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; 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: ftintrz.l.d $fa0, $fa1
; CHECK-NEXT: movfr2gr.d $a2, $fa0
; CHECK-NEXT: add.d $a0, $a0, $a1
; CHECK-NEXT: add.d $a0, $a0, $a2
; 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: movgr2fr.w $fa0, $zero
; CHECK-NEXT: movgr2fr.d $fa1, $zero
; CHECK-NEXT: ori $a0, $zero, 1
; CHECK-NEXT: pcaddu18i $ra, %call36(callee_float_in_fpr)
; CHECK-NEXT: jirl $ra, $ra, 0
; 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: movgr2fr.d $fa0, $a0
; CHECK-NEXT: ftintrz.l.d $fa1, $fa7
; CHECK-NEXT: movfr2gr.d $a0, $fa1
; CHECK-NEXT: ftintrz.l.d $fa0, $fa0
; CHECK-NEXT: movfr2gr.d $a1, $fa0
; CHECK-NEXT: add.d $a0, $a0, $a1
; 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: ori $a0, $zero, 0
; CHECK-NEXT: lu32i.d $a0, 131072
; CHECK-NEXT: lu52i.d $a0, $a0, 1026
; CHECK-NEXT: vldi $vr0, -912
; CHECK-NEXT: vldi $vr1, -1024
; CHECK-NEXT: vldi $vr2, -1016
; CHECK-NEXT: vldi $vr3, -1008
; CHECK-NEXT: vldi $vr4, -1004
; CHECK-NEXT: vldi $vr5, -1000
; CHECK-NEXT: vldi $vr6, -996
; CHECK-NEXT: vldi $vr7, -992
; CHECK-NEXT: pcaddu18i $ra, %call36(callee_double_in_gpr_exhausted_fprs)
; CHECK-NEXT: jirl $ra, $ra, 0
; 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: vldi $vr0, -912
; 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: pcaddu18i $ra, %call36(callee_double_ret)
; CHECK-NEXT: jirl $ra, $ra, 0
; 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
}
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