Mercurial > hg > Members > tobaru > cbc > CbC_llvm

view test/CodeGen/ARM/undef-sext.ll @ 100:7d135dc70f03

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children
line wrap: on
line source

; RUN: llc < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s

; No need to sign-extend undef.

define i32 @t(i32* %a) nounwind {
entry:
; CHECK-LABEL: t:
; CHECK: ldr r0, [r0]
; CHECK: bx lr
  %0 = sext i16 undef to i32
  %1 = getelementptr inbounds i32, i32* %a, i32 %0
  %2 = load i32, i32* %1, align 4
  ret i32 %2
}