test/Transforms/InstCombine/sitofp.ll


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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep sitofp

define i1 @test1(i8 %A) {
  %B = sitofp i8 %A to double
  %C = fcmp ult double %B, 128.0
  ret i1 %C  ;  True!
}
define i1 @test2(i8 %A) {
  %B = sitofp i8 %A to double
  %C = fcmp ugt double %B, -128.1
  ret i1 %C  ;  True!
}

define i1 @test3(i8 %A) {
  %B = sitofp i8 %A to double
  %C = fcmp ule double %B, 127.0
  ret i1 %C  ;  true!
}

define i1 @test4(i8 %A) {
  %B = sitofp i8 %A to double
  %C = fcmp ult double %B, 127.0
  ret i1 %C  ;  A != 127
}