File: arm64-const-addr.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (23 lines) | stat: -rw-r--r-- 688 bytes parent folder | download | duplicates (15)
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, #49152
; CHECK-NEXT:   movk  w8, #1039, lsl #16
; 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
}