derek.holloway
7502bf64a4
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247 lines
8.0 KiB
MLIR
247 lines
8.0 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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// -----
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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: %[[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 %[[arg0]], %[[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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// -----
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// CHECK-LABEL: func @deadNToOneCast(
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// CHECK-NEXT: return
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func.func @deadNToOneCast(%arg0: index, %arg1: index) {
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%0 = builtin.unrealized_conversion_cast %arg0, %arg1 : index, index to i64
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return
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}
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// -----
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// CHECK-LABEL: func @swappingOperands(
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// CHECK-SAME: %[[arg0:.*]]: index, %[[arg1:.*]]: index
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// CHECK: %[[cast1:.*]]:2 = builtin.unrealized_conversion_cast %[[arg0]], %[[arg1]]
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// CHECK: %[[cast2:.*]]:2 = builtin.unrealized_conversion_cast %[[cast1]]#1, %[[cast1]]#0
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// CHECK: %[[cast3:.*]]:2 = builtin.unrealized_conversion_cast %[[cast2]]#0, %[[cast2]]#1
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// CHECK: return %[[cast3]]#0, %[[cast3]]#1
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func.func @swappingOperands(%arg0: index, %arg1: index) -> (index, index) {
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%0:2 = builtin.unrealized_conversion_cast %arg0, %arg1 : index, index to i64, i64
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%1:2 = builtin.unrealized_conversion_cast %0#1, %0#0 : i64, i64 to i32, i32
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%2:2 = builtin.unrealized_conversion_cast %1#0, %1#1 : i32, i32 to index, index
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return %2#0, %2#1 : index, index
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}
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// -----
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// CHECK-LABEL: func @matchingOperands(
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// CHECK-SAME: %[[arg0:.*]]: index, %[[arg1:.*]]: index
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// CHECK: return %[[arg0]], %[[arg1]]
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func.func @matchingOperands(%arg0: index, %arg1: index) -> (index, index) {
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%0:2 = builtin.unrealized_conversion_cast %arg0, %arg1 : index, index to i64, i64
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%1:3 = builtin.unrealized_conversion_cast %0#0, %0#1 : i64, i64 to i32, i32, i32
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%2:2 = builtin.unrealized_conversion_cast %1#0, %1#1, %1#2 : i32, i32, i32 to index, index
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return %2#0, %2#1 : index, index
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}
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// -----
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// CHECK-LABEL: func @emptyCast()
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// CHECK: %[[cast:.*]] = builtin.unrealized_conversion_cast to index
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// CHECK: return %[[cast]]
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func.func @emptyCast() -> index {
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%0 = builtin.unrealized_conversion_cast to index
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return %0 : index
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}
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// -----
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// CHECK-LABEL: test.graph_region
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// CHECK-NEXT: "test.return"() : () -> ()
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test.graph_region {
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%0 = builtin.unrealized_conversion_cast %2 : i32 to i64
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%1 = builtin.unrealized_conversion_cast %0 : i64 to i16
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%2 = builtin.unrealized_conversion_cast %1 : i16 to i32
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"test.return"() : () -> ()
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}
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// -----
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// CHECK-LABEL: test.graph_region
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// CHECK-NEXT: %[[cast0:.*]] = builtin.unrealized_conversion_cast %[[cast2:.*]] : i32 to i64
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// CHECK-NEXT: %[[cast1:.*]] = builtin.unrealized_conversion_cast %[[cast0]] : i64 to i16
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// CHECK-NEXT: %[[cast2]] = builtin.unrealized_conversion_cast %[[cast1]] : i16 to i32
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// CHECK-NEXT: "test.user"(%[[cast2]]) : (i32) -> ()
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// CHECK-NEXT: "test.return"() : () -> ()
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test.graph_region {
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%0 = builtin.unrealized_conversion_cast %2 : i32 to i64
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%1 = builtin.unrealized_conversion_cast %0 : i64 to i16
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%2 = builtin.unrealized_conversion_cast %1 : i16 to i32
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"test.user"(%2) : (i32) -> ()
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"test.return"() : () -> ()
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}
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// -----
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// CHECK-LABEL: test.graph_region
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// CHECK-NEXT: "test.return"() : () -> ()
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test.graph_region {
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%0 = builtin.unrealized_conversion_cast %0 : i32 to i32
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"test.return"() : () -> ()
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}
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// -----
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// CHECK-LABEL: test.graph_region
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// CHECK-NEXT: %[[c0:.*]] = arith.constant
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// CHECK-NEXT: %[[cast:.*]]:2 = builtin.unrealized_conversion_cast %[[c0]], %[[cast]]#1 : i32, i32 to i32, i32
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// CHECK-NEXT: "test.user"(%[[cast]]#0) : (i32) -> ()
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// CHECK-NEXT: "test.return"() : () -> ()
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test.graph_region {
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%cst = arith.constant 0 : i32
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%0, %1 = builtin.unrealized_conversion_cast %cst, %1 : i32, i32 to i32, i32
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"test.user"(%0) : (i32) -> ()
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"test.return"() : () -> ()
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}
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