# Check that we don't accidentally optimize out a tail call. RUN: %clang %cflags %S/Inputs/sctc_bug3.s -o %t RUN: llvm-bolt %t -o /dev/null --funcs=main --print-after-lowering \ RUN: --sequential-disassembly 2>&1 | FileCheck %s CHECK: .LBB00 (1 instructions, align : 1) CHECK: cmpq %rdi, 0x0 # Check that .Ltmp0 does not have a deleted predecessor. CHECK: .Ltmp0 (1 instructions, align : 1) CHECK: Predecessors: .LBB00 # Tail call. CHECK: jmp foo