modreftest.ll 412 B

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  1. ; RUN: opt < %s -basicaa -globalsmodref-aa -gvn -S | FileCheck %s
  2. @X = internal global i32 4 ; <i32*> [#uses=2]
  3. define i32 @test(i32* %P) {
  4. ; CHECK: @test
  5. ; CHECK-NEXT: store i32 12, i32* @X
  6. ; CHECK-NEXT: call void @doesnotmodX()
  7. ; CHECK-NEXT: ret i32 12
  8. store i32 12, i32* @X
  9. call void @doesnotmodX( )
  10. %V = load i32, i32* @X ; <i32> [#uses=1]
  11. ret i32 %V
  12. }
  13. define void @doesnotmodX() {
  14. ret void
  15. }