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memcpy-align.ll 1.2 KB

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  1. ; RUN: opt -scalarrepl -S < %s | FileCheck %s
  2. ; PR6832
  3. target datalayout =
  4. "e-p:32:32:32-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-n32"
  5. target triple = "arm-u-u"
  6. %0 = type { %struct.anon, %struct.anon }
  7. %struct.anon = type { [4 x i8] }
  8. @c = external global %0 ; <%0*> [#uses=1]
  9. define void @good() nounwind {
  10. entry:
  11. %x0 = alloca %struct.anon, align 4 ; <%struct.anon*> [#uses=2]
  12. %tmp = bitcast %struct.anon* %x0 to i8* ; <i8*> [#uses=1]
  13. call void @llvm.memset.p0i8.i32(i8* %tmp, i8 0, i32 4, i32 4, i1 false)
  14. %tmp1 = bitcast %struct.anon* %x0 to i8* ; <i8*> [#uses=1]
  15. call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds (%0, %0* @c, i32
  16. 0, i32 0, i32 0, i32 0), i8* %tmp1, i32 4, i32 4, i1 false)
  17. ret void
  18. ; CHECK: store i8 0, i8*{{.*}}, align 4
  19. ; CHECK: store i8 0, i8*{{.*}}, align 1
  20. ; CHECK: store i8 0, i8*{{.*}}, align 2
  21. ; CHECK: store i8 0, i8*{{.*}}, align 1
  22. }
  23. declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
  24. declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32,
  25. i1) nounwind