|  | ; RUN: opt -S -instcombine < %s | FileCheck %s | 
|  |  | 
|  | define float @test1(float %x) nounwind readnone ssp { | 
|  | %div = fdiv float %x, 0x3810000000000000 | 
|  | ret float %div | 
|  |  | 
|  | ; CHECK: @test1 | 
|  | ; CHECK-NEXT: fmul float %x, 0x47D0000000000000 | 
|  | } | 
|  |  | 
|  | define float @test2(float %x) nounwind readnone ssp { | 
|  | %div = fdiv float %x, 0x47E0000000000000 | 
|  | ret float %div | 
|  |  | 
|  | ; CHECK: @test2 | 
|  | ; CHECK-NEXT: fdiv float %x, 0x47E0000000000000 | 
|  | } | 
|  |  | 
|  | define float @test3(float %x) nounwind readnone ssp { | 
|  | %div = fdiv float %x, 0x36A0000000000000 | 
|  | ret float %div | 
|  |  | 
|  | ; CHECK: @test3 | 
|  | ; CHECK-NEXT: fdiv float %x, 0x36A0000000000000 | 
|  | } |