| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: opt -S -passes=licm,simple-loop-unswitch,licm < %s | FileCheck %s |
| |
| declare void @llvm.experimental.guard(i1, ...) |
| |
| define void @test() { |
| ; CHECK-LABEL: define void @test() { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i32 0, 400 |
| ; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP0]], i32 9) [ "deopt"() ] |
| ; CHECK-NEXT: br label [[HEADER:%.*]] |
| ; CHECK: header.loopexit: |
| ; CHECK-NEXT: br label [[HEADER]] |
| ; CHECK: header: |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: br i1 true, label [[HEADER_LOOPEXIT:%.*]], label [[LOOP]] |
| ; |
| entry: |
| br label %header |
| |
| header: |
| br label %loop |
| |
| loop: |
| %0 = icmp ult i32 0, 400 |
| call void (i1, ...) @llvm.experimental.guard(i1 %0, i32 9) [ "deopt"() ] |
| br i1 undef, label %header, label %loop |
| } |