File: inline-asm-S-constraint.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (54 lines) | stat: -rw-r--r-- 1,612 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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 < %s | FileCheck %s --check-prefix=RV32
; RUN: llc -mtriple=riscv64 < %s | FileCheck %s --check-prefix=RV64

@var = external dso_local global i32, align 4

define dso_local ptr @constraint_S() {
; RV32-LABEL: constraint_S:
; RV32:       # %bb.0:
; RV32-NEXT:    #APP
; RV32-NEXT:    lui a0, %hi(var)
; RV32-NEXT:    addi a0, a0, %lo(var)
; RV32-NEXT:    #NO_APP
; RV32-NEXT:    ret
;
; RV64-LABEL: constraint_S:
; RV64:       # %bb.0:
; RV64-NEXT:    #APP
; RV64-NEXT:    lui a0, %hi(var)
; RV64-NEXT:    addi a0, a0, %lo(var)
; RV64-NEXT:    #NO_APP
; RV64-NEXT:    ret
  %ret = tail call ptr asm "lui $0, %hi($1)\0Aaddi $0, $0, %lo($1)", "=r,S"(ptr nonnull @var)
  ret ptr %ret
}

; Function Attrs: nofree nosync nounwind readnone
define dso_local ptr @constraint_S_label() {
; RV32-LABEL: constraint_S_label:
; RV32:       # %bb.0: # %entry
; RV32-NEXT:  .Ltmp0: # Block address taken
; RV32-NEXT:  # %bb.1: # %L1
; RV32-NEXT:    #APP
; RV32-NEXT:    lui a0, %hi(.Ltmp0)
; RV32-NEXT:    addi a0, a0, %lo(.Ltmp0)
; RV32-NEXT:    #NO_APP
; RV32-NEXT:    ret
;
; RV64-LABEL: constraint_S_label:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:  .Ltmp0: # Block address taken
; RV64-NEXT:  # %bb.1: # %L1
; RV64-NEXT:    #APP
; RV64-NEXT:    lui a0, %hi(.Ltmp0)
; RV64-NEXT:    addi a0, a0, %lo(.Ltmp0)
; RV64-NEXT:    #NO_APP
; RV64-NEXT:    ret
entry:
  br label %L1

L1:
  %ret = tail call ptr asm "lui $0, %hi($1)\0Aaddi $0, $0, %lo($1)", "=r,S"(ptr blockaddress(@constraint_S_label, %L1))
  ret ptr %ret
}