1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ 3; RUN: | FileCheck -check-prefix=RV32I %s 4; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ 5; RUN: | FileCheck -check-prefix=RV64I %s 6 7; Tests that the 'nest' parameter attribute causes the relevant parameter to be 8; passed in the right register. 9 10define ptr @nest_receiver(ptr nest %arg) nounwind { 11; RV32I-LABEL: nest_receiver: 12; RV32I: # %bb.0: 13; RV32I-NEXT: mv a0, t2 14; RV32I-NEXT: ret 15; 16; RV64I-LABEL: nest_receiver: 17; RV64I: # %bb.0: 18; RV64I-NEXT: mv a0, t2 19; RV64I-NEXT: ret 20 ret ptr %arg 21} 22 23define ptr @nest_caller(ptr %arg) nounwind { 24; RV32I-LABEL: nest_caller: 25; RV32I: # %bb.0: 26; RV32I-NEXT: addi sp, sp, -16 27; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill 28; RV32I-NEXT: mv t2, a0 29; RV32I-NEXT: call nest_receiver 30; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload 31; RV32I-NEXT: addi sp, sp, 16 32; RV32I-NEXT: ret 33; 34; RV64I-LABEL: nest_caller: 35; RV64I: # %bb.0: 36; RV64I-NEXT: addi sp, sp, -16 37; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill 38; RV64I-NEXT: mv t2, a0 39; RV64I-NEXT: call nest_receiver 40; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload 41; RV64I-NEXT: addi sp, sp, 16 42; RV64I-NEXT: ret 43 %result = call ptr @nest_receiver(ptr nest %arg) 44 ret ptr %result 45} 46