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2008-01-29-PromoteBug.ll 923 B

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  1. ; RUN: opt < %s -scalarrepl -instcombine -S | grep "ret i8 17"
  2. ; rdar://5707076
  3. target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
  4. target triple = "i386-apple-darwin9.1.0"
  5. %struct.T = type <{ i8, [3 x i8] }>
  6. define i8 @f() {
  7. entry:
  8. %s = alloca [1 x %struct.T], align 4 ; <[1 x %struct.T]*> [#uses=2]
  9. %T3 = bitcast [1 x %struct.T]* %s to i32*
  10. store i32 -61184, i32* %T3
  11. %tmp16 = getelementptr [1 x %struct.T], [1 x %struct.T]* %s, i32 0, i32 0 ; <%struct.T*> [#uses=1]
  12. %tmp17 = getelementptr %struct.T, %struct.T* %tmp16, i32 0, i32 1 ; <[3 x i8]*> [#uses=1]
  13. %tmp1718 = bitcast [3 x i8]* %tmp17 to i32* ; <i32*> [#uses=1]
  14. %tmp19 = load i32, i32* %tmp1718, align 4 ; <i32> [#uses=1]
  15. %mask = and i32 %tmp19, 16777215 ; <i32> [#uses=2]
  16. %mask2324 = trunc i32 %mask to i8 ; <i8> [#uses=1]
  17. ret i8 %mask2324
  18. }