xref: /llvm-project/llvm/test/CodeGen/RISCV/global-merge-minsize-smalldata-zero.ll (revision 3787fbf0402b4e03e316c13231f8873769701250)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
3; RUN:   | FileCheck %s -check-prefix=SMALL-DATA
4; RUN: llc -mtriple=riscv64 -global-merge-min-data-size=5 -verify-machineinstrs < %s \
5; RUN:   | FileCheck %s -check-prefix=MINSIZE
6
7@ig1 = internal global i32 0, align 4
8@ig2 = internal global i32 0, align 4
9
10@eg1 = dso_local global i32 0, align 4
11@eg2 = dso_local global i32 0, align 4
12
13
14; This test shows that GlobalDataMinSize is set to 0 when SmallDataLimit module
15; flag is set to zero, and that the global-merge-min-data-size option overrides
16; the small data limit.
17
18define void @f1(i32 %a) nounwind {
19; SMALL-DATA-LABEL: f1:
20; SMALL-DATA:       # %bb.0:
21; SMALL-DATA-NEXT:    lui a1, %hi(.L_MergedGlobals)
22; SMALL-DATA-NEXT:    sw a0, %lo(.L_MergedGlobals)(a1)
23; SMALL-DATA-NEXT:    addi a1, a1, %lo(.L_MergedGlobals)
24; SMALL-DATA-NEXT:    sw a0, 4(a1)
25; SMALL-DATA-NEXT:    sw a0, 8(a1)
26; SMALL-DATA-NEXT:    sw a0, 12(a1)
27; SMALL-DATA-NEXT:    ret
28;
29; MINSIZE-LABEL: f1:
30; MINSIZE:       # %bb.0:
31; MINSIZE-NEXT:    lui a1, %hi(ig1)
32; MINSIZE-NEXT:    sw a0, %lo(ig1)(a1)
33; MINSIZE-NEXT:    lui a1, %hi(ig2)
34; MINSIZE-NEXT:    sw a0, %lo(ig2)(a1)
35; MINSIZE-NEXT:    lui a1, %hi(eg1)
36; MINSIZE-NEXT:    sw a0, %lo(eg1)(a1)
37; MINSIZE-NEXT:    lui a1, %hi(eg2)
38; MINSIZE-NEXT:    sw a0, %lo(eg2)(a1)
39; MINSIZE-NEXT:    ret
40  store i32 %a, ptr @ig1, align 4
41  store i32 %a, ptr @ig2, align 4
42  store i32 %a, ptr @eg1, align 4
43  store i32 %a, ptr @eg2, align 4
44  ret void
45}
46
47
48!llvm.module.flags = !{!0}
49!0 = !{i32 8, !"SmallDataLimit", i32 0}
50