chained.ll 627 B

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  1. ; RUN: opt < %s -argpromotion -instcombine -S | not grep load
  2. target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
  3. @G1 = constant i32 0 ; <i32*> [#uses=1]
  4. @G2 = constant i32* @G1 ; <i32**> [#uses=1]
  5. define internal i32 @test(i32** %X) {
  6. %Y = load i32*, i32** %X ; <i32*> [#uses=1]
  7. %X.upgrd.1 = load i32, i32* %Y ; <i32> [#uses=1]
  8. ret i32 %X.upgrd.1
  9. }
  10. define i32 @caller(i32** %P) {
  11. %X = call i32 @test( i32** @G2 ) ; <i32> [#uses=1]
  12. ret i32 %X
  13. }