Commit Graph

62 Commits

Author SHA1 Message Date
Devang Patel 26cabc447c Skip, for now, callsites where use of sret argument is not dominated by callsite.
llvm-svn: 47980
2008-03-05 23:39:23 +00:00
Devang Patel ea4cb89d34 Filter nested structs
llvm-svn: 47906
2008-03-04 21:32:09 +00:00
Devang Patel 297ea0de75 Use appropriate index to get the result value.
llvm-svn: 47897
2008-03-04 19:22:54 +00:00
Devang Patel 748c77f530 Skip sret attribute while preparing attribute list for
new function and new call sites.

llvm-svn: 47896
2008-03-04 19:12:58 +00:00
Devang Patel ed6e4b0b7d Increment counter that keeps track of total number of sret promoted.
llvm-svn: 47892
2008-03-04 17:48:11 +00:00
Devang Patel 6bb36e686d Skip declarations.
llvm-svn: 47890
2008-03-04 17:47:06 +00:00
Devang Patel 5b69f3fa33 Process externally visible functions also. Later on code generator will do the right thing.
llvm-svn: 47889
2008-03-04 17:46:26 +00:00
Devang Patel ecce5af83d Collect statistics.
llvm-svn: 47888
2008-03-04 17:44:37 +00:00
Devang Patel 9d91785987 s/isReturnStruct()/hasStructRetAttr()/g
llvm-svn: 47857
2008-03-03 21:46:28 +00:00
Devang Patel b0faf89133 Preserve paramater attributes.
llvm-svn: 47847
2008-03-03 18:36:03 +00:00
Devang Patel e8ddaba169 Fix cut-n-pasto.
llvm-svn: 47777
2008-02-29 23:41:13 +00:00
Devang Patel 4eedfd2421 Add pass to promote sret.
This pass transforms 

  %struct._Point = type { i32, i32, i32, i32, i32, i32 }
  define internal void @foo(%struct._Point* sret  %agg.result)

into

  %struct._Point = type { i32, i32, i32, i32, i32, i32 }
  define internal %struct._Point @foo()

This pass updates foo() clients appropriately to use
getresult instruction to extract return values.

This pass is not yet ready for prime time.

llvm-svn: 47776
2008-02-29 23:34:08 +00:00