82 lines
2.7 KiB
LLVM
82 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
|
|
; RUN: | FileCheck %s -check-prefix=RV32IF
|
|
|
|
; Exercises the ILP32 calling convention code in the case that f32 is a legal
|
|
; type. As well as testing that lowering is correct, these tests also aim to
|
|
; check that floating point load/store or integer load/store is chosen
|
|
; optimally when floats are passed on the stack.
|
|
|
|
define float @onstack_f32_noop(i64 %a, i64 %b, i64 %c, i64 %d, float %e, float %f) nounwind {
|
|
; RV32IF-LABEL: onstack_f32_noop:
|
|
; RV32IF: # %bb.0:
|
|
; RV32IF-NEXT: lw a0, 4(sp)
|
|
; RV32IF-NEXT: ret
|
|
ret float %f
|
|
}
|
|
|
|
define float @onstack_f32_fadd(i64 %a, i64 %b, i64 %c, i64 %d, float %e, float %f) nounwind {
|
|
; RV32IF-LABEL: onstack_f32_fadd:
|
|
; RV32IF: # %bb.0:
|
|
; RV32IF-NEXT: flw ft0, 4(sp)
|
|
; RV32IF-NEXT: flw ft1, 0(sp)
|
|
; RV32IF-NEXT: fadd.s ft0, ft1, ft0
|
|
; RV32IF-NEXT: fmv.x.w a0, ft0
|
|
; RV32IF-NEXT: ret
|
|
%1 = fadd float %e, %f
|
|
ret float %1
|
|
}
|
|
|
|
define float @caller_onstack_f32_noop(float %a) nounwind {
|
|
; RV32IF-LABEL: caller_onstack_f32_noop:
|
|
; RV32IF: # %bb.0:
|
|
; RV32IF-NEXT: addi sp, sp, -16
|
|
; RV32IF-NEXT: sw ra, 12(sp)
|
|
; RV32IF-NEXT: sw a0, 4(sp)
|
|
; RV32IF-NEXT: lui a0, 264704
|
|
; RV32IF-NEXT: sw a0, 0(sp)
|
|
; RV32IF-NEXT: addi a0, zero, 1
|
|
; RV32IF-NEXT: addi a2, zero, 2
|
|
; RV32IF-NEXT: addi a4, zero, 3
|
|
; RV32IF-NEXT: addi a6, zero, 4
|
|
; RV32IF-NEXT: mv a1, zero
|
|
; RV32IF-NEXT: mv a3, zero
|
|
; RV32IF-NEXT: mv a5, zero
|
|
; RV32IF-NEXT: mv a7, zero
|
|
; RV32IF-NEXT: call onstack_f32_noop
|
|
; RV32IF-NEXT: lw ra, 12(sp)
|
|
; RV32IF-NEXT: addi sp, sp, 16
|
|
; RV32IF-NEXT: ret
|
|
%1 = call float @onstack_f32_noop(i64 1, i64 2, i64 3, i64 4, float 5.0, float %a)
|
|
ret float %1
|
|
}
|
|
|
|
define float @caller_onstack_f32_fadd(float %a, float %b) nounwind {
|
|
; RV32IF-LABEL: caller_onstack_f32_fadd:
|
|
; RV32IF: # %bb.0:
|
|
; RV32IF-NEXT: addi sp, sp, -16
|
|
; RV32IF-NEXT: sw ra, 12(sp)
|
|
; RV32IF-NEXT: fmv.w.x ft0, a0
|
|
; RV32IF-NEXT: fmv.w.x ft1, a1
|
|
; RV32IF-NEXT: fsub.s ft2, ft1, ft0
|
|
; RV32IF-NEXT: fsw ft2, 4(sp)
|
|
; RV32IF-NEXT: fadd.s ft0, ft0, ft1
|
|
; RV32IF-NEXT: fsw ft0, 0(sp)
|
|
; RV32IF-NEXT: addi a0, zero, 1
|
|
; RV32IF-NEXT: addi a2, zero, 2
|
|
; RV32IF-NEXT: addi a4, zero, 3
|
|
; RV32IF-NEXT: addi a6, zero, 4
|
|
; RV32IF-NEXT: mv a1, zero
|
|
; RV32IF-NEXT: mv a3, zero
|
|
; RV32IF-NEXT: mv a5, zero
|
|
; RV32IF-NEXT: mv a7, zero
|
|
; RV32IF-NEXT: call onstack_f32_noop
|
|
; RV32IF-NEXT: lw ra, 12(sp)
|
|
; RV32IF-NEXT: addi sp, sp, 16
|
|
; RV32IF-NEXT: ret
|
|
%1 = fadd float %a, %b
|
|
%2 = fsub float %b, %a
|
|
%3 = call float @onstack_f32_noop(i64 1, i64 2, i64 3, i64 4, float %1, float %2)
|
|
ret float %3
|
|
}
|