| ; RUN: opt -passes='loop(unswitch),verify<loops>' -S < %s | FileCheck %s |
| ; RUN: opt -verify-memoryssa -passes='loop-mssa(unswitch),verify<loops>' -S < %s | FileCheck %s |
| |
| declare void @incf() |
| declare void @decf() |
| |
| define i32 @test2(i32 %c) { |
| ; CHECK-LABEL: @test2( |
| br label %loop_begin |
| |
| ; CHECK: !prof ![[MD0:[0-9]+]] |
| ; CHECK: loop_begin: |
| ; CHECK: !prof ![[MD1:[0-9]+]] |
| loop_begin: |
| |
| switch i32 %c, label %default [ |
| i32 1, label %inc |
| i32 2, label %dec |
| ], !prof !{!"branch_weights", i32 99, i32 1, i32 2} |
| |
| inc: |
| call void @incf() |
| br label %loop_begin |
| |
| dec: |
| call void @decf() |
| br label %loop_begin |
| |
| default: |
| ret i32 0 |
| } |
| |
| ; CHECK: ![[MD0]] = !{!"branch_weights", i32 99, i32 1, i32 2} |
| ; CHECK: ![[MD1]] = !{!"branch_weights", i32 2, i32 1} |
