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
|
; 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
; Check load/store operations on values wider than what is natively supported
define i64 @load_i64(i64 *%a) nounwind {
; RV32I-LABEL: load_i64:
; RV32I: # %bb.0:
; RV32I-NEXT: lw a2, 0(a0)
; RV32I-NEXT: lw a1, 4(a0)
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: ret
%1 = load i64, i64* %a
ret i64 %1
}
@val64 = local_unnamed_addr global i64 2863311530, align 8
; TODO: codegen on this should be improved. It shouldn't be necessary to
; generate two addi
define i64 @load_i64_global() nounwind {
; RV32I-LABEL: load_i64_global:
; RV32I: # %bb.0:
; RV32I-NEXT: lui a0, %hi(val64)
; RV32I-NEXT: addi a0, a0, %lo(val64)
; RV32I-NEXT: lw a0, 0(a0)
; RV32I-NEXT: lui a1, %hi(val64+4)
; RV32I-NEXT: addi a1, a1, %lo(val64+4)
; RV32I-NEXT: lw a1, 0(a1)
; RV32I-NEXT: ret
%1 = load i64, i64* @val64
ret i64 %1
}
|
