nuudlman/llvm: llvm/test/Assembler/fast-math-flags.ll

; RUN: llvm-as < %s | llvm-dis | FileCheck -strict-whitespace %s
; RUN: opt -S < %s | FileCheck -strict-whitespace %s
; RUN: verify-uselistorder %s

@addr   = external global i64
@select = external global i1
@vec    = external global <3 x float>
@arr    = external global [3 x float]

declare float @foo(float)

define float @none(float %x, float %y) {
entry:
; CHECK:  %vec = load <3 x float>, <3 x float>* @vec
  %vec    = load <3 x float>, <3 x float>* @vec
; CHECK:  %select = load i1, i1* @select
  %select = load i1, i1* @select
; CHECK:  %arr = load [3 x float], [3 x float]* @arr
  %arr    = load [3 x float], [3 x float]* @arr

; CHECK:  %a = fadd float %x, %y
  %a = fadd float %x, %y
; CHECK:  %a_vec = fadd <3 x float> %vec, %vec
  %a_vec = fadd <3 x float> %vec, %vec
; CHECK:  %b = fsub float %x, %y
  %b = fsub float %x, %y
; CHECK:  %b_vec = fsub <3 x float> %vec, %vec
  %b_vec = fsub <3 x float> %vec, %vec
; CHECK:  %c = fmul float %x, %y
  %c = fmul float %x, %y
; CHECK:  %c_vec = fmul <3 x float> %vec, %vec
  %c_vec = fmul <3 x float> %vec, %vec
; CHECK:  %d = fdiv float %x, %y
  %d = fdiv float %x, %y
; CHECK:  %d_vec = fdiv <3 x float> %vec, %vec
  %d_vec = fdiv <3 x float> %vec, %vec
; CHECK:  %e = frem float %x, %y
  %e = frem float %x, %y
; CHECK:  %e_vec = frem <3 x float> %vec, %vec
  %e_vec = frem <3 x float> %vec, %vec
; CHECK:  %f = fneg float %x
  %f = fneg float %x
; CHECK:  %f_vec = fneg <3 x float> %vec
  %f_vec = fneg <3 x float> %vec
; CHECK:  ret float %f
  ret  float %f
}

; CHECK: no_nan
define float @no_nan(float %x, float %y) {
entry:
; CHECK:  %vec = load <3 x float>, <3 x float>* @vec
  %vec    = load <3 x float>, <3 x float>* @vec
; CHECK:  %select = load i1, i1* @select
  %select = load i1, i1* @select
; CHECK:  %arr = load [3 x float], [3 x float]* @arr
  %arr    = load [3 x float], [3 x float]* @arr

; CHECK:  %a = fadd nnan float %x, %y
  %a = fadd nnan float %x, %y
; CHECK:  %a_vec = fadd nnan <3 x float> %vec, %vec
  %a_vec = fadd nnan <3 x float> %vec, %vec
; CHECK:  %b = fsub nnan float %x, %y
  %b = fsub nnan float %x, %y
; CHECK:  %b_vec = fsub nnan <3 x float> %vec, %vec
  %b_vec = fsub nnan <3 x float> %vec, %vec
; CHECK:  %c = fmul nnan float %x, %y
  %c = fmul nnan float %x, %y
; CHECK:  %c_vec = fmul nnan <3 x float> %vec, %vec
  %c_vec = fmul nnan <3 x float> %vec, %vec
; CHECK:  %d = fdiv nnan float %x, %y
  %d = fdiv nnan float %x, %y
; CHECK:  %d_vec = fdiv nnan <3 x float> %vec, %vec
  %d_vec = fdiv nnan <3 x float> %vec, %vec
; CHECK:  %e = frem nnan float %x, %y
  %e = frem nnan float %x, %y
; CHECK:  %e_vec = frem nnan <3 x float> %vec, %vec
  %e_vec = frem nnan <3 x float> %vec, %vec
; CHECK:  %f = fneg nnan float %x
  %f = fneg nnan float %x
; CHECK:  %f_vec = fneg nnan <3 x float> %vec
  %f_vec = fneg nnan <3 x float> %vec
; CHECK:  ret float %f
  ret float %f
}

; CHECK: @contract(
define float @contract(float %x, float %y) {
entry:
; CHECK: %a = fsub contract float %x, %y
  %a = fsub contract float %x, %y
; CHECK: %b = fadd contract float %x, %y
  %b = fadd contract float %x, %y
; CHECK: %c = fmul contract float %a, %b
  %c = fmul contract float %a, %b
  ret float %c
}

; CHECK: @reassoc(
define float @reassoc(float %x, float %y) {
; CHECK: %a = fsub reassoc float %x, %y
  %a = fsub reassoc float %x, %y
; CHECK: %b = fmul reassoc float %x, %y
  %b = fmul reassoc float %x, %y
; CHECK: %c = call reassoc float @foo(float %b)
  %c = call reassoc float @foo(float %b)
  ret float %c
}

; CHECK: @afn(
define float @afn(float %x, float %y) {
; CHECK: %a = fdiv afn float %x, %y
  %a = fdiv afn float %x, %y
; CHECK: %b = frem afn float %x, %y
  %b = frem afn float %x, %y
; CHECK: %c = call afn float @foo(float %b)
  %c = call afn float @foo(float %b)
  ret float %c
}

