llvm/test/CodeGen/R600/fneg-fabs.f64.ll

; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s

; FIXME: Check something here. Currently it seems fabs + fneg aren't
; into 2 modifiers, although theoretically that should work.

; FUNC-LABEL: @fneg_fabs_fadd_f64
; SI: V_AND_B32_e32 v[[FABS:[0-9]+]], 0x7fffffff, {{v[0-9]+}}
; SI: V_ADD_F64 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, -v{{\[[0-9]+}}:[[FABS]]{{\]}}
define void @fneg_fabs_fadd_f64(double addrspace(1)* %out, double %x, double %y) {
  %fabs = call double @llvm.fabs.f64(double %x)
  %fsub = fsub double -0.000000e+00, %fabs
  %fadd = fadd double %y, %fsub
  store double %fadd, double addrspace(1)* %out, align 8
  ret void
}

define void @v_fneg_fabs_fadd_f64(double addrspace(1)* %out, double addrspace(1)* %xptr, double addrspace(1)* %yptr) {
  %x = load double addrspace(1)* %xptr, align 8
  %y = load double addrspace(1)* %xptr, align 8
  %fabs = call double @llvm.fabs.f64(double %x)
  %fsub = fsub double -0.000000e+00, %fabs
  %fadd = fadd double %y, %fsub
  store double %fadd, double addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: @fneg_fabs_fmul_f64
; SI: V_MUL_F64 {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, -|{{v\[[0-9]+:[0-9]+\]}}|
define void @fneg_fabs_fmul_f64(double addrspace(1)* %out, double %x, double %y) {
  %fabs = call double @llvm.fabs.f64(double %x)
  %fsub = fsub double -0.000000e+00, %fabs
  %fmul = fmul double %y, %fsub
  store double %fmul, double addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: @fneg_fabs_free_f64
define void @fneg_fabs_free_f64(double addrspace(1)* %out, i64 %in) {
  %bc = bitcast i64 %in to double
  %fabs = call double @llvm.fabs.f64(double %bc)
  %fsub = fsub double -0.000000e+00, %fabs
  store double %fsub, double addrspace(1)* %out
  ret void
}

; FUNC-LABEL: @fneg_fabs_fn_free_f64
; SI: V_OR_B32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}}
define void @fneg_fabs_fn_free_f64(double addrspace(1)* %out, i64 %in) {
  %bc = bitcast i64 %in to double
  %fabs = call double @fabs(double %bc)
  %fsub = fsub double -0.000000e+00, %fabs
  store double %fsub, double addrspace(1)* %out
  ret void
}

; FUNC-LABEL: @fneg_fabs_f64
define void @fneg_fabs_f64(double addrspace(1)* %out, double %in) {
  %fabs = call double @llvm.fabs.f64(double %in)
  %fsub = fsub double -0.000000e+00, %fabs
  store double %fsub, double addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: @fneg_fabs_v2f64
; SI: V_OR_B32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}}
; SI: V_OR_B32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}}
define void @fneg_fabs_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %in) {
  %fabs = call <2 x double> @llvm.fabs.v2f64(<2 x double> %in)
  %fsub = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, %fabs
  store <2 x double> %fsub, <2 x double> addrspace(1)* %out
  ret void
}

; FUNC-LABEL: @fneg_fabs_v4f64
; SI: V_OR_B32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}}
; SI: V_OR_B32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}}
; SI: V_OR_B32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}}
; SI: V_OR_B32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}}
define void @fneg_fabs_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %in) {
  %fabs = call <4 x double> @llvm.fabs.v4f64(<4 x double> %in)
  %fsub = fsub <4 x double> <double -0.000000e+00, double -0.000000e+00, double -0.000000e+00, double -0.000000e+00>, %fabs
  store <4 x double> %fsub, <4 x double> addrspace(1)* %out
  ret void
}

declare double @fabs(double) readnone
declare double @llvm.fabs.f64(double) readnone
declare <2 x double> @llvm.fabs.v2f64(<2 x double>) readnone
declare <4 x double> @llvm.fabs.v4f64(<4 x double>) readnone