From 7b837d8c75f78fe55c9b348b9ec2281169a48d2a Mon Sep 17 00:00:00 2001
From: Tim Northover <tnorthover@apple.com>
Date: Sat, 29 Mar 2014 10:18:08 +0000
Subject: ARM64: initial backend import

This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/ARM64/zextload-unscaled.ll | 40 +++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 test/CodeGen/ARM64/zextload-unscaled.ll

(limited to 'test/CodeGen/ARM64/zextload-unscaled.ll')

diff --git a/test/CodeGen/ARM64/zextload-unscaled.ll b/test/CodeGen/ARM64/zextload-unscaled.ll
new file mode 100644
index 0000000000..c475dbd21e
--- /dev/null
+++ b/test/CodeGen/ARM64/zextload-unscaled.ll
@@ -0,0 +1,40 @@
+; 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* %base, i32 -7
+  %val = load 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* %base, i32 -7
+  %val = load 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* %base, i32 -7
+  %val = load i16* %addr, align 2
+
+  %extended = zext i16 %val to i32
+  store i32 %extended, i32* @var32, align 4
+  ret void
+}
+
-- 
cgit v1.2.3