llvm-6502/test/Transforms/InstCombine/sitofp.ll

; 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
}

define i32 @test5(i32 %A) {
  %B = sitofp i32 %A to double
  %C = fptosi double %B to i32
  %D = uitofp i32 %C to double
  %E = fptoui double %D to i32
  ret i32 %E
}