llvm/test/CodeGen/RISCV/sincos-expansion.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -mtriple=riscv64-linux-gnu -mattr=+d -verify-machineinstrs -o - %s | FileCheck %s

; Test adapted from AArch64. Demonstrates the cases where sin and cos libcalls
; will be combined to a sincos libcall.

define float @test_sincos_f32(float %f) nounwind {
; CHECK-LABEL: test_sincos_f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -32
; CHECK-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fsd fs0, 16(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fsd fs1, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fmv.s fs0, fa0
; CHECK-NEXT:    call sinf
; CHECK-NEXT:    fmv.s fs1, fa0
; CHECK-NEXT:    fmv.s fa0, fs0
; CHECK-NEXT:    call cosf
; CHECK-NEXT:    fadd.s fa0, fs1, fa0
; CHECK-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
; CHECK-NEXT:    fld fs0, 16(sp) # 8-byte Folded Reload
; CHECK-NEXT:    fld fs1, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 32
; CHECK-NEXT:    ret
  %sin = call float @sinf(float %f) readnone
  %cos = call float @cosf(float %f) readnone
  %val = fadd float %sin, %cos
  ret float %val
}

define float @test_sincos_f32_errno(float %f) nounwind {
; CHECK-LABEL: test_sincos_f32_errno:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -32
; CHECK-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fsd fs0, 16(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fsd fs1, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fmv.s fs0, fa0
; CHECK-NEXT:    call sinf
; CHECK-NEXT:    fmv.s fs1, fa0
; CHECK-NEXT:    fmv.s fa0, fs0
; CHECK-NEXT:    call cosf
; CHECK-NEXT:    fadd.s fa0, fs1, fa0
; CHECK-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
; CHECK-NEXT:    fld fs0, 16(sp) # 8-byte Folded Reload
; CHECK-NEXT:    fld fs1, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 32
; CHECK-NEXT:    ret
  %sin = call float @sinf(float %f)
  %cos = call float @cosf(float %f)
  %val = fadd float %sin, %cos
  ret float %val
}

define double @test_sincos_f64(double %f) nounwind {
; CHECK-LABEL: test_sincos_f64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -32
; CHECK-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fsd fs0, 16(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fsd fs1, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fmv.d fs0, fa0
; CHECK-NEXT:    call sin
; CHECK-NEXT:    fmv.d fs1, fa0
; CHECK-NEXT:    fmv.d fa0, fs0
; CHECK-NEXT:    call cos
; CHECK-NEXT:    fadd.d fa0, fs1, fa0
; CHECK-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
; CHECK-NEXT:    fld fs0, 16(sp) # 8-byte Folded Reload
; CHECK-NEXT:    fld fs1, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 32
; CHECK-NEXT:    ret
  %sin = call double @sin(double %f) readnone
  %cos = call double @cos(double %f) readnone
  %val = fadd double %sin, %cos
  ret double %val
}

define double @test_sincos_f64_errno(double %f) nounwind {
; CHECK-LABEL: test_sincos_f64_errno:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -32
; CHECK-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fsd fs0, 16(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fsd fs1, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    fmv.d fs0, fa0
; CHECK-NEXT:    call sin
; CHECK-NEXT:    fmv.d fs1, fa0
; CHECK-NEXT:    fmv.d fa0, fs0
; CHECK-NEXT:    call cos
; CHECK-NEXT:    fadd.d fa0, fs1, fa0
; CHECK-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
; CHECK-NEXT:    fld fs0, 16(sp) # 8-byte Folded Reload
; CHECK-NEXT:    fld fs1, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 32
; CHECK-NEXT:    ret
  %sin = call double @sin(double %f)
  %cos = call double @cos(double %f)
  %val = fadd double %sin, %cos
  ret double %val
}

define fp128 @test_sincos_f128(fp128 %f) nounwind {
; CHECK-LABEL: test_sincos_f128:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -48
; CHECK-NEXT:    sd ra, 40(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s0, 32(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s1, 24(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s2, 16(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s3, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    mv s0, a1
; CHECK-NEXT:    mv s1, a0
; CHECK-NEXT:    call sinl
; CHECK-NEXT:    mv s2, a0
; CHECK-NEXT:    mv s3, a1
; CHECK-NEXT:    mv a0, s1
; CHECK-NEXT:    mv a1, s0
; CHECK-NEXT:    call cosl
; CHECK-NEXT:    mv a2, a0
; CHECK-NEXT:    mv a3, a1
; CHECK-NEXT:    mv a0, s2
; CHECK-NEXT:    mv a1, s3
; CHECK-NEXT:    call __addtf3
; CHECK-NEXT:    ld ra, 40(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s0, 32(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s1, 24(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s2, 16(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s3, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 48
; CHECK-NEXT:    ret
  %sin = call fp128 @sinl(fp128 %f) readnone
  %cos = call fp128 @cosl(fp128 %f) readnone
  %val = fadd fp128 %sin, %cos
  ret fp128 %val
}

define fp128 @test_sincos_f128_errno(fp128 %f) nounwind {
; CHECK-LABEL: test_sincos_f128_errno:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -48
; CHECK-NEXT:    sd ra, 40(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s0, 32(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s1, 24(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s2, 16(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s3, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    mv s0, a1
; CHECK-NEXT:    mv s1, a0
; CHECK-NEXT:    call sinl
; CHECK-NEXT:    mv s2, a0
; CHECK-NEXT:    mv s3, a1
; CHECK-NEXT:    mv a0, s1
; CHECK-NEXT:    mv a1, s0
; CHECK-NEXT:    call cosl
; CHECK-NEXT:    mv a2, a0
; CHECK-NEXT:    mv a3, a1
; CHECK-NEXT:    mv a0, s2
; CHECK-NEXT:    mv a1, s3
; CHECK-NEXT:    call __addtf3
; CHECK-NEXT:    ld ra, 40(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s0, 32(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s1, 24(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s2, 16(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s3, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 48
; CHECK-NEXT:    ret
  %sin = call fp128 @sinl(fp128 %f)
  %cos = call fp128 @cosl(fp128 %f)
  %val = fadd fp128 %sin, %cos
  ret fp128 %val
}

declare float @sinf(float)
declare double @sin(double)
declare fp128 @sinl(fp128)
declare float @cosf(float)
declare double @cos(double)
declare fp128 @cosl(fp128)