83 lines
2.9 KiB
LLVM
83 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV32IF %s
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; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV64IF %s
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; This file provides a simple sanity check of float and double operations for
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; RV32I and RV64I. This is primarily intended to ensure that custom
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; legalisation or DAG combines aren't incorrectly triggered when the F
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; extension isn't enabled.
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; TODO: f32 parameters on RV64 with a soft-float ABI are anyext.
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define float @float_test(float %a, float %b) nounwind {
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; RV32IF-LABEL: float_test:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: addi sp, sp, -16
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; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32IF-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
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; RV32IF-NEXT: mv s0, a1
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; RV32IF-NEXT: call __addsf3@plt
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; RV32IF-NEXT: mv a1, s0
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; RV32IF-NEXT: call __divsf3@plt
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; RV32IF-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32IF-NEXT: addi sp, sp, 16
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; RV32IF-NEXT: ret
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;
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; RV64IF-LABEL: float_test:
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; RV64IF: # %bb.0:
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; RV64IF-NEXT: addi sp, sp, -16
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; RV64IF-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64IF-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
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; RV64IF-NEXT: mv s0, a1
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; RV64IF-NEXT: call __addsf3@plt
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; RV64IF-NEXT: mv a1, s0
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; RV64IF-NEXT: call __divsf3@plt
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; RV64IF-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
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; RV64IF-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64IF-NEXT: addi sp, sp, 16
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; RV64IF-NEXT: ret
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%1 = fadd float %a, %b
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%2 = fdiv float %1, %b
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ret float %2
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}
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define double @double_test(double %a, double %b) nounwind {
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; RV32IF-LABEL: double_test:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: addi sp, sp, -16
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; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32IF-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
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; RV32IF-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
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; RV32IF-NEXT: mv s0, a3
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; RV32IF-NEXT: mv s1, a2
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; RV32IF-NEXT: call __adddf3@plt
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; RV32IF-NEXT: mv a2, s1
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; RV32IF-NEXT: mv a3, s0
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; RV32IF-NEXT: call __divdf3@plt
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; RV32IF-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
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; RV32IF-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32IF-NEXT: addi sp, sp, 16
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; RV32IF-NEXT: ret
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;
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; RV64IF-LABEL: double_test:
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; RV64IF: # %bb.0:
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; RV64IF-NEXT: addi sp, sp, -16
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; RV64IF-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64IF-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
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; RV64IF-NEXT: mv s0, a1
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; RV64IF-NEXT: call __adddf3@plt
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; RV64IF-NEXT: mv a1, s0
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; RV64IF-NEXT: call __divdf3@plt
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; RV64IF-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
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; RV64IF-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64IF-NEXT: addi sp, sp, 16
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; RV64IF-NEXT: ret
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%1 = fadd double %a, %b
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%2 = fdiv double %1, %b
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ret double %2
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}
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