File: 2011-10-11-SpillDead.ll

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llvm-toolchain-11 1%3A11.0.1-2
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; RUN: llc < %s -verify-regalloc -no-integrated-as
; PR11125
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.7"

; The inline asm takes %x as a GR32_ABCD virtual register.
; The call to @g forces a spill of that register.
;
; The asm has a dead output tied to %x.
; Verify that the spiller creates a value number for that dead def.
;
define void @f(i32 %x) nounwind uwtable ssp {
entry:
  tail call void @g() nounwind
  %0 = tail call i32 asm sideeffect "foo $0", "=Q,0,~{ebx},~{dirflag},~{fpsr},~{flags}"(i32 %x) nounwind
  ret void
}

declare void @g()