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