File: block-address.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (39 lines) | stat: -rw-r--r-- 1,342 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s --check-prefix=LA32
; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s --check-prefix=LA64

@addr = dso_local global ptr null

define void @test_blockaddress() nounwind {
; LA32-LABEL: test_blockaddress:
; LA32:       # %bb.0:
; LA32-NEXT:    pcalau12i $a0, %pc_hi20(addr)
; LA32-NEXT:    addi.w $a0, $a0, %pc_lo12(addr)
; LA32-NEXT:    pcalau12i $a1, %pc_hi20(.Ltmp0)
; LA32-NEXT:    addi.w $a1, $a1, %pc_lo12(.Ltmp0)
; LA32-NEXT:    st.w $a1, $a0, 0
; LA32-NEXT:    ld.w $a0, $a0, 0
; LA32-NEXT:    jr $a0
; LA32-NEXT:  .Ltmp0: # Block address taken
; LA32-NEXT:  .LBB0_1: # %block
; LA32-NEXT:    ret
;
; LA64-LABEL: test_blockaddress:
; LA64:       # %bb.0:
; LA64-NEXT:    pcalau12i $a0, %pc_hi20(addr)
; LA64-NEXT:    addi.d $a0, $a0, %pc_lo12(addr)
; LA64-NEXT:    pcalau12i $a1, %pc_hi20(.Ltmp0)
; LA64-NEXT:    addi.d $a1, $a1, %pc_lo12(.Ltmp0)
; LA64-NEXT:    st.d $a1, $a0, 0
; LA64-NEXT:    ld.d $a0, $a0, 0
; LA64-NEXT:    jr $a0
; LA64-NEXT:  .Ltmp0: # Block address taken
; LA64-NEXT:  .LBB0_1: # %block
; LA64-NEXT:    ret
  store volatile ptr blockaddress(@test_blockaddress, %block), ptr @addr
  %val = load volatile ptr, ptr @addr
  indirectbr ptr %val, [label %block]

block:
  ret void
}