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28-Apr-2012 |
Julien Lerouge <jlerouge@apple.com> |
Currently __builtin_annotation() only annotates an i32.
i32 __builtin_annotation(i32, string);
Applying it to i64 (e.g., long long) generates the following IR.
trunc i64 {{.*}} to i32
call i32 @llvm.annotation.i32
zext i32 {{.*}} to i64
The redundant truncation and extension make the result difficult to use.
This patch makes __builtin_annotation() generic.
type __builtin_annotation(type, string);
For the i64 example, it simplifies the generated IR to:
call i64 @llvm.annotation.i64
Patch by Xi Wang!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155764 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CodeGen/annotations-builtin.c
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