1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-- -mcpu=i386 | FileCheck %s --check-prefix=BASE
3; RUN: llc < %s -mtriple=i686-- -mcpu=pentiumpro | FileCheck %s --check-prefix=CMOV
4; PR6679
5
6define float @foo(float* %col) {
7; BASE-LABEL: foo:
8; BASE:       # %bb.0:
9; BASE-NEXT:    movl {{[0-9]+}}(%esp), %eax
10; BASE-NEXT:    flds (%eax)
11; BASE-NEXT:    fldz
12; BASE-NEXT:    fucomp %st(1)
13; BASE-NEXT:    fnstsw %ax
14; BASE-NEXT:    # kill: def $ah killed $ah killed $ax
15; BASE-NEXT:    sahf
16; BASE-NEXT:    fld %st(0)
17; BASE-NEXT:    fchs
18; BASE-NEXT:    ja .LBB0_2
19; BASE-NEXT:  # %bb.1:
20; BASE-NEXT:    fstp %st(0)
21; BASE-NEXT:    fldz
22; BASE-NEXT:    fxch %st(1)
23; BASE-NEXT:  .LBB0_2:
24; BASE-NEXT:    fstp %st(1)
25; BASE-NEXT:    retl
26;
27; CMOV-LABEL: foo:
28; CMOV:       # %bb.0:
29; CMOV-NEXT:    movl {{[0-9]+}}(%esp), %eax
30; CMOV-NEXT:    flds (%eax)
31; CMOV-NEXT:    fldz
32; CMOV-NEXT:    fucompi %st(1), %st
33; CMOV-NEXT:    fld %st(0)
34; CMOV-NEXT:    fchs
35; CMOV-NEXT:    fxch %st(1)
36; CMOV-NEXT:    fcmovnbe %st(1), %st
37; CMOV-NEXT:    fstp %st(1)
38; CMOV-NEXT:    retl
39  %t = load float, float* %col
40  %t16 = fcmp olt float %t, 0.0
41  %t20 = fsub float -0.000000e+00, %t
42  %ift = select i1 %t16, float %t20, float %t
43  ret float %ift
44}
45