no-ldstr-conn.ll 948 B

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  1. target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
  2. ; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=2 -instcombine -gvn -S | FileCheck %s
  3. ; Make sure that things (specifically getelementptr) are not connected to loads
  4. ; and stores via the address operand (which would be bad because the address
  5. ; is really a scalar even after vectorization)
  6. define i64 @test2(i64 %a) nounwind uwtable readonly {
  7. entry:
  8. %a1 = inttoptr i64 %a to i64*
  9. %a2 = getelementptr i64, i64* %a1, i64 1
  10. %a3 = getelementptr i64, i64* %a1, i64 2
  11. %v2 = load i64, i64* %a2, align 8
  12. %v3 = load i64, i64* %a3, align 8
  13. %v2a = add i64 %v2, 5
  14. %v3a = add i64 %v3, 7
  15. store i64 %v2a, i64* %a2, align 8
  16. store i64 %v3a, i64* %a3, align 8
  17. %r = add i64 %v2, %v3
  18. ret i64 %r
  19. ; CHECK-LABEL: @test2(
  20. ; CHECK-NOT: getelementptr i64, <2 x i64*>
  21. }