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(parent: a9de3fa) | patch
Add support for declaring register contraints in variables. They are only used
authorRafael Espindola <rafael.espindola@gmail.com>
Thu, 30 Dec 2010 22:59:32 +0000 (22:59 +0000)
committerRafael Espindola <rafael.espindola@gmail.com>
Thu, 30 Dec 2010 22:59:32 +0000 (22:59 +0000)
commit0ec89f928ce5b3294c2ed644ec1a42656e1af39d
treea1d142a2a104671fac18cb81e1ce3774aacb9cd8tree | snapshot
parenta9de3fa8a9c22dd419eda9be53e8c7c428cce1c0commit | diff
Add support for declaring register contraints in variables. They are only used
in asm statements:

register int foo asm("rdi");

asm("..." : ... "r" (foo) ...

We also only accept these variables if the constraint in the asm statement is "r".

This fixes most of PR3933.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122643 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/CGDecl.cpp diff | blob | history
lib/CodeGen/CGStmt.cpp diff | blob | history
test/CodeGen/asm-variable.c [new file with mode: 0644] blob
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