TheRock/compiler/amd-llvm/llvm/test/CodeGen/Thumb2/float-intrinsics-double.ll

; RUN: llc < %s -mtriple=thumbv7-none-eabi   -mcpu=cortex-m3                    | FileCheck %s -check-prefix=CHECK -check-prefix=SOFT -check-prefix=NONE
; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-m4                    | FileCheck %s -check-prefix=CHECK -check-prefix=SOFT -check-prefix=SP
; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-m7                    | FileCheck %s -check-prefix=CHECK -check-prefix=HARD -check-prefix=DP -check-prefix=VFP  -check-prefix=FP-ARMv8
; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-m7 -mattr=-fp64 | FileCheck %s -check-prefix=CHECK -check-prefix=SOFT -check-prefix=SP
; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-a7                    | FileCheck %s -check-prefix=CHECK -check-prefix=HARD -check-prefix=DP -check-prefix=NEON -check-prefix=VFP4
; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-a57                   | FileCheck %s -check-prefix=CHECK -check-prefix=HARD -check-prefix=DP -check-prefix=NEON -check-prefix=FP-ARMv8

declare double     @llvm.sqrt.f64(double %Val)
define double @sqrt_d(double %a) {
; CHECK-LABEL: sqrt_d:
; SOFT: {{(bl|b)}} sqrt
; HARD: vsqrt.f64 d0, d0
  %1 = call double @llvm.sqrt.f64(double %a)
  ret double %1
}

declare double     @llvm.powi.f64.i32(double %Val, i32 %power)
define double @powi_d(double %a, i32 %b) {
; CHECK-LABEL: powi_d:
; SOFT: {{(bl|b)}} __powidf2
; HARD: b __powidf2
  %1 = call double @llvm.powi.f64.i32(double %a, i32 %b)
  ret double %1
}

declare double     @llvm.sin.f64(double %Val)
define double @sin_d(double %a) {
; CHECK-LABEL: sin_d:
; SOFT: {{(bl|b)}} sin
; HARD: b sin
  %1 = call double @llvm.sin.f64(double %a)
  ret double %1
}

declare double     @llvm.cos.f64(double %Val)
define double @cos_d(double %a) {
; CHECK-LABEL: cos_d:
; SOFT: {{(bl|b)}} cos
; HARD: b cos
  %1 = call double @llvm.cos.f64(double %a)
  ret double %1
}

declare double     @llvm.tan.f64(double %Val)
define double @tan_d(double %a) {
; CHECK-LABEL: tan_d:
; SOFT: {{(bl|b)}} tan
; HARD: b tan
  %1 = call double @llvm.tan.f64(double %a)
  ret double %1
}

declare double     @llvm.pow.f64(double %Val, double %power)
define double @pow_d(double %a, double %b) {
; CHECK-LABEL: pow_d:
; SOFT: {{(bl|b)}} pow
; HARD: b pow
  %1 = call double @llvm.pow.f64(double %a, double %b)
  ret double %1
}

declare double     @llvm.exp.f64(double %Val)
define double @exp_d(double %a) {
; CHECK-LABEL: exp_d:
; SOFT: {{(bl|b)}} exp
; HARD: b exp
  %1 = call double @llvm.exp.f64(double %a)
  ret double %1
}

declare double     @llvm.exp2.f64(double %Val)
define double @exp2_d(double %a) {
; CHECK-LABEL: exp2_d:
; SOFT: {{(bl|b)}} exp2
; HARD: b exp2
  %1 = call double @llvm.exp2.f64(double %a)
  ret double %1
}

declare double     @llvm.log.f64(double %Val)
define double @log_d(double %a) {
; CHECK-LABEL: log_d:
; SOFT: {{(bl|b)}} log
; HARD: b log
  %1 = call double @llvm.log.f64(double %a)
  ret double %1
}

declare double     @llvm.log10.f64(double %Val)
define double @log10_d(double %a) {
; CHECK-LABEL: log10_d:
; SOFT: {{(bl|b)}} log10
; HARD: b log10
  %1 = call double @llvm.log10.f64(double %a)
  ret double %1
}

declare double     @llvm.log2.f64(double %Val)
define double @log2_d(double %a) {
; CHECK-LABEL: log2_d:
; SOFT: {{(bl|b)}} log2
; HARD: b log2
  %1 = call double @llvm.log2.f64(double %a)
  ret double %1
}

declare double     @llvm.fma.f64(double %a, double %b, double %c)
define double @fma_d(double %a, double %b, double %c) {
; CHECK-LABEL: fma_d:
; SOFT: {{(bl|b)}} fma
; HARD: vfma.f64
  %1 = call double @llvm.fma.f64(double %a, double %b, double %c)
  ret double %1
}

