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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i686-- | FileCheck %s3 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 %ax12; CHECK-NEXT: # kill: def $ah killed $ah killed $ax13; CHECK-NEXT: sahf14; CHECK-NEXT: setp %al15; CHECK-NEXT: retl16 %R = fcmp uno double %X, %X ; <i1> [#uses=1]17 ret i1 %R18}19 20