; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -mattr=+f,+d -target-abi=ilp32 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s define fastcc float @callee(<32 x float> %A) nounwind { ; CHECK-LABEL: callee: ; CHECK: # %bb.0: ; CHECK-NEXT: fmv.x.w a0, fa0 ; CHECK-NEXT: ret %B = extractelement <32 x float> %A, i32 0 ret float %B } ; With the fastcc, arguments will be passed by fa0-fa7 and ft0-ft11. ; The rest will be pushed on the stack. define float @caller(<32 x float> %A) nounwind { ; CHECK-LABEL: caller: ; CHECK: # %bb.0: ; CHECK-NEXT: addi sp, sp, -64 ; CHECK-NEXT: sw ra, 60(sp) # 4-byte Folded Spill ; CHECK-NEXT: fmv.w.x fa0, a0 ; CHECK-NEXT: fmv.w.x fa1, a1 ; CHECK-NEXT: fmv.w.x fa2, a2 ; CHECK-NEXT: fmv.w.x fa3, a3 ; CHECK-NEXT: fmv.w.x fa4, a4 ; CHECK-NEXT: flw ft0, 64(sp) ; CHECK-NEXT: flw ft1, 68(sp) ; CHECK-NEXT: flw ft2, 72(sp) ; CHECK-NEXT: flw ft3, 76(sp) ; CHECK-NEXT: flw ft4, 80(sp) ; CHECK-NEXT: flw ft5, 84(sp) ; CHECK-NEXT: flw ft6, 88(sp) ; CHECK-NEXT: flw ft7, 92(sp) ; CHECK-NEXT: flw ft8, 96(sp) ; CHECK-NEXT: flw ft9, 100(sp) ; CHECK-NEXT: flw ft10, 104(sp) ; CHECK-NEXT: flw ft11, 108(sp) ; CHECK-NEXT: flw fs0, 112(sp) ; CHECK-NEXT: flw fs1, 116(sp) ; CHECK-NEXT: flw fs2, 120(sp) ; CHECK-NEXT: flw fs3, 124(sp) ; CHECK-NEXT: flw fs4, 128(sp) ; CHECK-NEXT: flw fs5, 132(sp) ; CHECK-NEXT: flw fs6, 136(sp) ; CHECK-NEXT: flw fs7, 140(sp) ; CHECK-NEXT: flw fs8, 144(sp) ; CHECK-NEXT: flw fs9, 148(sp) ; CHECK-NEXT: flw fs10, 152(sp) ; CHECK-NEXT: flw fs11, 156(sp) ; CHECK-NEXT: fmv.w.x fa5, a5 ; CHECK-NEXT: fmv.w.x fa6, a6 ; CHECK-NEXT: fmv.w.x fa7, a7 ; CHECK-NEXT: fsw fs11, 44(sp) ; CHECK-NEXT: fsw fs10, 40(sp) ; CHECK-NEXT: fsw fs9, 36(sp) ; CHECK-NEXT: fsw fs8, 32(sp) ; CHECK-NEXT: fsw fs7, 28(sp) ; CHECK-NEXT: fsw fs6, 24(sp) ; CHECK-NEXT: fsw fs5, 20(sp) ; CHECK-NEXT: fsw fs4, 16(sp) ; CHECK-NEXT: fsw fs3, 12(sp) ; CHECK-NEXT: fsw fs2, 8(sp) ; CHECK-NEXT: fsw fs1, 4(sp) ; CHECK-NEXT: fsw fs0, 0(sp) ; CHECK-NEXT: call callee@plt ; CHECK-NEXT: lw ra, 60(sp) # 4-byte Folded Reload ; CHECK-NEXT: addi sp, sp, 64 ; CHECK-NEXT: ret %C = call fastcc float @callee(<32 x float> %A) ret float %C }