8b5a3e4632
- Change syntax for FuncOp to be `func <visibility>? @name` instead of printing the visibility in the attribute dictionary. - Since printFunctionLikeOp() and parseFunctionLikeOp() are also used by other operations, make the "inline visibility" an opt-in feature. - Updated unit test to use and check the new syntax. Differential Revision: https://reviews.llvm.org/D90859
74 lines
1.7 KiB
MLIR
74 lines
1.7 KiB
MLIR
// RUN: mlir-opt -allow-unregistered-dialect %s -inline -split-input-file | FileCheck %s
|
|
|
|
// This file tests the callgraph dead code elimination performed by the inliner.
|
|
|
|
// Function is already dead.
|
|
// CHECK-NOT: func private @dead_function
|
|
func private @dead_function() {
|
|
return
|
|
}
|
|
|
|
// Function becomes dead after inlining.
|
|
// CHECK-NOT: func private @dead_function_b
|
|
func @dead_function_b() {
|
|
return
|
|
}
|
|
|
|
// CHECK: func @live_function()
|
|
func @live_function() {
|
|
call @dead_function_b() : () -> ()
|
|
return
|
|
}
|
|
|
|
// Same as above, but a transitive example.
|
|
|
|
// CHECK: func @live_function_b
|
|
func @live_function_b() {
|
|
return
|
|
}
|
|
// CHECK-NOT: func private @dead_function_c
|
|
func private @dead_function_c() {
|
|
call @live_function_b() : () -> ()
|
|
return
|
|
}
|
|
// CHECK-NOT: func private @dead_function_d
|
|
func private @dead_function_d() {
|
|
call @dead_function_c() : () -> ()
|
|
call @dead_function_c() : () -> ()
|
|
return
|
|
}
|
|
// CHECK: func @live_function_c
|
|
func @live_function_c() {
|
|
call @dead_function_c() : () -> ()
|
|
call @dead_function_d() : () -> ()
|
|
return
|
|
}
|
|
|
|
// Function is referenced by non-callable top-level user.
|
|
// CHECK: func private @live_function_d
|
|
func private @live_function_d() {
|
|
return
|
|
}
|
|
|
|
"live.user"() {use = @live_function_d} : () -> ()
|
|
|
|
// -----
|
|
|
|
// This test checks that the inliner can properly handle the deletion of
|
|
// functions in different SCCs that are referenced by calls materialized during
|
|
// canonicalization.
|
|
// CHECK: func @live_function_e
|
|
func @live_function_e() {
|
|
call @dead_function_e() : () -> ()
|
|
return
|
|
}
|
|
// CHECK-NOT: func @dead_function_e
|
|
func private @dead_function_e() -> () {
|
|
"test.fold_to_call_op"() {callee=@dead_function_f} : () -> ()
|
|
return
|
|
}
|
|
// CHECK-NOT: func private @dead_function_f
|
|
func private @dead_function_f() {
|
|
return
|
|
}
|