File: blockaddress.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (29 lines) | stat: -rw-r--r-- 920 bytes parent folder | download | duplicates (2)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefix=RV32I

@addr = global i8* null

define void @test_blockaddress() nounwind {
; RV32I-LABEL: test_blockaddress:
; RV32I:       # %bb.0:
; RV32I-NEXT:    addi sp, sp, -16
; RV32I-NEXT:    sw ra, 12(sp)
; RV32I-NEXT:    lui a0, %hi(addr)
; RV32I-NEXT:    lui a1, %hi(.Ltmp0)
; RV32I-NEXT:    addi a1, a1, %lo(.Ltmp0)
; RV32I-NEXT:    sw a1, %lo(addr)(a0)
; RV32I-NEXT:    lw a0, %lo(addr)(a0)
; RV32I-NEXT:    jr a0
; RV32I-NEXT:  .Ltmp0: # Block address taken
; RV32I-NEXT:  .LBB0_1: # %block
; RV32I-NEXT:    lw ra, 12(sp)
; RV32I-NEXT:    addi sp, sp, 16
; RV32I-NEXT:    ret
  store volatile i8* blockaddress(@test_blockaddress, %block), i8** @addr
  %val = load volatile i8*, i8** @addr
  indirectbr i8* %val, [label %block]

block:
  ret void
}