derek.holloway
7502bf64a4
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89 lines
3.4 KiB
MLIR
89 lines
3.4 KiB
MLIR
// Check that the wide integer `arith.fptosi` emulation produces the same result as wide
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// `arith.fptosi`. Emulate i64 ops with i32 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=32" \
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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 i32 types.
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func.func @emulate_fptosi(%arg: f64) -> i64 {
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%res = arith.fptosi %arg : f64 to i64
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return %res : i64
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}
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func.func @check_fptosi(%arg : f64) -> () {
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%res = func.call @emulate_fptosi(%arg) : (f64) -> (i64)
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vector.print %res : i64
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return
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}
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func.func @entry() {
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%cst0 = arith.constant 0.0 : f64
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%cst_nzero = arith.constant 0x8000000000000000 : f64
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%cst1 = arith.constant 1.0 : f64
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%cst_n1 = arith.constant -1.0 : f64
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%cst_n1_5 = arith.constant -1.5 : f64
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%cstpow20 = arith.constant 1048576.0 : f64
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%cstnpow20 = arith.constant -1048576.0 : f64
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%cst_i32_max = arith.constant 4294967295.0 : f64
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%cst_i32_min = arith.constant -4294967296.0 : f64
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%cst_i32_overflow = arith.constant 4294967296.0 : f64
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%cst_i32_noverflow = arith.constant -4294967297.0 : f64
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%cstpow40 = arith.constant 1099511627776.0 : f64
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%cstnpow40 = arith.constant -1099511627776.0 : f64
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%cst_pow40ppow20 = arith.constant 1099512676352.0 : f64
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%cst_npow40ppow20 = arith.constant -1099512676352.0 : f64
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%cst_max = arith.constant 9007199254740992.0
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%cst_min = arith.constant -9007199254740992.0
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// CHECK: 0
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func.call @check_fptosi(%cst0) : (f64) -> ()
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// CHECK-NEXT: 0
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func.call @check_fptosi(%cst_nzero) : (f64) -> ()
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// CHECK-NEXT: 1
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func.call @check_fptosi(%cst1) : (f64) -> ()
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// CHECK-NEXT: -1
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func.call @check_fptosi(%cst_n1) : (f64) -> ()
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// CHECK-NEXT: -1
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func.call @check_fptosi(%cst_n1_5) : (f64) -> ()
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// CHECK-NEXT: 1048576
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func.call @check_fptosi(%cstpow20) : (f64) -> ()
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// CHECK-NEXT: -1048576
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func.call @check_fptosi(%cstnpow20) : (f64) -> ()
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// CHECK-NEXT: 4294967295
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func.call @check_fptosi(%cst_i32_max) : (f64) -> ()
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// CHECK-NEXT: -4294967296
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func.call @check_fptosi(%cst_i32_min) : (f64) -> ()
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// CHECK-NEXT: 4294967296
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func.call @check_fptosi(%cst_i32_overflow) : (f64) -> ()
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// CHECK-NEXT: -4294967297
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func.call @check_fptosi(%cst_i32_noverflow) : (f64) -> ()
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// CHECK-NEXT: 1099511627776
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func.call @check_fptosi(%cstpow40) : (f64) -> ()
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// CHECK-NEXT: -1099511627776
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func.call @check_fptosi(%cstnpow40) : (f64) -> ()
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// CHECK-NEXT: 1099512676352
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func.call @check_fptosi(%cst_pow40ppow20) : (f64) -> ()
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// CHECK-NEXT: -1099512676352
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func.call @check_fptosi(%cst_npow40ppow20) : (f64) -> ()
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// CHECK-NEXT: 9007199254740992
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func.call @check_fptosi(%cst_max) : (f64) -> ()
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// CHECK-NEXT: -9007199254740992
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func.call @check_fptosi(%cst_min) : (f64) -> ()
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return
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}
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