xref: /llvm-project/llvm/test/CodeGen/RISCV/fastcc-half.ll (revision 2967e5f8007d873a3e9d97870d2461d0827a3976)
19e1e36d5SCraig Topper; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
29e1e36d5SCraig Topper; RUN: llc -mtriple=riscv32 -mattr=+zfhmin -target-abi=ilp32 -verify-machineinstrs < %s \
39e1e36d5SCraig Topper; RUN:     | FileCheck %s
49e1e36d5SCraig Topper
59e1e36d5SCraig Topperdefine fastcc half @callee(<32 x half> %A) nounwind {
69e1e36d5SCraig Topper; CHECK-LABEL: callee:
79e1e36d5SCraig Topper; CHECK:       # %bb.0:
89e1e36d5SCraig Topper; CHECK-NEXT:    fmv.x.h a0, fa0
99e1e36d5SCraig Topper; CHECK-NEXT:    ret
109e1e36d5SCraig Topper	%B = extractelement <32 x half> %A, i32 0
119e1e36d5SCraig Topper	ret half %B
129e1e36d5SCraig Topper}
139e1e36d5SCraig Topper
149e1e36d5SCraig Topper; With the fastcc, arguments will be passed by fa0-fa7 and ft0-ft11.
159e1e36d5SCraig Topper; The rest will be pushed on the stack.
169e1e36d5SCraig Topperdefine half @caller(<32 x half> %A) nounwind {
179e1e36d5SCraig Topper; CHECK-LABEL: caller:
189e1e36d5SCraig Topper; CHECK:       # %bb.0:
199e1e36d5SCraig Topper; CHECK-NEXT:    addi sp, sp, -32
209e1e36d5SCraig Topper; CHECK-NEXT:    sw ra, 28(sp) # 4-byte Folded Spill
219e1e36d5SCraig Topper; CHECK-NEXT:    fmv.h.x fa0, a0
229e1e36d5SCraig Topper; CHECK-NEXT:    fmv.h.x fa1, a1
239e1e36d5SCraig Topper; CHECK-NEXT:    fmv.h.x fa2, a2
249e1e36d5SCraig Topper; CHECK-NEXT:    fmv.h.x fa3, a3
259e1e36d5SCraig Topper; CHECK-NEXT:    fmv.h.x fa4, a4
269e1e36d5SCraig Topper; CHECK-NEXT:    flh ft0, 32(sp)
279e1e36d5SCraig Topper; CHECK-NEXT:    flh ft1, 36(sp)
289e1e36d5SCraig Topper; CHECK-NEXT:    flh ft2, 40(sp)
299e1e36d5SCraig Topper; CHECK-NEXT:    flh ft3, 44(sp)
309e1e36d5SCraig Topper; CHECK-NEXT:    flh ft4, 48(sp)
319e1e36d5SCraig Topper; CHECK-NEXT:    flh ft5, 52(sp)
329e1e36d5SCraig Topper; CHECK-NEXT:    flh ft6, 56(sp)
339e1e36d5SCraig Topper; CHECK-NEXT:    flh ft7, 60(sp)
349e1e36d5SCraig Topper; CHECK-NEXT:    flh ft8, 64(sp)
359e1e36d5SCraig Topper; CHECK-NEXT:    flh ft9, 68(sp)
369e1e36d5SCraig Topper; CHECK-NEXT:    flh ft10, 72(sp)
379e1e36d5SCraig Topper; CHECK-NEXT:    flh ft11, 76(sp)
389e1e36d5SCraig Topper; CHECK-NEXT:    flh fs0, 80(sp)
399e1e36d5SCraig Topper; CHECK-NEXT:    flh fs1, 84(sp)
409e1e36d5SCraig Topper; CHECK-NEXT:    flh fs2, 88(sp)
419e1e36d5SCraig Topper; CHECK-NEXT:    flh fs3, 92(sp)
429e1e36d5SCraig Topper; CHECK-NEXT:    flh fs4, 96(sp)
439e1e36d5SCraig Topper; CHECK-NEXT:    flh fs5, 100(sp)
449e1e36d5SCraig Topper; CHECK-NEXT:    flh fs6, 104(sp)
459e1e36d5SCraig Topper; CHECK-NEXT:    flh fs7, 108(sp)
469e1e36d5SCraig Topper; CHECK-NEXT:    flh fs8, 112(sp)
479e1e36d5SCraig Topper; CHECK-NEXT:    flh fs9, 116(sp)
489e1e36d5SCraig Topper; CHECK-NEXT:    flh fs10, 120(sp)
499e1e36d5SCraig Topper; CHECK-NEXT:    flh fs11, 124(sp)
509e1e36d5SCraig Topper; CHECK-NEXT:    fmv.h.x fa5, a5
519e1e36d5SCraig Topper; CHECK-NEXT:    fmv.h.x fa6, a6
529e1e36d5SCraig Topper; CHECK-NEXT:    fmv.h.x fa7, a7
539e1e36d5SCraig 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)
579e1e36d5SCraig 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)
619e1e36d5SCraig 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)
659e1e36d5SCraig Topper; CHECK-NEXT:    call callee
669e1e36d5SCraig Topper; CHECK-NEXT:    lw ra, 28(sp) # 4-byte Folded Reload
679e1e36d5SCraig Topper; CHECK-NEXT:    addi sp, sp, 32
689e1e36d5SCraig Topper; CHECK-NEXT:    ret
699e1e36d5SCraig Topper	%C = call fastcc half @callee(<32 x half> %A)
709e1e36d5SCraig Topper	ret half %C
719e1e36d5SCraig Topper}
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