basic.ll 1.5 KB

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  1. ; RUN: opt < %s -basicaa -scoped-noalias -aa-eval -evaluate-aa-metadata -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
  2. 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"
  3. target triple = "x86_64-unknown-linux-gnu"
  4. define void @foo1(float* nocapture %a, float* nocapture readonly %c) #0 {
  5. entry:
  6. ; CHECK-LABEL: Function: foo1
  7. %0 = load float, float* %c, align 4, !alias.scope !1
  8. %arrayidx.i = getelementptr inbounds float, float* %a, i64 5
  9. store float %0, float* %arrayidx.i, align 4, !noalias !1
  10. %1 = load float, float* %c, align 4
  11. %arrayidx = getelementptr inbounds float, float* %a, i64 7
  12. store float %1, float* %arrayidx, align 4
  13. ret void
  14. ; CHECK: NoAlias: %0 = load float, float* %c, align 4, !alias.scope !0 <-> store float %0, float* %arrayidx.i, align 4, !noalias !0
  15. ; CHECK: MayAlias: %0 = load float, float* %c, align 4, !alias.scope !0 <-> store float %1, float* %arrayidx, align 4
  16. ; CHECK: MayAlias: %1 = load float, float* %c, align 4 <-> store float %0, float* %arrayidx.i, align 4, !noalias !0
  17. ; CHECK: MayAlias: %1 = load float, float* %c, align 4 <-> store float %1, float* %arrayidx, align 4
  18. ; CHECK: NoAlias: store float %1, float* %arrayidx, align 4 <-> store float %0, float* %arrayidx.i, align 4, !noalias !0
  19. }
  20. attributes #0 = { nounwind uwtable }
  21. !0 = !{!0, !"some domain"}
  22. !1 = !{!1, !0, !"some scope"}