llvm-6502/test/CodeGen/ARM64/strict-align.ll
Kevin Qin 03145ebd88 [ARM64] Enable alignment control option in front-end for ARM64.
This is the modification in llvm part.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208074 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-06 09:48:52 +00:00

27 lines
797 B
LLVM

; RUN: llc < %s -mtriple=arm64-apple-darwin | FileCheck %s
; RUN: llc < %s -mtriple=arm64-apple-darwin -arm64-no-strict-align | FileCheck %s
; RUN: llc < %s -mtriple=arm64-apple-darwin -arm64-strict-align | FileCheck %s --check-prefix=CHECK-STRICT
define i32 @f0(i32* nocapture %p) nounwind {
; CHECK-STRICT: ldrh [[HIGH:w[0-9]+]], [x0, #2]
; CHECK-STRICT: ldrh [[LOW:w[0-9]+]], [x0]
; CHECK-STRICT: bfi [[LOW]], [[HIGH]], #16, #16
; CHECK-STRICT: ret
; CHECK: ldr w0, [x0]
; CHECK: ret
%tmp = load i32* %p, align 2
ret i32 %tmp
}
define i64 @f1(i64* nocapture %p) nounwind {
; CHECK-STRICT: ldp w[[LOW:[0-9]+]], w[[HIGH:[0-9]+]], [x0]
; CHECK-STRICT: bfi x[[LOW]], x[[HIGH]], #32, #32
; CHECK-STRICT: ret
; CHECK: ldr x0, [x0]
; CHECK: ret
%tmp = load i64* %p, align 4
ret i64 %tmp
}