Mercurial > hg > Members > tobaru > cbc > CbC_llvm

view test/CodeGen/X86/sext-subreg.ll @ 33:e4204d083e25

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children 803732b1fca8
line wrap: on
line source

; RUN: llc < %s -march=x86-64 | FileCheck %s
; rdar://7529457

define i64 @t(i64 %A, i64 %B, i32* %P, i64 *%P2) nounwind {
; CHECK-LABEL: t:
; CHECK: movslq %e{{.*}}, %rax
; CHECK: movq %rax
; CHECK: movl %eax
  %C = add i64 %A, %B
  %D = trunc i64 %C to i32
  store volatile i32 %D, i32* %P
  %E = shl i64 %C, 32
  %F = ashr i64 %E, 32  
  store volatile i64 %F, i64 *%P2
  store volatile i32 %D, i32* %P
  ret i64 undef
}