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make it clear what they're testing so there is no way to know it's right
or to update it.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112897 91177308-0d34-0410-b5e6-96231b3b80d8
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This avoids generating two gep's for common array operations. Before
we would generate something like:
%tmp = load i32* %X.addr ; <i32> [#uses=1]
%arraydecay = getelementptr inbounds [100 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1]
%arrayidx = getelementptr inbounds i32* %arraydecay, i32 %tmp ; <i32*> [#uses=1]
%tmp1 = load i32* %arrayidx ; <i32> [#uses=1]
Now we generate:
%tmp = load i32* %X.addr ; <i32> [#uses=1]
%arrayidx = getelementptr inbounds [100 x i32]* %A, i32 0, i32 %tmp ; <i32*> [#uses=1]
%tmp1 = load i32* %arrayidx ; <i32> [#uses=1]
Less IR is better at -O0.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106966 91177308-0d34-0410-b5e6-96231b3b80d8
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- This is designed to make it obvious that %clang_cc1 is a "test variable"
which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
can be useful to redefine what gets run as 'clang -cc1' (for example, to set
a default target).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91446 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83578 91177308-0d34-0410-b5e6-96231b3b80d8
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__attribute__((address_space(1))) struct {int arr[ 3 ]; } *p1;
... = p1->arr[2]; // load from address space 1
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76717 91177308-0d34-0410-b5e6-96231b3b80d8
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