68 lines
2.3 KiB
MLIR
68 lines
2.3 KiB
MLIR
// Check that the wide integer `arith.sitofp` emulation produces the same result as wide
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// `arith.sitofp`. Emulate i32 ops with i16 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-cpu-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=16" \
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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-cpu-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 i16 types.
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func.func @emulate_sitofp(%arg: i32) -> f32 {
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%res = arith.sitofp %arg : i32 to f32
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return %res : f32
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}
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func.func @check_sitofp(%arg : i32) -> () {
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%res = func.call @emulate_sitofp(%arg) : (i32) -> (f32)
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vector.print %res : f32
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return
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}
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func.func @entry() {
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%cst0 = arith.constant 0 : i32
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%cst1 = arith.constant 1 : i32
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%cst2 = arith.constant 2 : i32
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%cst7 = arith.constant 7 : i32
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%cst1337 = arith.constant 1337 : i32
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%cst_n1 = arith.constant -1 : i32
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%cst_n13 = arith.constant -13 : i32
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%cst_n1337 = arith.constant -1337 : i32
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%cst_i16_min = arith.constant -32768 : i32
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%cst_f32_int_max = arith.constant 16777217 : i32
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%cst_f32_int_min = arith.constant -16777217 : i32
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// CHECK: 0
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func.call @check_sitofp(%cst0) : (i32) -> ()
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// CHECK-NEXT: 1
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func.call @check_sitofp(%cst1) : (i32) -> ()
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// CHECK-NEXT: 2
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func.call @check_sitofp(%cst2) : (i32) -> ()
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// CHECK-NEXT: 7
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func.call @check_sitofp(%cst7) : (i32) -> ()
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// CHECK-NEXT: 1337
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func.call @check_sitofp(%cst1337) : (i32) -> ()
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// CHECK-NEXT: -1
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func.call @check_sitofp(%cst_n1) : (i32) -> ()
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// CHECK-NEXT: -1337
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func.call @check_sitofp(%cst_n1337) : (i32) -> ()
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// CHECK-NEXT: -32768
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func.call @check_sitofp(%cst_i16_min) : (i32) -> ()
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// CHECK-NEXT: 1.6{{.+}}e+07
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func.call @check_sitofp(%cst_f32_int_max) : (i32) -> ()
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// CHECK-NEXT: -1.6{{.+}}e+07
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func.call @check_sitofp(%cst_f32_int_min) : (i32) -> ()
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return
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}
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