1e3a02162d
This allows `scf.if` to be used by Control-Flow sink. Depends on D115088 Reviewed By: rriddle Differential Revision: https://reviews.llvm.org/D115089
61 lines
1.6 KiB
MLIR
61 lines
1.6 KiB
MLIR
// RUN: mlir-opt -split-input-file -control-flow-sink %s | FileCheck %s
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// CHECK-LABEL: @test_scf_if_sink
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// CHECK-SAME: (%[[ARG0:.*]]: i1, %[[ARG1:.*]]: i32)
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// CHECK: %[[V0:.*]] = scf.if %[[ARG0]]
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// CHECK: %[[V1:.*]] = arith.addi %[[ARG1]], %[[ARG1]]
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// CHECK: scf.yield %[[V1]]
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// CHECK: else
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// CHECK: %[[V1:.*]] = arith.muli %[[ARG1]], %[[ARG1]]
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// CHECK: scf.yield %[[V1]]
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// CHECK: return %[[V0]]
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func @test_scf_if_sink(%arg0: i1, %arg1: i32) -> i32 {
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%0 = arith.addi %arg1, %arg1 : i32
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%1 = arith.muli %arg1, %arg1 : i32
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%result = scf.if %arg0 -> i32 {
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scf.yield %0 : i32
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} else {
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scf.yield %1 : i32
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}
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return %result : i32
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}
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// -----
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func private @consume(i32) -> ()
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// CHECK-LABEL: @test_scf_if_then_only_sink
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// CHECK-SAME: (%[[ARG0:.*]]: i1, %[[ARG1:.*]]: i32)
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// CHECK: scf.if %[[ARG0]]
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// CHECK: %[[V0:.*]] = arith.addi %[[ARG1]], %[[ARG1]]
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// CHECK: call @consume(%[[V0]])
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func @test_scf_if_then_only_sink(%arg0: i1, %arg1: i32) {
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%0 = arith.addi %arg1, %arg1 : i32
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scf.if %arg0 {
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call @consume(%0) : (i32) -> ()
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scf.yield
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}
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return
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}
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// -----
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func private @consume(i32) -> ()
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// CHECK-LABEL: @test_scf_if_double_sink
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// CHECK-SAME: (%[[ARG0:.*]]: i1, %[[ARG1:.*]]: i32)
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// CHECK: scf.if %[[ARG0]]
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// CHECK: scf.if %[[ARG0]]
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// CHECK: %[[V0:.*]] = arith.addi %[[ARG1]], %[[ARG1]]
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// CHECK: call @consume(%[[V0]])
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func @test_scf_if_double_sink(%arg0: i1, %arg1: i32) {
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%0 = arith.addi %arg1, %arg1 : i32
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scf.if %arg0 {
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scf.if %arg0 {
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call @consume(%0) : (i32) -> ()
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scf.yield
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}
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}
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return
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}
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