1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-- | FileCheck %s
3
4declare i1 @llvm.isunordered.f64(double)
5
6define i1 @test_isnan(double %X) {
7; CHECK-LABEL: test_isnan:
8; CHECK:       # %bb.0:
9; CHECK-NEXT:    fldl {{[0-9]+}}(%esp)
10; CHECK-NEXT:    fucomp %st(0)
11; CHECK-NEXT:    fnstsw %ax
12; CHECK-NEXT:    # kill: def $ah killed $ah killed $ax
13; CHECK-NEXT:    sahf
14; CHECK-NEXT:    setp %al
15; CHECK-NEXT:    retl
16        %R = fcmp uno double %X, %X             ; <i1> [#uses=1]
17        ret i1 %R
18}
19
20