1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=riscv32 -mattr=+f,+d -verify-machineinstrs < %s \ 3; RUN: | FileCheck %s 4 5define fastcc float @callee(<32 x float> %A) nounwind { 6; CHECK-LABEL: callee: 7; CHECK: # %bb.0: 8; CHECK-NEXT: fmv.x.w a0, fa0 9; CHECK-NEXT: ret 10 %B = extractelement <32 x float> %A, i32 0 11 ret float %B 12} 13 14; With the fastcc, arguments will be passed by fa0-fa7 and ft0-ft11. 15; The rest will be pushed on the stack. 16define float @caller(<32 x float> %A) nounwind { 17; CHECK-LABEL: caller: 18; CHECK: # %bb.0: 19; CHECK-NEXT: addi sp, sp, -64 20; CHECK-NEXT: sw ra, 60(sp) # 4-byte Folded Spill 21; CHECK-NEXT: flw fa0, 0(a0) 22; CHECK-NEXT: flw fa1, 4(a0) 23; CHECK-NEXT: flw fa2, 8(a0) 24; CHECK-NEXT: flw fa3, 12(a0) 25; CHECK-NEXT: flw fa4, 16(a0) 26; CHECK-NEXT: flw fa5, 20(a0) 27; CHECK-NEXT: flw fa6, 24(a0) 28; CHECK-NEXT: flw fa7, 28(a0) 29; CHECK-NEXT: flw ft0, 32(a0) 30; CHECK-NEXT: flw ft1, 36(a0) 31; CHECK-NEXT: flw ft2, 40(a0) 32; CHECK-NEXT: flw ft3, 44(a0) 33; CHECK-NEXT: flw ft4, 48(a0) 34; CHECK-NEXT: flw ft5, 52(a0) 35; CHECK-NEXT: flw ft6, 56(a0) 36; CHECK-NEXT: flw ft7, 60(a0) 37; CHECK-NEXT: flw ft8, 64(a0) 38; CHECK-NEXT: flw ft9, 68(a0) 39; CHECK-NEXT: flw ft10, 72(a0) 40; CHECK-NEXT: flw ft11, 76(a0) 41; CHECK-NEXT: flw fs0, 80(a0) 42; CHECK-NEXT: flw fs1, 84(a0) 43; CHECK-NEXT: flw fs2, 88(a0) 44; CHECK-NEXT: flw fs3, 92(a0) 45; CHECK-NEXT: flw fs4, 96(a0) 46; CHECK-NEXT: flw fs5, 100(a0) 47; CHECK-NEXT: flw fs6, 104(a0) 48; CHECK-NEXT: flw fs7, 108(a0) 49; CHECK-NEXT: flw fs8, 112(a0) 50; CHECK-NEXT: flw fs9, 116(a0) 51; CHECK-NEXT: flw fs10, 120(a0) 52; CHECK-NEXT: flw fs11, 124(a0) 53; CHECK-NEXT: fsw fs11, 44(sp) 54; CHECK-NEXT: fsw fs10, 40(sp) 55; CHECK-NEXT: fsw fs9, 36(sp) 56; CHECK-NEXT: fsw fs8, 32(sp) 57; CHECK-NEXT: fsw fs7, 28(sp) 58; CHECK-NEXT: fsw fs6, 24(sp) 59; CHECK-NEXT: fsw fs5, 20(sp) 60; CHECK-NEXT: fsw fs4, 16(sp) 61; CHECK-NEXT: fsw fs3, 12(sp) 62; CHECK-NEXT: fsw fs2, 8(sp) 63; CHECK-NEXT: fsw fs1, 4(sp) 64; CHECK-NEXT: fsw fs0, 0(sp) 65; CHECK-NEXT: call callee 66; CHECK-NEXT: lw ra, 60(sp) # 4-byte Folded Reload 67; CHECK-NEXT: addi sp, sp, 64 68; CHECK-NEXT: ret 69 %C = call fastcc float @callee(<32 x float> %A) 70 ret float %C 71} 72