xref: /llvm-project/llvm/test/CodeGen/RISCV/global-merge.ll (revision 3787fbf0402b4e03e316c13231f8873769701250)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 -global-merge-on-external=false \
3; RUN:     -verify-machineinstrs < %s | FileCheck %s
4; RUN: llc -mtriple=riscv64 -global-merge-on-external=false \
5; RUN:     -verify-machineinstrs < %s | FileCheck %s
6; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
7; RUN:   | FileCheck -check-prefix=CHECK-WEXTERN %s
8; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
9; RUN:   | FileCheck -check-prefix=CHECK-WEXTERN %s
10
11@ig1 = internal global i32 0, align 4
12@ig2 = internal global i32 0, align 4
13
14@eg1 = dso_local global i32 0, align 4
15@eg2 = dso_local global i32 0, align 4
16
17; TODO: It would be better for code size to alter the first store below by
18; first fully materialising .L_MergedGlobals in a1 and then storing to it with
19; a 0 offset.
20
21define void @f1(i32 %a) nounwind {
22; CHECK-LABEL: f1:
23; CHECK:       # %bb.0:
24; CHECK-NEXT:    lui a1, %hi(eg1)
25; CHECK-NEXT:    sw a0, %lo(eg1)(a1)
26; CHECK-NEXT:    lui a1, %hi(.L_MergedGlobals)
27; CHECK-NEXT:    sw a0, %lo(.L_MergedGlobals)(a1)
28; CHECK-NEXT:    addi a1, a1, %lo(.L_MergedGlobals)
29; CHECK-NEXT:    sw a0, 4(a1)
30; CHECK-NEXT:    lui a1, %hi(eg2)
31; CHECK-NEXT:    sw a0, %lo(eg2)(a1)
32; CHECK-NEXT:    ret
33;
34; CHECK-WEXTERN-LABEL: f1:
35; CHECK-WEXTERN:       # %bb.0:
36; CHECK-WEXTERN-NEXT:    lui a1, %hi(.L_MergedGlobals)
37; CHECK-WEXTERN-NEXT:    sw a0, %lo(.L_MergedGlobals)(a1)
38; CHECK-WEXTERN-NEXT:    addi a1, a1, %lo(.L_MergedGlobals)
39; CHECK-WEXTERN-NEXT:    sw a0, 4(a1)
40; CHECK-WEXTERN-NEXT:    sw a0, 8(a1)
41; CHECK-WEXTERN-NEXT:    sw a0, 12(a1)
42; CHECK-WEXTERN-NEXT:    ret
43  store i32 %a, ptr @ig1, align 4
44  store i32 %a, ptr @ig2, align 4
45  store i32 %a, ptr @eg1, align 4
46  store i32 %a, ptr @eg2, align 4
47  ret void
48}
49