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Reapply address space patch after fixing an issue in MemCopyOptimizer.

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Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100191 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang
2010-04-02 18:04:15 +00:00
parent a6194b3a2a
commit e33c848fa4
28 changed files with 314 additions and 143 deletions
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4
test/Transforms/InstCombine/objsize.ll
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@@ -113,7 +113,7 @@ entry:
%1 = bitcast %struct.data* %0 to i8*
%2 = call i64 @llvm.objectsize.i64(i8* %1, i1 false) nounwind
; CHECK-NOT: @llvm.objectsize
; CHECK: @llvm.memset.i64(i8* %1, i8 0, i64 1824, i32 8)
; CHECK: @llvm.memset.p0i8.i64(i8* %1, i8 0, i64 1824, i32 8, i1 false)
%3 = call i8* @__memset_chk(i8* %1, i32 0, i64 1824, i64 %2) nounwind
ret i32 0
}
@@ -128,7 +128,7 @@ entry:
%1 = tail call i32 @llvm.objectsize.i32(i8* %0, i1 false)
%2 = load i8** @s, align 8
; CHECK-NOT: @llvm.objectsize
; CHECK: @llvm.memcpy.i32(i8* %0, i8* %1, i32 10, i32 1)
; CHECK: @llvm.memcpy.p0i8.p0i8.i32(i8* %0, i8* %1, i32 10, i32 1, i1 false)
%3 = tail call i8* @__memcpy_chk(i8* %0, i8* %2, i32 10, i32 %1) nounwind
ret void
}