; FIXME: the FPv4-SP version is less efficient than the no-FPU version
declare double     @llvm.fabs.f64(double %Val)
define double @abs_d(double %a) {
; CHECK-LABEL: abs_d:
; NONE: bic r1, r1, #-2147483648
; SP: vldr [[D1:d[0-9]+]], .LCPI{{.*}}
; SP-DAG: vmov [[R2:r[0-9]+]], [[R3:r[0-9]+]], [[D1]]
; SP-DAG: vmov [[R0:r[0-9]+]], [[R1:r[0-9]+]], [[D0:d[0-9]+]]
; SP: lsrs [[R4:r[0-9]+]], [[R3]], #31
; SP: bfi [[R5:r[0-9]+]], [[R4]], #31, #1
; SP: vmov [[D0]], [[R0]], [[R5]]
; DP: vabs.f64 d0, d0
  %1 = call double @llvm.fabs.f64(double %a)
  ret double %1
}

declare double     @llvm.copysign.f64(double  %Mag, double  %Sgn)
define double @copysign_d(double %a, double %b) {
; CHECK-LABEL: copysign_d:
; SOFT: lsrs [[REG:r[0-9]+]], {{r[0-9]+}}, #31
; SOFT: bfi {{r[0-9]+}}, [[REG]], #31, #1
; VFP: lsrs [[REG:r[0-9]+]], {{r[0-9]+}}, #31
; VFP: bfi {{r[0-9]+}}, [[REG]], #31, #1
; NEON:         vmov.i32 d16, #0x80000000
; NEON-NEXT:    vshl.i64 d16, d16, #32
; NEON-NEXT:    vbit d0, d1, d16
; NEON-NEXT:    bx lr
  %1 = call double @llvm.copysign.f64(double %a, double %b)
  ret double %1
}

declare double     @llvm.floor.f64(double %Val)
define double @floor_d(double %a) {
; CHECK-LABEL: floor_d:
; SOFT: {{(bl|b)}} floor
; VFP4: b floor
; FP-ARMv8: vrintm.f64
  %1 = call double @llvm.floor.f64(double %a)
  ret double %1
}

declare double     @llvm.ceil.f64(double %Val)
define double @ceil_d(double %a) {
; CHECK-LABEL: ceil_d:
; SOFT: {{(bl|b)}} ceil
; VFP4: b ceil
; FP-ARMv8: vrintp.f64
  %1 = call double @llvm.ceil.f64(double %a)
  ret double %1
}

declare double     @llvm.trunc.f64(double %Val)
define double @trunc_d(double %a) {
; CHECK-LABEL: trunc_d:
; SOFT: {{(bl|b)}} trunc
; FFP4: b trunc
; FP-ARMv8: vrintz.f64
  %1 = call double @llvm.trunc.f64(double %a)
  ret double %1
}

declare double     @llvm.rint.f64(double %Val)
define double @rint_d(double %a) {
; CHECK-LABEL: rint_d:
; SOFT: {{(bl|b)}} rint
; VFP4: b rint
; FP-ARMv8: vrintx.f64
  %1 = call double @llvm.rint.f64(double %a)
  ret double %1
}

declare double     @llvm.nearbyint.f64(double %Val)
define double @nearbyint_d(double %a) {
; CHECK-LABEL: nearbyint_d:
; SOFT: {{(bl|b)}} nearbyint
; VFP4: b nearbyint
; FP-ARMv8: vrintr.f64
  %1 = call double @llvm.nearbyint.f64(double %a)
  ret double %1
}

declare double     @llvm.round.f64(double %Val)
define double @round_d(double %a) {
; CHECK-LABEL: round_d:
; SOFT: {{(bl|b)}} round
; VFP4: b round
; FP-ARMv8: vrinta.f64
  %1 = call double @llvm.round.f64(double %a)
  ret double %1
}

declare double     @llvm.roundeven.f64(double %Val)
define double @roundeven_d(double %a) {
; CHECK-LABEL: roundeven_d:
; SOFT: {{(bl|b)}} roundeven
; VFP4: b roundeven
; FP-ARMv8: vrintn.f64
  %1 = call double @llvm.roundeven.f64(double %a)
  ret double %1
}

declare double     @llvm.fmuladd.f64(double %a, double %b, double %c)
define double @fmuladd_d(double %a, double %b, double %c) {
; CHECK-LABEL: fmuladd_d:
; SOFT: bl __aeabi_dmul
; SOFT: bl __aeabi_dadd
; VFP4: vmul.f64
; VFP4: vadd.f64
; FP-ARMv8: vfma.f64
  %1 = call double @llvm.fmuladd.f64(double %a, double %b, double %c)
  ret double %1
}