Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/2011-10-11-SpillDead.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 54457678186b |
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; RUN: llc < %s -verify-regalloc ; 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()