105 lines
3 KiB
MLIR
105 lines
3 KiB
MLIR
// RUN: mlir-opt %s -split-input-file -reconcile-unrealized-casts | FileCheck %s
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// CHECK-LABEL: @unusedCast
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: return %[[arg0]] : i64
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func.func @unusedCast(%arg0: i64) -> i64 {
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%0 = builtin.unrealized_conversion_cast %arg0 : i64 to i32
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return %arg0 : i64
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}
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// -----
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// CHECK-LABEL: @sameTypes
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: return %[[arg0]] : i64
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func.func @sameTypes(%arg0: i64) -> i64 {
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%0 = builtin.unrealized_conversion_cast %arg0 : i64 to i64
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return %0 : i64
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}
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// -----
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// CHECK-LABEL: @pair
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: return %[[arg0]] : i64
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func.func @pair(%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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return %1 : i64
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}
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// -----
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// CHECK-LABEL: @symmetricChain
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: return %[[arg0]] : i64
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func.func @symmetricChain(%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 i1
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%2 = builtin.unrealized_conversion_cast %1 : i1 to i32
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%3 = builtin.unrealized_conversion_cast %2 : i32 to i64
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return %3 : i64
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}
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// -----
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// CHECK-LABEL: @asymmetricChain
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: return %[[arg0]] : i64
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func.func @asymmetricChain(%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 i1
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%2 = builtin.unrealized_conversion_cast %1 : i1 to i64
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return %2 : i64
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}
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// -----
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// CHECK-LABEL: @unusedChain
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: return %[[arg0]] : i64
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func.func @unusedChain(%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 i1
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return %arg0 : i64
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}
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// -----
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// CHECK-LABEL: @bifurcation
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: %[[result:.*]] = arith.addi %[[arg0]], %[[arg0]] : i64
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// CHECK: return %[[result]] : i64
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func.func @bifurcation(%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 i1
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%2 = builtin.unrealized_conversion_cast %1 : i1 to i64
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%3 = builtin.unrealized_conversion_cast %1 : i1 to i32
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%4 = builtin.unrealized_conversion_cast %3 : i32 to i64
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%5 = arith.addi %2, %4 : i64
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return %5 : i64
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}
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// -----
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// CHECK-LABEL: @unusedBifurcation
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// CHECK-SAME: (%[[arg0:.*]]: i64) -> i64
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// CHECK: %[[result:.*]] = arith.addi %[[arg0]], %[[arg0]] : i64
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// CHECK: return %[[result]] : i64
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func.func @unusedBifurcation(%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 i1
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%2 = builtin.unrealized_conversion_cast %1 : i1 to i64
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%3 = builtin.unrealized_conversion_cast %0 : i32 to i64
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%4 = arith.addi %arg0, %3 : i64
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return %4 : i64
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}
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