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https://github.com/capstone-engine/llvm-capstone.git
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ace01605e0
This dialect is intended to model lower level/branch based control-flow constructs. The initial set of operations are: AssertOp, BranchOp, CondBranchOp, SwitchOp; all split out from the current standard dialect. See https://discourse.llvm.org/t/standard-dialect-the-final-chapter/6061 Differential Revision: https://reviews.llvm.org/D118966
110 lines
2.4 KiB
MLIR
110 lines
2.4 KiB
MLIR
// RUN: mlir-opt -allow-unregistered-dialect %s -split-input-file -verify-diagnostics | FileCheck %s
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//===----------------------------------------------------------------------===//
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// Test the number of regions
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//===----------------------------------------------------------------------===//
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func @correct_number_of_regions() {
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// CHECK: test.two_region_op
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"test.two_region_op"()(
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{"work"() : () -> ()},
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{"work"() : () -> ()}
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) : () -> ()
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return
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}
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// -----
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func @missing_regions() {
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// expected-error@+1 {{expected 2 regions}}
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"test.two_region_op"()(
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{"work"() : () -> ()}
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) : () -> ()
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return
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}
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// -----
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func @extra_regions() {
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// expected-error@+1 {{expected 2 regions}}
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"test.two_region_op"()(
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{"work"() : () -> ()},
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{"work"() : () -> ()},
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{"work"() : () -> ()}
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) : () -> ()
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return
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}
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// -----
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//===----------------------------------------------------------------------===//
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// Test SizedRegion
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//===----------------------------------------------------------------------===//
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func @unnamed_region_has_wrong_number_of_blocks() {
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// expected-error@+1 {{region #1 failed to verify constraint: region with 1 blocks}}
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"test.sized_region_op"() (
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{
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"work"() : () -> ()
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cf.br ^next1
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^next1:
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"work"() : () -> ()
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},
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{
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"work"() : () -> ()
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cf.br ^next2
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^next2:
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"work"() : () -> ()
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}) : () -> ()
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return
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}
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// -----
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// Test region name in error message
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func @named_region_has_wrong_number_of_blocks() {
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// expected-error@+1 {{region #0 ('my_region') failed to verify constraint: region with 2 blocks}}
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"test.sized_region_op"() (
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{
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"work"() : () -> ()
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},
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{
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"work"() : () -> ()
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}) : () -> ()
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return
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}
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// -----
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// Region with single block and not terminator.
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// CHECK: unregistered_without_terminator
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"test.unregistered_without_terminator"() ({
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^bb0:
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}) : () -> ()
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// -----
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// CHECK: test.single_no_terminator_op
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"test.single_no_terminator_op"() (
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{
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func @foo1() { return }
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func @foo2() { return }
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}
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) : () -> ()
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// CHECK: test.variadic_no_terminator_op
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"test.variadic_no_terminator_op"() (
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{
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func @foo1() { return }
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},
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{
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func @foo2() { return }
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}
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) : () -> ()
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// CHECK: test.single_no_terminator_custom_asm_op
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// CHECK-NEXT: important_dont_drop
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test.single_no_terminator_custom_asm_op {
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"important_dont_drop"() : () -> ()
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}
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