llvm-6502/test/CodeGen/ARM64/const-addr.ll
Juergen Ributzka c6a7502a80 [Constant Hoisting][ARM64] Enable constant hoisting for ARM64.
This implements the target-hooks for ARM64 to enable constant hoisting.

This fixes <rdar://problem/14774662> and <rdar://problem/16381500>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205791 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-08 20:39:59 +00:00

24 lines
662 B
LLVM

; RUN: llc -mtriple=arm64-darwin-unknown < %s | FileCheck %s
%T = type { i32, i32, i32, i32 }
; Test if the constant base address gets only materialized once.
define i32 @test1() nounwind {
; CHECK-LABEL: test1
; CHECK: movz x8, #1039, lsl #16
; CHECK-NEXT: movk x8, #49152
; CHECK-NEXT: ldp w9, w10, [x8, #4]
; CHECK: ldr w8, [x8, #12]
%at = inttoptr i64 68141056 to %T*
%o1 = getelementptr %T* %at, i32 0, i32 1
%t1 = load i32* %o1
%o2 = getelementptr %T* %at, i32 0, i32 2
%t2 = load i32* %o2
%a1 = add i32 %t1, %t2
%o3 = getelementptr %T* %at, i32 0, i32 3
%t3 = load i32* %o3
%a2 = add i32 %a1, %t3
ret i32 %a2
}