llvm-project

Commit Graph

Author	SHA1	Message	Date
Chandler Carruth	681069d675	Don't manually (and forcibly) run the verifier on the entire module from the jump instruction table pass. First, the verifier is already built into all the tools. The test case is adapted to just run llvm-as demonstrating that we still catch the broken module. Second, the verifier is extremely slow. This was responsible for very significant compile time regressions. If you have deployed a Clang binary anywhere from r210280 to this commit, you really want to re-deploy. llvm-svn: 214287	2014-07-30 05:44:04 +00:00
Craig Topper	66f09ad041	[C++11] Use 'nullptr'. llvm-svn: 210442	2014-06-08 22:29:17 +00:00
Tom Roeder	44cb65fff1	Add a new attribute called 'jumptable' that creates jump-instruction tables for functions marked with this attribute. It includes a pass that rewrites all indirect calls to jumptable functions to pass through these tables. This also adds backend support for generating the jump-instruction tables on ARM and X86. Note that since the jumptable attribute creates a second function pointer for a function, any function marked with jumptable must also be marked with unnamed_addr. llvm-svn: 210280	2014-06-05 19:29:43 +00:00

Author

SHA1

Message

Date

Chandler Carruth

681069d675

Don't manually (and forcibly) run the verifier on the entire module from

the jump instruction table pass. First, the verifier is already built
into all the tools. The test case is adapted to just run llvm-as
demonstrating that we still catch the broken module. Second, the
verifier is *extremely* slow. This was responsible for very significant
compile time regressions.

If you have deployed a Clang binary anywhere from r210280 to this
commit, you really want to re-deploy.

llvm-svn: 214287

2014-07-30 05:44:04 +00:00

Craig Topper

66f09ad041

[C++11] Use 'nullptr'.

llvm-svn: 210442

2014-06-08 22:29:17 +00:00

Tom Roeder

44cb65fff1

Add a new attribute called 'jumptable' that creates jump-instruction tables for functions marked with this attribute.

It includes a pass that rewrites all indirect calls to jumptable functions to pass through these tables.

This also adds backend support for generating the jump-instruction tables on ARM and X86.
Note that since the jumptable attribute creates a second function pointer for a
function, any function marked with jumptable must also be marked with unnamed_addr.

llvm-svn: 210280

2014-06-05 19:29:43 +00:00

3 Commits