xref: /llvm-project/llvm/test/CodeGen/RISCV/inline-asm-s-constraint.ll (revision 10a55caccf4e2d397f94c1455b93d774591be45f)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 -relocation-model=static < %s | FileCheck %s --check-prefix=RV32
3; RUN: llc -mtriple=riscv64 -relocation-model=pic < %s | FileCheck %s --check-prefix=RV64
4
5@var = external dso_local global i32, align 4
6@a = external global [2 x [2 x i32]], align 4
7
8define dso_local void @test() {
9; RV32-LABEL: test:
10; RV32:       # %bb.0: # %entry
11; RV32-NEXT:    #APP
12; RV32-NEXT:    # var a+12 test
13; RV32-NEXT:    #NO_APP
14; RV32-NEXT:    #APP
15; RV32-NEXT:    # var a+12 test
16; RV32-NEXT:    #NO_APP
17; RV32-NEXT:    ret
18;
19; RV64-LABEL: test:
20; RV64:       # %bb.0: # %entry
21; RV64-NEXT:    #APP
22; RV64-NEXT:    # var a+12 .Ltest$local
23; RV64-NEXT:    #NO_APP
24; RV64-NEXT:    #APP
25; RV64-NEXT:    # var a+12 .Ltest$local
26; RV64-NEXT:    #NO_APP
27; RV64-NEXT:    ret
28entry:
29  call void asm sideeffect "// $0 $1 $2", "s,s,s,~{dirflag},~{fpsr},~{flags}"(ptr @var, ptr getelementptr inbounds ([2 x [2 x i32]], ptr @a, i64 0, i64 1, i64 1), ptr @test)
30
31  ;; Implement "S" as an alias for "s".
32  call void asm sideeffect "// $0 $1 $2", "S,S,S,~{dirflag},~{fpsr},~{flags}"(ptr @var, ptr getelementptr inbounds ([2 x [2 x i32]], ptr @a, i64 0, i64 1, i64 1), ptr @test)
33  ret void
34}
35
36; Function Attrs: nofree nosync nounwind readnone
37define dso_local ptr @test_label() {
38; RV32-LABEL: test_label:
39; RV32:       # %bb.0: # %entry
40; RV32-NEXT:  .Ltmp0: # Block address taken
41; RV32-NEXT:  # %bb.1: # %L1
42; RV32-NEXT:    #APP
43; RV32-NEXT:    # .Ltmp0
44; RV32-NEXT:    #NO_APP
45; RV32-NEXT:    #APP
46; RV32-NEXT:    lui a0, %hi(.Ltmp0)
47; RV32-NEXT:    addi a0, a0, %lo(.Ltmp0)
48; RV32-NEXT:    #NO_APP
49; RV32-NEXT:    ret
50;
51; RV64-LABEL: test_label:
52; RV64:       # %bb.0: # %entry
53; RV64-NEXT:  .Ltmp0: # Block address taken
54; RV64-NEXT:  # %bb.1: # %L1
55; RV64-NEXT:    #APP
56; RV64-NEXT:    # .Ltmp0
57; RV64-NEXT:    #NO_APP
58; RV64-NEXT:    #APP
59; RV64-NEXT:    lui a0, %hi(.Ltmp0)
60; RV64-NEXT:    addi a0, a0, %lo(.Ltmp0)
61; RV64-NEXT:    #NO_APP
62; RV64-NEXT:    ret
63entry:
64  br label %L1
65
66L1:
67  call void asm sideeffect "// $0", "s,~{dirflag},~{fpsr},~{flags}"(ptr blockaddress(@test_label, %L1))
68  %ret = tail call ptr asm "lui $0, %hi($1)\0Aaddi $0, $0, %lo($1)", "=r,S"(ptr blockaddress(@test_label, %L1))
69  ret ptr %ret
70}
71