46 lines
1.7 KiB
MLIR
46 lines
1.7 KiB
MLIR
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// RUN: not mlir-opt %s -split-input-file -mlir-print-ir-after-failure -reconcile-unrealized-casts 2>&1 | FileCheck %s
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// CHECK-LABEL: @liveSingleCast
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i32
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// CHECK: %[[liveCast:.*]] = builtin.unrealized_conversion_cast %[[arg0]] : i64 to i32
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// CHECK: return %[[liveCast]] : i32
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func.func @liveSingleCast(%arg0: i64) -> i32 {
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%0 = builtin.unrealized_conversion_cast %arg0 : i64 to i32
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return %0 : i32
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}
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// -----
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// CHECK-LABEL: @liveChain
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i32
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// CHECK: %[[cast0:.*]] = builtin.unrealized_conversion_cast %[[arg0]] : i64 to i1
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// CHECK: %[[cast1:.*]] = builtin.unrealized_conversion_cast %[[cast0]] : i1 to i32
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// CHECK: return %[[cast1]] : i32
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func.func @liveChain(%arg0: i64) -> i32 {
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%0 = builtin.unrealized_conversion_cast %arg0 : i64 to i1
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%1 = builtin.unrealized_conversion_cast %0 : i1 to i32
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return %1 : i32
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}
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// -----
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// CHECK-LABEL: @liveBifurcation
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: %[[cast0:.*]] = builtin.unrealized_conversion_cast %[[arg0]] : i64 to i32
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// CHECK: %[[cast1:.*]] = builtin.unrealized_conversion_cast %[[cast0]] : i32 to i64
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// CHECK: %[[cast2:.*]] = builtin.unrealized_conversion_cast %[[cast0]] : i32 to i1
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// CHECK: %[[extsi:.*]] = arith.extsi %[[cast2]] : i1 to i64
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// CHECK: %[[result:.*]] = arith.addi %[[cast1]], %[[extsi]] : i64
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// CHECK: return %[[result]] : i64
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func.func @liveBifurcation(%arg0: i64) -> i64 {
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%0 = builtin.unrealized_conversion_cast %arg0 : i64 to i32
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%1 = builtin.unrealized_conversion_cast %0 : i32 to i64
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%2 = builtin.unrealized_conversion_cast %0 : i32 to i1
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%3 = arith.extsi %2 : i1 to i64
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%4 = arith.addi %1, %3 : i64
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return %4 : i64
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}
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