -> ()
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func.call @check_shrsi(%cst0, %cst1) : (i16, i16) -> ()
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func.call @check_shrsi(%cst1, %cst1) : (i16, i16) -> ()
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func.call @check_shrsi(%cst1, %cst0) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_n1, %cst1) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_n1, %cst15) : (i16, i16) -> ()
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// CHECK-NEXT: 1337
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// CHECK-NEXT: 334
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// CHECK-NEXT: 10
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// CHECK-NEXT: 5
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// CHECK-NEXT: 2
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// CHECK-NEXT: 0
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func.call @check_shrsi(%cst1337, %cst0) : (i16, i16) -> ()
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func.call @check_shrsi(%cst1337, %cst2) : (i16, i16) -> ()
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func.call @check_shrsi(%cst1337, %cst7) : (i16, i16) -> ()
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func.call @check_shrsi(%cst1337, %cst8) : (i16, i16) -> ()
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func.call @check_shrsi(%cst1337, %cst9) : (i16, i16) -> ()
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func.call @check_shrsi(%cst1337, %cst15) : (i16, i16) -> ()
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// CHECK-NEXT: -1337
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// CHECK-NEXT: -335
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// CHECK-NEXT: -11
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// CHECK-NEXT: -6
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// CHECK-NEXT: -3
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// CHECK-NEXT: -1
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func.call @check_shrsi(%cst_n1337, %cst0) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_n1337, %cst2) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_n1337, %cst7) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_n1337, %cst8) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_n1337, %cst9) : (i16, i16) -> ()
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func.call @check_shrsi(%cst_n1337, %cst15) : (i16, i16) -> ()
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return
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}
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