File: arm64-const-addr.ll

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (23 lines) | stat: -rw-r--r-- 683 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; 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:        mov  w8, #68091904
; CHECK-NEXT:   movk  w8, #49152
; CHECK-NEXT:   ldp w9, w10, [x8, #4]
; CHECK:        ldr w8, [x8, #12]
  %at = inttoptr i64 68141056 to %T*
  %o1 = getelementptr %T, %T* %at, i32 0, i32 1
  %t1 = load i32, i32* %o1
  %o2 = getelementptr %T, %T* %at, i32 0, i32 2
  %t2 = load i32, i32* %o2
  %a1 = add i32 %t1, %t2
  %o3 = getelementptr %T, %T* %at, i32 0, i32 3
  %t3 = load i32, i32* %o3
  %a2 = add i32 %a1, %t3
  ret i32 %a2
}