; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc --mtriple=loongarch64 --mattr=+d --target-abi=lp64d < %s \ ; RUN: | FileCheck %s ;; This file contains specific tests for the lp64d ABI. ;; Check pass floating-point arguments whith FPRs. define i64 @callee_float_in_fpr(i64 %a, float %b, double %c) nounwind { ; CHECK-LABEL: callee_float_in_fpr: ; CHECK: # %bb.0: ; CHECK-NEXT: ftintrz.l.s $fa0, $fa0 ; CHECK-NEXT: movfr2gr.d $a1, $fa0 ; CHECK-NEXT: add.d $a0, $a0, $a1 ; CHECK-NEXT: ftintrz.l.d $fa0, $fa1 ; CHECK-NEXT: movfr2gr.d $a1, $fa0 ; CHECK-NEXT: add.d $a0, $a0, $a1 ; CHECK-NEXT: ret %b_fptosi = fptosi float %b to i64 %c_fptosi = fptosi double %c to i64 %1 = add i64 %a, %b_fptosi %2 = add i64 %1, %c_fptosi ret i64 %2 } define i64 @caller_float_in_fpr() nounwind { ; CHECK-LABEL: caller_float_in_fpr: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $sp, $sp, -16 ; CHECK-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill ; CHECK-NEXT: ori $a0, $zero, 1 ; CHECK-NEXT: movgr2fr.w $fa0, $zero ; CHECK-NEXT: movgr2fr.d $fa1, $zero ; CHECK-NEXT: bl %plt(callee_float_in_fpr) ; CHECK-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload ; CHECK-NEXT: addi.d $sp, $sp, 16 ; CHECK-NEXT: ret %1 = call i64 @callee_float_in_fpr(i64 1, float 0.0, double 0.0) ret i64 %1 } ;; Check that the GPR is used once the FPRs are exhausted. ;; Must keep define on a single line due to an update_llc_test_checks.py limitation. define i64 @callee_double_in_gpr_exhausted_fprs(double %a, double %b, double %c, double %d, double %e, double %f, double %g, double %h, double %i) nounwind { ; CHECK-LABEL: callee_double_in_gpr_exhausted_fprs: ; CHECK: # %bb.0: ; CHECK-NEXT: ftintrz.l.d $fa0, $fa7 ; CHECK-NEXT: movfr2gr.d $a1, $fa0 ; CHECK-NEXT: movgr2fr.d $fa0, $a0 ; CHECK-NEXT: ftintrz.l.d $fa0, $fa0 ; CHECK-NEXT: movfr2gr.d $a0, $fa0 ; CHECK-NEXT: add.d $a0, $a1, $a0 ; CHECK-NEXT: ret %h_fptosi = fptosi double %h to i64 %i_fptosi = fptosi double %i to i64 %1 = add i64 %h_fptosi, %i_fptosi ret i64 %1 } define i64 @caller_double_in_gpr_exhausted_fprs() nounwind { ; CHECK-LABEL: caller_double_in_gpr_exhausted_fprs: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $sp, $sp, -16 ; CHECK-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill ; CHECK-NEXT: pcalau12i $a0, %pc_hi20(.LCPI3_0) ; CHECK-NEXT: addi.d $a0, $a0, %pc_lo12(.LCPI3_0) ; CHECK-NEXT: fld.d $fa1, $a0, 0 ; CHECK-NEXT: pcalau12i $a0, %pc_hi20(.LCPI3_1) ; CHECK-NEXT: addi.d $a0, $a0, %pc_lo12(.LCPI3_1) ; CHECK-NEXT: fld.d $fa2, $a0, 0 ; CHECK-NEXT: pcalau12i $a0, %pc_hi20(.LCPI3_2) ; CHECK-NEXT: addi.d $a0, $a0, %pc_lo12(.LCPI3_2) ; CHECK-NEXT: fld.d $fa3, $a0, 0 ; CHECK-NEXT: pcalau12i $a0, %pc_hi20(.LCPI3_3) ; CHECK-NEXT: addi.d $a0, $a0, %pc_lo12(.LCPI3_3) ; CHECK-NEXT: fld.d $fa4, $a0, 0 ; CHECK-NEXT: pcalau12i $a0, %pc_hi20(.LCPI3_4) ; CHECK-NEXT: addi.d $a0, $a0, %pc_lo12(.LCPI3_4) ; CHECK-NEXT: fld.d $fa5, $a0, 0 ; CHECK-NEXT: pcalau12i $a0, %pc_hi20(.LCPI3_5) ; CHECK-NEXT: addi.d $a0, $a0, %pc_lo12(.LCPI3_5) ; CHECK-NEXT: fld.d $fa6, $a0, 0 ; CHECK-NEXT: pcalau12i $a0, %pc_hi20(.LCPI3_6) ; CHECK-NEXT: addi.d $a0, $a0, %pc_lo12(.LCPI3_6) ; CHECK-NEXT: fld.d $fa7, $a0, 0 ; CHECK-NEXT: addi.d $a0, $zero, 1 ; CHECK-NEXT: movgr2fr.d $fa0, $a0 ; CHECK-NEXT: ffint.d.l $fa0, $fa0 ; CHECK-NEXT: ori $a0, $zero, 0 ; CHECK-NEXT: lu32i.d $a0, 131072 ; CHECK-NEXT: lu52i.d $a0, $a0, 1026 ; CHECK-NEXT: bl %plt(callee_double_in_gpr_exhausted_fprs) ; CHECK-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload ; CHECK-NEXT: addi.d $sp, $sp, 16 ; CHECK-NEXT: ret %1 = call i64 @callee_double_in_gpr_exhausted_fprs( double 1.0, double 2.0, double 3.0, double 4.0, double 5.0, double 6.0, double 7.0, double 8.0, double 9.0) ret i64 %1 } ;; Check returning doubles. define double @callee_double_ret() nounwind { ; CHECK-LABEL: callee_double_ret: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $a0, $zero, 1 ; CHECK-NEXT: movgr2fr.d $fa0, $a0 ; CHECK-NEXT: ffint.d.l $fa0, $fa0 ; CHECK-NEXT: ret ret double 1.0 } define i64 @caller_double_ret() nounwind { ; CHECK-LABEL: caller_double_ret: ; CHECK: # %bb.0: ; CHECK-NEXT: addi.d $sp, $sp, -16 ; CHECK-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill ; CHECK-NEXT: bl %plt(callee_double_ret) ; CHECK-NEXT: movfr2gr.d $a0, $fa0 ; CHECK-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload ; CHECK-NEXT: addi.d $sp, $sp, 16 ; CHECK-NEXT: ret %1 = call double @callee_double_ret() %2 = bitcast double %1 to i64 ret i64 %2 }