forked from OSchip/llvm-project
35 lines
1.5 KiB
MLIR
35 lines
1.5 KiB
MLIR
// RUN: mlir-opt -allow-unregistered-dialect %s -pass-pipeline='func(parallel-loop-collapsing{collapsed-indices-0=0,1}, canonicalize)' | FileCheck %s
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func @collapse_to_single() {
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%c0 = constant 3 : index
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%c1 = constant 7 : index
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%c2 = constant 11 : index
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%c3 = constant 29 : index
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%c4 = constant 3 : index
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%c5 = constant 4 : index
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scf.parallel (%i0, %i1) = (%c0, %c1) to (%c2, %c3) step (%c4, %c5) {
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%result = "magic.op"(%i0, %i1): (index, index) -> index
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}
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return
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}
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// CHECK-LABEL: func @collapse_to_single() {
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// CHECK: [[C7:%.*]] = constant 7 : index
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// CHECK: [[C3:%.*]] = constant 3 : index
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// CHECK: [[C4:%.*]] = constant 4 : index
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// CHECK: [[C18:%.*]] = constant 18 : index
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// CHECK: [[C6:%.*]] = constant 6 : index
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// CHECK: [[C0:%.*]] = constant 0 : index
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// CHECK: [[C1:%.*]] = constant 1 : index
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// CHECK: scf.parallel ([[NEW_I:%.*]]) = ([[C0]]) to ([[C18]]) step ([[C1]]) {
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// CHECK: [[I0_COUNT:%.*]] = remi_signed [[NEW_I]], [[C6]] : index
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// CHECK: [[I1_COUNT:%.*]] = divi_signed [[NEW_I]], [[C6]] : index
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// CHECK: [[V0:%.*]] = muli [[I0_COUNT]], [[C4]] : index
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// CHECK: [[I1:%.*]] = addi [[V0]], [[C7]] : index
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// CHECK: [[V1:%.*]] = muli [[I1_COUNT]], [[C3]] : index
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// CHECK: [[I0:%.*]] = addi [[V1]], [[C3]] : index
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// CHECK: "magic.op"([[I0]], [[I1]]) : (index, index) -> index
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// CHECK: scf.yield
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// CHECK-NEXT: }
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// CHECK-NEXT: return
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