3ba66435d9
StandardToSPIRV currently contains an assortment of patterns converting from different dialects to SPIRV. This commit splits up StandardToSPIRV into separate conversions for each of the dialects involved (some of which already exist). Differential Revision: https://reviews.llvm.org/D120767
39 lines
1.1 KiB
MLIR
39 lines
1.1 KiB
MLIR
// RUN: mlir-opt -split-input-file -convert-cf-to-spirv -verify-diagnostics %s | FileCheck %s
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//===----------------------------------------------------------------------===//
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// cf.br, cf.cond_br
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//===----------------------------------------------------------------------===//
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module attributes {
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spv.target_env = #spv.target_env<#spv.vce<v1.0, [], []>, {}>
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} {
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// CHECK-LABEL: func @simple_loop
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func @simple_loop(%begin: i32, %end: i32, %step: i32) {
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// CHECK-NEXT: spv.Branch ^bb1
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cf.br ^bb1
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// CHECK-NEXT: ^bb1: // pred: ^bb0
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// CHECK-NEXT: spv.Branch ^bb2({{.*}} : i32)
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^bb1: // pred: ^bb0
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cf.br ^bb2(%begin : i32)
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// CHECK: ^bb2({{.*}}: i32): // 2 preds: ^bb1, ^bb3
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// CHECK: spv.BranchConditional {{.*}}, ^bb3, ^bb4
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^bb2(%0: i32): // 2 preds: ^bb1, ^bb3
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%1 = arith.cmpi slt, %0, %end : i32
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cf.cond_br %1, ^bb3, ^bb4
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// CHECK: ^bb3: // pred: ^bb2
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// CHECK: spv.Branch ^bb2({{.*}} : i32)
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^bb3: // pred: ^bb2
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%2 = arith.addi %0, %step : i32
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cf.br ^bb2(%2 : i32)
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// CHECK: ^bb4: // pred: ^bb2
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^bb4: // pred: ^bb2
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return
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}
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}
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