llvm-project/llvm/test/CodeGen/CellSPU/dp_farith.ll

; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep dfa    %t1.s | count 2 &&
; RUN: grep dfs    %t1.s | count 2 &&
; RUN: grep dfm    %t1.s | count 6 &&
; RUN: grep dfma   %t1.s | count 2 &&
; RUN: grep dfms   %t1.s | count 2 &&
; RUN: grep dfnms  %t1.s | count 4
;
; This file includes double precision floating point arithmetic instructions

define double @fadd(double %arg1, double %arg2) {
	%A = add double %arg1, %arg2
	ret double %A
}

define <2 x double> @fadd_vec(<2 x double> %arg1, <2 x double> %arg2) {
	%A = add <2 x double> %arg1, %arg2
	ret <2 x double> %A
}

define double @fsub(double %arg1, double %arg2) {
	%A = sub double %arg1,  %arg2
	ret double %A
}

define <2 x double> @fsub_vec(<2 x double> %arg1, <2 x double> %arg2) {
	%A = sub <2 x double> %arg1,  %arg2
	ret <2 x double> %A
}

define double @fmul(double %arg1, double %arg2) {
	%A = mul double %arg1,  %arg2
	ret double %A
}

define <2 x double> @fmul_vec(<2 x double> %arg1, <2 x double> %arg2) {
	%A = mul <2 x double> %arg1,  %arg2
	ret <2 x double> %A
}

define double @fma(double %arg1, double %arg2, double %arg3) {
	%A = mul double %arg1,  %arg2
	%B = add double %A, %arg3
	ret double %B
}

define <2 x double> @fma_vec(<2 x double> %arg1, <2 x double> %arg2, <2 x double> %arg3) {
	%A = mul <2 x double> %arg1,  %arg2
	%B = add <2 x double> %A, %arg3
	ret <2 x double> %B
}

define double @fms(double %arg1, double %arg2, double %arg3) {
	%A = mul double %arg1,  %arg2
	%B = sub double %A, %arg3
	ret double %B
}

define <2 x double> @fms_vec(<2 x double> %arg1, <2 x double> %arg2, <2 x double> %arg3) {
	%A = mul <2 x double> %arg1,  %arg2
	%B = sub <2 x double> %A, %arg3
	ret <2 x double> %B
}

; - (a * b - c)
define double @d_fnms_1(double %arg1, double %arg2, double %arg3) {
	%A = mul double %arg1,  %arg2
	%B = sub double %A, %arg3
	%C = sub double -0.000000e+00, %B		; <double> [#uses=1]
	ret double %C
}

; Annother way of getting fnms
; - ( a * b ) + c => c - (a * b)
define double @d_fnms_2(double %arg1, double %arg2, double %arg3) {
	%A = mul double %arg1,  %arg2
	%B = sub double %arg3, %A
	ret double %B
}

; FNMS: - (a * b - c) => c - (a * b)
define <2 x double> @d_fnms_vec_1(<2 x double> %arg1, <2 x double> %arg2, <2 x double> %arg3) {
	%A = mul <2 x double> %arg1,  %arg2
	%B = sub <2 x double> %arg3, %A	;
	ret <2 x double> %B
}

; Another way to get fnms using a constant vector
; - ( a * b - c)
define <2 x double> @d_fnms_vec_2(<2 x double> %arg1, <2 x double> %arg2, <2 x double> %arg3) {
	%A = mul <2 x double> %arg1,  %arg2 	; <<2 x double>> [#uses=1]
	%B = sub <2 x double> %A, %arg3	; <<2 x double>> [#uses=1]
	%C = sub <2 x double> < double -0.00000e+00, double -0.00000e+00 >, %B
	ret <2 x double> %C
}

;define double @fdiv_1(double %arg1, double %arg2) {
;	%A = fdiv double %arg1,  %arg2 	; <double> [#uses=1]
;	ret double %A
;}