; CHECK: no_nan_inf
define float @no_nan_inf(float %x, float %y) {
entry:
; CHECK:  %vec = load <3 x float>, <3 x float>* @vec
  %vec    = load <3 x float>, <3 x float>* @vec
; CHECK:  %select = load i1, i1* @select
  %select = load i1, i1* @select
; CHECK:  %arr = load [3 x float], [3 x float]* @arr
  %arr    = load [3 x float], [3 x float]* @arr

; CHECK:  %a = fadd nnan ninf float %x, %y
  %a = fadd ninf nnan float %x, %y
; CHECK:  %a_vec = fadd nnan <3 x float> %vec, %vec
  %a_vec = fadd nnan <3 x float> %vec, %vec
; CHECK:  %b = fsub nnan float %x, %y
  %b = fsub nnan float %x, %y
; CHECK:  %b_vec = fsub nnan ninf <3 x float> %vec, %vec
  %b_vec = fsub ninf nnan <3 x float> %vec, %vec
; CHECK:  %c = fmul nnan float %x, %y
  %c = fmul nnan float %x, %y
; CHECK:  %c_vec = fmul nnan <3 x float> %vec, %vec
  %c_vec = fmul nnan <3 x float> %vec, %vec
; CHECK:  %d = fdiv nnan ninf float %x, %y
  %d = fdiv ninf nnan float %x, %y
; CHECK:  %d_vec = fdiv nnan <3 x float> %vec, %vec
  %d_vec = fdiv nnan <3 x float> %vec, %vec
; CHECK:  %e = frem nnan float %x, %y
  %e = frem nnan float %x, %y
; CHECK:  %e_vec = frem nnan ninf <3 x float> %vec, %vec
  %e_vec = frem ninf nnan <3 x float> %vec, %vec
; CHECK:  ret float %e
  ret float %e
}

; CHECK: mixed_flags
define float @mixed_flags(float %x, float %y) {
entry:
; CHECK:  %vec = load <3 x float>, <3 x float>* @vec
  %vec    = load <3 x float>, <3 x float>* @vec
; CHECK:  %select = load i1, i1* @select
  %select = load i1, i1* @select
; CHECK:  %arr = load [3 x float], [3 x float]* @arr
  %arr    = load [3 x float], [3 x float]* @arr

; CHECK:  %a = fadd nnan ninf afn float %x, %y
  %a = fadd ninf nnan afn float %x, %y
; CHECK:  %a_vec = fadd reassoc nnan <3 x float> %vec, %vec
  %a_vec = fadd reassoc nnan <3 x float> %vec, %vec
; CHECK:  %b = fsub fast float %x, %y
  %b = fsub nnan nsz fast float %x, %y
; CHECK:  %b_vec = fsub nnan <3 x float> %vec, %vec
  %b_vec = fsub nnan <3 x float> %vec, %vec
; CHECK:  %c = fmul fast float %x, %y
  %c = fmul nsz fast arcp float %x, %y
; CHECK:  %c_vec = fmul nsz <3 x float> %vec, %vec
  %c_vec = fmul nsz <3 x float> %vec, %vec
; CHECK:  %d = fdiv nnan ninf arcp float %x, %y
  %d = fdiv arcp ninf nnan float %x, %y
; CHECK:  %d_vec = fdiv fast <3 x float> %vec, %vec
  %d_vec = fdiv fast nnan arcp <3 x float> %vec, %vec
; CHECK:  %e = frem nnan nsz float %x, %y
  %e = frem nnan nsz float %x, %y
; CHECK:  %e_vec = frem nnan <3 x float> %vec, %vec
  %e_vec = frem nnan <3 x float> %vec, %vec
; CHECK:  %f = fneg nnan nsz float %x
  %f = fneg nnan nsz float %x
; CHECK:  %f_vec = fneg fast <3 x float> %vec
  %f_vec = fneg fast <3 x float> %vec
; CHECK:  ret float %f
  ret float %f
}

; CHECK: @fmf_calls(
define float @fmf_calls(float %x, float %y) {
entry:
; CHECK:  %vec = load <3 x float>, <3 x float>* @vec
  %vec    = load <3 x float>, <3 x float>* @vec
; CHECK:  %select = load i1, i1* @select
  %select = load i1, i1* @select
; CHECK:  %arr = load [3 x float], [3 x float]* @arr
  %arr    = load [3 x float], [3 x float]* @arr

; CHECK:  %a = call nnan ninf afn float @extfunc(float %x, float %y)
  %a = call ninf nnan afn float @extfunc(float %x, float %y)
; CHECK:  %a_vec = call reassoc nnan <3 x float> @extfunc_vec(<3 x float> %vec, <3 x float> %vec)
  %a_vec = call reassoc nnan <3 x float> @extfunc_vec(<3 x float> %vec, <3 x float> %vec)
; CHECK:  %b = call nnan ninf afn float (...) @var_extfunc(float %x, float %y)
  %b = call ninf nnan afn float (...) @var_extfunc(float %x, float %y)
; CHECK:  %b_vec = call reassoc nnan <3 x float> (...) @var_extfunc_vec(<3 x float> %vec, <3 x float> %vec)
  %b_vec = call reassoc nnan <3 x float> (...) @var_extfunc_vec(<3 x float> %vec, <3 x float> %vec)
; CHECK:  ret float %a
  ret float %a
}

declare float @extfunc(float, float)
declare <3 x float> @extfunc_vec(<3 x float>, <3 x float>)
declare float @var_extfunc(...)
declare <3 x float> @var_extfunc_vec(...)