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better check

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2006-03-15 19:02:54 +00:00
parent 3299cae135
commit ace0565e65
1 changed files with 15 additions and 3 deletions
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18
test/Analysis/DSGraph/2004-02-13-memcpy.ll
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@ -1,6 +1,8 @@
; RUN: analyze %s -datastructure-gc -dsgc-check-flags=X:SMR
; RUN: analyze %s -datastructure-gc -dsgc-check-flags=Xn:SMR
; RUN: analyze %s -datastructure-gc -dsgc-check-flags=X:SM
declare void %llvm.memcpy(sbyte*, sbyte*, uint, uint)
declare void %llvm.memcpy.i32(sbyte*, sbyte*, uint, uint)
declare void %llvm.memmove.i32(sbyte*, sbyte*, uint, uint)
void %test() {
%X = alloca int
@ -8,6 +10,16 @@ void %test() {
%x = cast int* %X to sbyte*
%y = cast int* %Y to sbyte*
store int 4, int* %X
call void %llvm.memcpy(sbyte* %x, sbyte* %y, uint 4, uint 4)
call void %llvm.memcpy.i32(sbyte* %x, sbyte* %y, uint 4, uint 4)
ret void
}
void %test2() {
%Xn = alloca int
%Yn = alloca int
%xn = cast int* %Xn to sbyte*
%yn = cast int* %Yn to sbyte*
store int 4, int* %Xn
call void %llvm.memmove.i32(sbyte* %xn, sbyte* %yn, uint 4, uint 4)
ret void
}