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57 lines
1.9 KiB
57 lines
1.9 KiB
// RUN: mlir-opt -allow-unregistered-dialect -split-input-file -remove-shape-constraints -canonicalize <%s | FileCheck %s --dump-input=fail --check-prefixes=CANON,CHECK-BOTH
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// RUN: mlir-opt -allow-unregistered-dialect -split-input-file -remove-shape-constraints <%s | FileCheck %s --dump-input=fail --check-prefixes=REPLACE,CHECK-BOTH
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// -----
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// Check that cstr_broadcastable is removed.
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//
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// CHECK-BOTH: func @f
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func @f(%arg0 : !shape.shape, %arg1 : !shape.shape) -> index {
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// REPLACE-NEXT: %[[WITNESS:.+]] = shape.const_witness true
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// REPLACE-NOT: shape.cstr_eq
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// REPLACE: shape.assuming %[[WITNESS]]
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// CANON-NEXT: test.source
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// CANON-NEXT: return
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%0 = shape.cstr_broadcastable %arg0, %arg1 : !shape.shape, !shape.shape
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%1 = shape.assuming %0 -> index {
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%2 = "test.source"() : () -> (index)
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shape.assuming_yield %2 : index
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}
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return %1 : index
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}
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// -----
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// Check that cstr_eq is removed.
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//
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// CHECK-BOTH: func @f
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func @f(%arg0 : !shape.shape, %arg1 : !shape.shape) -> index {
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// REPLACE-NEXT: %[[WITNESS:.+]] = shape.const_witness true
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// REPLACE-NOT: shape.cstr_eq
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// REPLACE: shape.assuming %[[WITNESS]]
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// CANON-NEXT: test.source
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// CANON-NEXT: return
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%0 = shape.cstr_eq %arg0, %arg1
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%1 = shape.assuming %0 -> index {
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%2 = "test.source"() : () -> (index)
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shape.assuming_yield %2 : index
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}
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return %1 : index
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}
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// -----
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// With a non-const value, we cannot fold away the code, but all constraints
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// should be removed still.
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//
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// CHECK-BOTH: func @f
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func @f(%arg0 : !shape.shape, %arg1 : !shape.shape) -> index {
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// CANON-NEXT: test.source
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// CANON-NEXT: return
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%0 = shape.cstr_broadcastable %arg0, %arg1 : !shape.shape, !shape.shape
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%1 = shape.cstr_eq %arg0, %arg1
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%2 = shape.assuming_all %0, %1
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%3 = shape.assuming %0 -> index {
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%4 = "test.source"() : () -> (index)
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shape.assuming_yield %4 : index
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}
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return %3 : index
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}
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