1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=jump-threading %s | FileCheck %s 3 4; https://github.com/llvm/llvm-project/issues/58812 5 6define void @test() { 7; CHECK-LABEL: @test( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: br label [[EXIT:%.*]] 10; CHECK: loop: 11; CHECK-NEXT: [[DUMMY:%.*]] = phi i16 [ 0, [[LOOP:%.*]] ] 12; CHECK-NEXT: [[CMP:%.*]] = icmp eq i16 0, 1 13; CHECK-NEXT: [[XOR:%.*]] = xor i1 false, [[XOR]] 14; CHECK-NEXT: br i1 [[XOR]], label [[LOOP]], label [[EXIT]] 15; CHECK: exit: 16; CHECK-NEXT: ret void 17; 18entry: 19 br i1 false, label %loop, label %exit 20 21loop: 22 %bool = phi i1 [ %xor, %loop.latch ], [ false, %entry ] 23 %cmp = icmp eq i16 0, 1 24 %xor = xor i1 %cmp, %bool 25 br i1 %bool, label %loop.latch, label %exit 26 27loop.latch: 28 %dummy = phi i16 [ 0, %loop ] 29 br label %loop 30 31exit: 32 ret void 33} 34