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path: root/test/Integer/2007-01-19-TruncSext.ll
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; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
; RUN: diff %t1.ll %t2.ll
; RUN: llvm-as < %s | lli --force-interpreter=true | grep -- '-255'

%ARRAY   = global [ 20 x i17 ] zeroinitializer
%FORMAT  = constant [ 4 x i8 ] c"%d\0A\00"

declare i32 %printf(i8* %format, ...)

define void %multiply(i32 %index, i32 %X, i32 %Y) {
  %Z = mul i32 %X, %Y
  %P = getelementptr [20 x i17]* %ARRAY, i32 0, i32 %index
  %Result = trunc i32 %Z to i17
  store i17 %Result, i17* %P
  ret void
}

define i32 %main(i32 %argc, i8** %argc) {
  %i = bitcast i32 0 to i32
  call void %multiply(i32 %i, i32 -1, i32 255) 
  %P = getelementptr [20 x i17]* %ARRAY, i32 0, i32 0
  %X = load i17* %P
  %result = sext i17 %X to i32
  %fmt = getelementptr [4 x i8]* %FORMAT, i32 0, i32 0
  call i32 (i8*,...)* %printf(i8* %fmt, i32 %result)
  ret i32 %result
}