llvm/test/CodeGen/X86/fp-stack-compare.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -mcpu=i386 | FileCheck %s --check-prefix=BASE
; RUN: llc < %s -mtriple=i686-- -mcpu=pentiumpro | FileCheck %s --check-prefix=CMOV
; PR6679

define float @foo(ptr %col) {
; BASE-LABEL: foo:
; BASE:       # %bb.0:
; BASE-NEXT:    movl {{[0-9]+}}(%esp), %eax
; BASE-NEXT:    flds (%eax)
; BASE-NEXT:    fld %st(0)
; BASE-NEXT:    fchs
; BASE-NEXT:    fucom %st(1)
; BASE-NEXT:    fnstsw %ax
; BASE-NEXT:    # kill: def $ah killed $ah killed $ax
; BASE-NEXT:    sahf
; BASE-NEXT:    ja .LBB0_2
; BASE-NEXT:  # %bb.1:
; BASE-NEXT:    fstp %st(0)
; BASE-NEXT:    fldz
; BASE-NEXT:    fxch %st(1)
; BASE-NEXT:  .LBB0_2:
; BASE-NEXT:    fstp %st(1)
; BASE-NEXT:    retl
;
; CMOV-LABEL: foo:
; CMOV:       # %bb.0:
; CMOV-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CMOV-NEXT:    flds (%eax)
; CMOV-NEXT:    fld %st(0)
; CMOV-NEXT:    fchs
; CMOV-NEXT:    fucomi %st(1), %st
; CMOV-NEXT:    fxch %st(1)
; CMOV-NEXT:    fcmovnbe %st(1), %st
; CMOV-NEXT:    fstp %st(1)
; CMOV-NEXT:    retl
  %t = load float, ptr %col
  %t16 = fcmp olt float %t, 0.0
  %t20 = fsub float -0.000000e+00, %t
  %ift = select i1 %t16, float %t20, float %t
  ret float %ift
}