memset-aggregate-byte-leader.ll 826 B

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  1. ; PR1226
  2. ; RUN: opt < %s -scalarrepl -S | \
  3. ; RUN: not grep "call void @llvm.memcpy.p0i8.p0i8.i32"
  4. ; RUN: opt < %s -scalarrepl -S | grep getelementptr
  5. ; END.
  6. target datalayout = "E-p:32:32"
  7. target triple = "powerpc-apple-darwin8.8.0"
  8. %struct.foo = type { i8, i8 }
  9. define i32 @test1(%struct.foo* %P) {
  10. entry:
  11. %L = alloca %struct.foo, align 2 ; <%struct.foo*> [#uses=1]
  12. %L2 = getelementptr %struct.foo, %struct.foo* %L, i32 0, i32 0 ; <i8*> [#uses=2]
  13. %tmp13 = getelementptr %struct.foo, %struct.foo* %P, i32 0, i32 0 ; <i8*> [#uses=1]
  14. call void @llvm.memcpy.p0i8.p0i8.i32( i8* %L2, i8* %tmp13, i32 2, i32 1, i1 false)
  15. %tmp5 = load i8, i8* %L2 ; <i8> [#uses=1]
  16. %tmp56 = sext i8 %tmp5 to i32 ; <i32> [#uses=1]
  17. ret i32 %tmp56
  18. }
  19. declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1)