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

70 lines
1.4 KiB
MLIR

// RUN: mlir-opt -verify-diagnostics -split-input-file %s
func @switch_missing_case_value(%flag : i32, %caseOperand : i32) {
cf.switch %flag : i32, [
default: ^bb1(%caseOperand : i32),
45: ^bb2(%caseOperand : i32),
// expected-error@+1 {{expected integer value}}
: ^bb3(%caseOperand : i32)
]
^bb1(%bb1arg : i32):
return
^bb2(%bb2arg : i32):
return
^bb3(%bb3arg : i32):
return
}
// -----
func @switch_wrong_type_case_value(%flag : i32, %caseOperand : i32) {
cf.switch %flag : i32, [
default: ^bb1(%caseOperand : i32),
// expected-error@+1 {{expected integer value}}
"hello": ^bb2(%caseOperand : i32)
]
^bb1(%bb1arg : i32):
return
^bb2(%bb2arg : i32):
return
^bb3(%bb3arg : i32):
return
}
// -----
func @switch_missing_comma(%flag : i32, %caseOperand : i32) {
cf.switch %flag : i32, [
default: ^bb1(%caseOperand : i32),
45: ^bb2(%caseOperand : i32)
// expected-error@+1 {{expected ']'}}
43: ^bb3(%caseOperand : i32)
]
^bb1(%bb1arg : i32):
return
^bb2(%bb2arg : i32):
return
^bb3(%bb3arg : i32):
return
}
// -----
func @switch_missing_default(%flag : i32, %caseOperand : i32) {
cf.switch %flag : i32, [
// expected-error@+1 {{expected 'default'}}
45: ^bb2(%caseOperand : i32)
43: ^bb3(%caseOperand : i32)
]
^bb1(%bb1arg : i32):
return
^bb2(%bb2arg : i32):
return
^bb3(%bb3arg : i32):
return
}