River Riddle ace01605e0 [mlir] Split out a new ControlFlow dialect from Standard
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
2022-02-06 14:51:16 -08:00

41 lines
891 B
MLIR

// RUN: mlir-opt %s | mlir-opt | FileCheck %s
// RUN: mlir-opt %s --mlir-print-op-generic | mlir-opt | FileCheck %s
// CHECK-LABEL: @assert
func @assert(%arg : i1) {
cf.assert %arg, "Some message in case this assertion fails."
return
}
// CHECK-LABEL: func @switch(
func @switch(%flag : i32, %caseOperand : i32) {
cf.switch %flag : i32, [
default: ^bb1(%caseOperand : i32),
42: ^bb2(%caseOperand : i32),
43: ^bb3(%caseOperand : i32)
]
^bb1(%bb1arg : i32):
return
^bb2(%bb2arg : i32):
return
^bb3(%bb3arg : i32):
return
}
// CHECK-LABEL: func @switch_i64(
func @switch_i64(%flag : i64, %caseOperand : i32) {
cf.switch %flag : i64, [
default: ^bb1(%caseOperand : i32),
42: ^bb2(%caseOperand : i32),
43: ^bb3(%caseOperand : i32)
]
^bb1(%bb1arg : i32):
return
^bb2(%bb2arg : i32):
return
^bb3(%bb3arg : i32):
return
}