1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s | FileCheck %s 3 4; Negative test 5define void @single_fdiv(double %a0, double %a1, ptr %res) { 6; CHECK-LABEL: single_fdiv: 7; CHECK: # %bb.0: # %entry 8; CHECK-NEXT: fdiv.d fa5, fa1, fa0 9; CHECK-NEXT: fsd fa5, 0(a0) 10; CHECK-NEXT: ret 11entry: 12 %div = fdiv arcp double %a1, %a0 13 store double %div, ptr %res 14 ret void 15} 16 17define void @two_fdivs(double %a0, double %a1, double %a2, ptr %res) { 18; CHECK-LABEL: two_fdivs: 19; CHECK: # %bb.0: # %entry 20; CHECK-NEXT: lui a1, %hi(.LCPI1_0) 21; CHECK-NEXT: fld fa5, %lo(.LCPI1_0)(a1) 22; CHECK-NEXT: fdiv.d fa5, fa5, fa0 23; CHECK-NEXT: fmul.d fa4, fa1, fa5 24; CHECK-NEXT: fmul.d fa5, fa2, fa5 25; CHECK-NEXT: fsd fa4, 0(a0) 26; CHECK-NEXT: fsd fa5, 8(a0) 27; CHECK-NEXT: ret 28entry: 29 %div = fdiv arcp double %a1, %a0 30 %div1 = fdiv arcp double %a2, %a0 31 store double %div, ptr %res 32 %arrayidx2 = getelementptr inbounds double, ptr %res, i64 1 33 store double %div1, ptr %arrayidx2 34 ret void 35} 36 37; Negative test 38define void @no_arcp(double %a0, double %a1, double %a2, ptr %res) { 39; CHECK-LABEL: no_arcp: 40; CHECK: # %bb.0: # %entry 41; CHECK-NEXT: fdiv.d fa5, fa1, fa0 42; CHECK-NEXT: fdiv.d fa4, fa2, fa0 43; CHECK-NEXT: fsd fa5, 0(a0) 44; CHECK-NEXT: fsd fa4, 8(a0) 45; CHECK-NEXT: ret 46entry: 47 %div = fdiv arcp double %a1, %a0 48 %div1 = fdiv double %a2, %a0 49 store double %div, ptr %res 50 %arrayidx2 = getelementptr inbounds double, ptr %res, i64 1 51 store double %div1, ptr %arrayidx2 52 ret void 53} 54