ba43d6f85c
This reverts commit 59bbc7a0851b6e0054bb3ed47df0958822f08880. This exposes an issue breaking the contract of `applyPatternsAndFoldGreedily` where we "converge" without applying remaining patterns.
25 lines
904 B
MLIR
25 lines
904 B
MLIR
// RUN: mlir-opt -test-patterns %s | FileCheck %s
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func @foo() -> i32 {
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%c42 = arith.constant 42 : i32
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// The new operation should be present in the output and contain an attribute
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// with value "42" that results from folding.
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// CHECK: "test.op_in_place_fold"(%{{.*}}) {attr = 42 : i32}
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%0 = "test.op_in_place_fold_anchor"(%c42) : (i32) -> (i32)
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return %0 : i32
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}
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func @test_fold_before_previously_folded_op() -> (i32, i32) {
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// When folding two constants will be generated and uniqued. Check that the
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// uniqued constant properly dominates both uses.
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// CHECK: %[[CST:.+]] = arith.constant true
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// CHECK-NEXT: "test.cast"(%[[CST]]) : (i1) -> i32
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// CHECK-NEXT: "test.cast"(%[[CST]]) : (i1) -> i32
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%0 = "test.cast"() {test_fold_before_previously_folded_op} : () -> (i32)
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%1 = "test.cast"() {test_fold_before_previously_folded_op} : () -> (i32)
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return %0, %1 : i32, i32
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}
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