(gdb) p MF->dump()
# Machine code for function repl: Post SSA, not tracking liveness
Frame Objects:
  fi#0: size=8, align=8, at location [SP-48]
  fi#1: size=4, align=4, at location [SP-52]
  fi#2: size=16, align=8, at location [SP-72]
  fi#3: size=8, align=8, at location [SP-8]
  fi#4: size=8, align=8, at location [SP-16]
  fi#5: size=8, align=8, at location [SP-24]
  fi#6: size=8, align=8, at location [SP-32]
  fi#7: size=8, align=8, at location [SP-40]
Function Live Ins: %RDI in %vreg2, %RSI in %vreg3

BB#0: derived from LLVM BB %entry
    Live Ins: %RDI %RSI %RBP %R15 %R14 %R12 %RBX
  PUSH64r %RBP<kill>, %RSP<imp-def>, %RSP<imp-use>; flags: FrameSetup
  PROLOG_LABEL <MCSym=.Ltmp14>
  PUSH64r %R15<kill>, %RSP<imp-def>, %RSP<imp-use>; flags: FrameSetup
  PROLOG_LABEL <MCSym=.Ltmp15>
  PUSH64r %R14<kill>, %RSP<imp-def>, %RSP<imp-use>; flags: FrameSetup
  PROLOG_LABEL <MCSym=.Ltmp16>
  PUSH64r %R12<kill>, %RSP<imp-def>, %RSP<imp-use>; flags: FrameSetup
  PROLOG_LABEL <MCSym=.Ltmp17>
  PUSH64r %RBX<kill>, %RSP<imp-def>, %RSP<imp-use>; flags: FrameSetup
  PROLOG_LABEL <MCSym=.Ltmp18>
  %RSP<def,tied1> = SUB64ri8 %RSP<tied0>, 32, %EFLAGS<imp-def,dead>; flags: FrameSetup
  PROLOG_LABEL <MCSym=.Ltmp19>
  %RBP<def> = MOV64rr %RSI
  %R14<def> = MOV64rr %RDI
  MOV32mi %RSP, 1, %noreg, 20, %noreg, 0; mem:ST4[%ehselector.slot]
  %RBX<def> = LEA64r %RSP, 1, %noreg, 0, %noreg
  %RDI<def> = MOV64rr %RBX
  CALL64pcrel32 <ga:@newAFsp>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %RSP<imp-def>
  %RDI<def> = MOV64ri64i32 <ga:@":::global-str-/Users/meister/Development/cando/src/tests/core/dwarf1.lsp">
  %ESI<def> = MOV32ri 1
  %EDX<def> = MOV32ri 1
  %RCX<def> = MOV64rr %RBP<kill>
  %R8<def> = MOV64ri64i32 <ga:@":::global-str-COMPILER::FORM">
  CALL64pcrel32 <ga:@trace_enterFunctionScope>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %ESI<imp-use>, %EDX<imp-use>, %RCX<imp-use,kill>, %R8<imp-use,kill>, %RSP<imp-def>, %EAX<imp-def>
  %R15D<def> = MOV32rr %EAX
  %RDI<def> = MOV64ri64i32 <ga:@":::global-str-/Users/meister/Development/cando/src/tests/core/dwarf1.lsp">
  %ESI<def> = MOV32ri 6
  %EDX<def> = MOV32ri 4
  %RCX<def> = MOV64rr %RBX; dbg:<unknown>:6:4
  %R8<def> = MOV64ri64i32 <ga:@":::global-str-( *FSET ( QUOTE FOO ) ( FUNCTION ( LAMBDA-BLOCK FOO ( X ) ( DECLARE ( C-GLOBAL )">; dbg:<unknown>:6:4
  CALL64pcrel32 <ga:@trace_enterCallScope>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %ESI<imp-use>, %EDX<imp-use>, %RCX<imp-use,kill>, %R8<imp-use,kill>, %RSP<imp-def>, %EAX<imp-def>; dbg:<unknown>:6:4
  %R12D<def> = MOV32rr %EAX; dbg:<unknown>:6:4
  %RDI<def> = MOV64rr %RBX; dbg:<unknown>:6:4
  %ESI<def> = MOV32ri 3
  CALL64pcrel32 <ga:@makeValueFrame>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %ESI<imp-use>, %RSP<imp-def>; dbg:<unknown>:6:4
  CALL64pcrel32 <ga:@activationFrameNil>, <regmask>, %RSP<imp-use>, %RSP<imp-def>, %RAX<imp-def>; dbg:<unknown>:6:4
  %RDI<def> = MOV64rr %RBX; dbg:<unknown>:6:4
  %RSI<def> = MOV64rr %RAX<kill>; dbg:<unknown>:6:4
  CALL64pcrel32 <ga:@setParentOfActivationFrame>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %RSI<imp-use>, %RSP<imp-def>; dbg:<unknown>:6:4
  %RDI<def> = MOV64rr %RBX; dbg:<unknown>:6:4
  %ESI<def> = MOV32r0 %EFLAGS<imp-def,dead>
  CALL64pcrel32 <ga:@valueFrameReference>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %ESI<imp-use>, %RSP<imp-def>, %RAX<imp-def>; dbg:<unknown>:6:4
  %RDI<def> = MOV64rr %RAX<kill>; dbg:<unknown>:6:4
  %RSI<def> = MOV64ri64i32 <ga:@load-time-value-vector>; dbg:<unknown>:6:4
  %EDX<def> = MOV32ri 2
  CALL64pcrel32 <ga:@sp_copyLoadTimeValue>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %RSI<imp-use>, %EDX<imp-use>, %RSP<imp-def>; dbg:<unknown>:6:4
  %RDI<def> = MOV64rr %RBX<kill>; dbg:<unknown>:6:4
  %ESI<def> = MOV32ri 1
  CALL64pcrel32 <ga:@valueFrameReference>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %ESI<imp-use>, %RSP<imp-def>, %RAX<imp-def>; dbg:<unknown>:6:4
  %RBX<def> = MOV64rr %RAX; dbg:<unknown>:6:4
  %RDI<def> = MOV64ri64i32 <ga:@load-time-value-vector>; dbg:<unknown>:6:4
  %ESI<def> = MOV32r0 %EFLAGS<imp-def,dead>
  CALL64pcrel32 <ga:@loadTimeValueReference>, <regmask>, %RSP<imp-use>, %RDI<imp-use>, %ESI<imp-use>, %RSP<imp-def>, %RAX<imp-def>; dbg:<unknown>:6:4
  %RBP<def> = MOV64rr %RAX; dbg:<unknown>:6:4
  CALL64pcrel32 <ga:@activationFrameNil>, <regmask>, %RSP<imp-use>, %RSP<imp-def>, %RAX<imp-def>; dbg:<unknown>:6:4
  EH_LABEL <MCSym=.Ltmp9>; dbg:<unknown>:6:4
  %RDI<def> = MOV64rr %RBX<kill>; dbg:<unknown>:6:4