view test/CodeGen/AArch64/arm64-zextload-unscaled.ll @ 100:7d135dc70f03 LLVM 3.9

LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 1172e4bd9c6f
line wrap: on
line source

; RUN: llc -march=arm64 < %s | FileCheck %s

@var32 = global i32 0

define void @test_zextloadi1_unscaled(i1* %base) {
; CHECK-LABEL: test_zextloadi1_unscaled:
; CHECK: ldurb {{w[0-9]+}}, [{{x[0-9]+}}, #-7]

  %addr = getelementptr i1, i1* %base, i32 -7
  %val = load i1, i1* %addr, align 1

  %extended = zext i1 %val to i32
  store i32 %extended, i32* @var32, align 4
  ret void
}

define void @test_zextloadi8_unscaled(i8* %base) {
; CHECK-LABEL: test_zextloadi8_unscaled:
; CHECK: ldurb {{w[0-9]+}}, [{{x[0-9]+}}, #-7]

  %addr = getelementptr i8, i8* %base, i32 -7
  %val = load i8, i8* %addr, align 1

  %extended = zext i8 %val to i32
  store i32 %extended, i32* @var32, align 4
  ret void
}

define void @test_zextloadi16_unscaled(i16* %base) {
; CHECK-LABEL: test_zextloadi16_unscaled:
; CHECK: ldurh {{w[0-9]+}}, [{{x[0-9]+}}, #-14]

  %addr = getelementptr i16, i16* %base, i32 -7
  %val = load i16, i16* %addr, align 2

  %extended = zext i16 %val to i32
  store i32 %extended, i32* @var32, align 4
  ret void
}