; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes="simplifycfg" < %s | FileCheck %s define i8 @test() { ; CHECK-LABEL: @test( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP2:%.*]] ; CHECK: loop2: ; CHECK-NEXT: [[PHI2:%.*]] = phi i8 [ 0, [[ENTRY:%.*]] ], [ [[SPEC_SELECT:%.*]], [[LOOP2]] ] ; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[PHI2]], 0 ; CHECK-NEXT: [[SPEC_SELECT]] = select i1 [[COND]], i8 0, i8 [[PHI2]] ; CHECK-NEXT: br label [[LOOP2]] ; entry: br label %loop loop: %phi1 = phi i8 [ 0, %entry ], [ %phi2, %loop2 ] br label %loop2 loop2: %phi2 = phi i8 [ %phi1, %loop ], [ 0, %loop2 ] switch i8 %phi2, label %loop [ i8 0, label %loop2 i8 1, label %exit ] exit: ret i8 0 }