File: blockaddress.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (25 lines) | stat: -rw-r--r-- 789 bytes parent folder | download | duplicates (14) 
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
 
; 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 ptr null

define void @test_blockaddress() nounwind {
; RV32I-LABEL: test_blockaddress:
; RV32I:       # %bb.0:
; 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:    ret
  store volatile ptr blockaddress(@test_blockaddress, %block), ptr @addr
  %val = load volatile ptr, ptr @addr
  indirectbr ptr %val, [label %block]

block:
  ret void
}