xref: /llvm-project/llvm/test/CodeGen/RISCV/fastcc-bf16.ll (revision 2967e5f8007d873a3e9d97870d2461d0827a3976)
1748ae69bSCraig Topper; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2748ae69bSCraig Topper; RUN: llc -mtriple=riscv32 -mattr=+zfbfmin -target-abi=ilp32 -verify-machineinstrs < %s \
3748ae69bSCraig Topper; RUN:     | FileCheck %s
4748ae69bSCraig Topper
5748ae69bSCraig Topperdefine fastcc bfloat @callee(<32 x bfloat> %A) nounwind {
6748ae69bSCraig Topper; CHECK-LABEL: callee:
7748ae69bSCraig Topper; CHECK:       # %bb.0:
8748ae69bSCraig Topper; CHECK-NEXT:    fmv.x.h a0, fa0
9748ae69bSCraig Topper; CHECK-NEXT:    ret
10748ae69bSCraig Topper	%B = extractelement <32 x bfloat> %A, i32 0
11748ae69bSCraig Topper	ret bfloat %B
12748ae69bSCraig Topper}
13748ae69bSCraig Topper
14748ae69bSCraig Topper; With the fastcc, arguments will be passed by fa0-fa7 and ft0-ft11.
15748ae69bSCraig Topper; The rest will be pushed on the stack.
16748ae69bSCraig Topperdefine bfloat @caller(<32 x bfloat> %A) nounwind {
17748ae69bSCraig Topper; CHECK-LABEL: caller:
18748ae69bSCraig Topper; CHECK:       # %bb.0:
19748ae69bSCraig Topper; CHECK-NEXT:    addi sp, sp, -32
20748ae69bSCraig Topper; CHECK-NEXT:    sw ra, 28(sp) # 4-byte Folded Spill
21748ae69bSCraig Topper; CHECK-NEXT:    fmv.h.x fa0, a0
22748ae69bSCraig Topper; CHECK-NEXT:    fmv.h.x fa1, a1
23748ae69bSCraig Topper; CHECK-NEXT:    fmv.h.x fa2, a2
24748ae69bSCraig Topper; CHECK-NEXT:    fmv.h.x fa3, a3
25748ae69bSCraig Topper; CHECK-NEXT:    fmv.h.x fa4, a4
26748ae69bSCraig Topper; CHECK-NEXT:    flh ft0, 32(sp)
27748ae69bSCraig Topper; CHECK-NEXT:    flh ft1, 36(sp)
28748ae69bSCraig Topper; CHECK-NEXT:    flh ft2, 40(sp)
29748ae69bSCraig Topper; CHECK-NEXT:    flh ft3, 44(sp)
30748ae69bSCraig Topper; CHECK-NEXT:    flh ft4, 48(sp)
31748ae69bSCraig Topper; CHECK-NEXT:    flh ft5, 52(sp)
32748ae69bSCraig Topper; CHECK-NEXT:    flh ft6, 56(sp)
33748ae69bSCraig Topper; CHECK-NEXT:    flh ft7, 60(sp)
34748ae69bSCraig Topper; CHECK-NEXT:    flh ft8, 64(sp)
35748ae69bSCraig Topper; CHECK-NEXT:    flh ft9, 68(sp)
36748ae69bSCraig Topper; CHECK-NEXT:    flh ft10, 72(sp)
37748ae69bSCraig Topper; CHECK-NEXT:    flh ft11, 76(sp)
38748ae69bSCraig Topper; CHECK-NEXT:    flh fs0, 80(sp)
39748ae69bSCraig Topper; CHECK-NEXT:    flh fs1, 84(sp)
40748ae69bSCraig Topper; CHECK-NEXT:    flh fs2, 88(sp)
41748ae69bSCraig Topper; CHECK-NEXT:    flh fs3, 92(sp)
42748ae69bSCraig Topper; CHECK-NEXT:    flh fs4, 96(sp)
43748ae69bSCraig Topper; CHECK-NEXT:    flh fs5, 100(sp)
44748ae69bSCraig Topper; CHECK-NEXT:    flh fs6, 104(sp)
45748ae69bSCraig Topper; CHECK-NEXT:    flh fs7, 108(sp)
46748ae69bSCraig Topper; CHECK-NEXT:    flh fs8, 112(sp)
47748ae69bSCraig Topper; CHECK-NEXT:    flh fs9, 116(sp)
48748ae69bSCraig Topper; CHECK-NEXT:    flh fs10, 120(sp)
49748ae69bSCraig Topper; CHECK-NEXT:    flh fs11, 124(sp)
50748ae69bSCraig Topper; CHECK-NEXT:    fmv.h.x fa5, a5
51748ae69bSCraig Topper; CHECK-NEXT:    fmv.h.x fa6, a6
52748ae69bSCraig Topper; CHECK-NEXT:    fmv.h.x fa7, a7
53748ae69bSCraig Topper; CHECK-NEXT:    fsh fs8, 16(sp)
54*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs9, 18(sp)
55*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs10, 20(sp)
56*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs11, 22(sp)
57748ae69bSCraig Topper; CHECK-NEXT:    fsh fs4, 8(sp)
58*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs5, 10(sp)
59*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs6, 12(sp)
60*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs7, 14(sp)
61748ae69bSCraig Topper; CHECK-NEXT:    fsh fs0, 0(sp)
62*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs1, 2(sp)
63*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs2, 4(sp)
64*2967e5f8SAlex Bradbury; CHECK-NEXT:    fsh fs3, 6(sp)
65748ae69bSCraig Topper; CHECK-NEXT:    call callee
66748ae69bSCraig Topper; CHECK-NEXT:    lw ra, 28(sp) # 4-byte Folded Reload
67748ae69bSCraig Topper; CHECK-NEXT:    addi sp, sp, 32
68748ae69bSCraig Topper; CHECK-NEXT:    ret
69748ae69bSCraig Topper	%C = call fastcc bfloat @callee(<32 x bfloat> %A)
70748ae69bSCraig Topper	ret bfloat %C
71748ae69bSCraig Topper}
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