| // RUN: mlir-opt %s -canonicalize --split-input-file | FileCheck %s |
| |
| // CHECK-LABEL: @select_same_val |
| // CHECK: return %arg1 |
| func @select_same_val(%arg0: i1, %arg1: i64) -> i64 { |
| %0 = select %arg0, %arg1, %arg1 : i64 |
| return %0 : i64 |
| } |
| |
| // ----- |
| |
| // CHECK-LABEL: @select_cmp_eq_select |
| // CHECK: return %arg1 |
| func @select_cmp_eq_select(%arg0: i64, %arg1: i64) -> i64 { |
| %0 = arith.cmpi eq, %arg0, %arg1 : i64 |
| %1 = select %0, %arg0, %arg1 : i64 |
| return %1 : i64 |
| } |
| |
| // ----- |
| |
| // CHECK-LABEL: @select_cmp_ne_select |
| // CHECK: return %arg0 |
| func @select_cmp_ne_select(%arg0: i64, %arg1: i64) -> i64 { |
| %0 = arith.cmpi ne, %arg0, %arg1 : i64 |
| %1 = select %0, %arg0, %arg1 : i64 |
| return %1 : i64 |
| } |
| |
| // ----- |
| |
| // CHECK-LABEL: @branchCondProp |
| // CHECK: %[[trueval:.+]] = arith.constant true |
| // CHECK: %[[falseval:.+]] = arith.constant false |
| // CHECK: "test.consumer1"(%[[trueval]]) : (i1) -> () |
| // CHECK: "test.consumer2"(%[[falseval]]) : (i1) -> () |
| func @branchCondProp(%arg0: i1) { |
| cond_br %arg0, ^trueB, ^falseB |
| |
| ^trueB: |
| "test.consumer1"(%arg0) : (i1) -> () |
| br ^exit |
| |
| ^falseB: |
| "test.consumer2"(%arg0) : (i1) -> () |
| br ^exit |
| |
| ^exit: |
| return |
| } |
| |
| // ----- |
| |
| // CHECK-LABEL: @selToNot |
| // CHECK: %[[trueval:.+]] = arith.constant true |
| // CHECK: %{{.+}} = arith.xori %arg0, %[[trueval]] : i1 |
| func @selToNot(%arg0: i1) -> i1 { |
| %true = arith.constant true |
| %false = arith.constant false |
| %res = select %arg0, %false, %true : i1 |
| return %res : i1 |
| } |
