Patch by Mike Stump!

llvm-svn: 52081

long double X() { return 1.0L; }

as:

long double X()
(CompoundStmt 0xb06a00 <t.c:2:17, col:32>
  (ReturnStmt 0xb068d0 <col:19, col:26>
    (FloatingLiteral 0xb02cf0 <col:26> 'long double' 1.000000)))

llvm-svn: 52080

llvm-svn: 52079

llvm-svn: 52078

llvm-svn: 52077

reported on cfe-dev by Cédric Venet.

Note that I seriously doubt that this perticular construct is useful, 
though: it's a pointer in an alternate address space pointing into 
unqualified address space.

llvm-svn: 52076

llvm-svn: 52075

llvm-svn: 52074

Speculatively execute a block when the the block is the then part of a triangle shape and it contains a single, side effect free, cheap instruction. The branch is eliminated by adding a select instruction. i.e.

Turn                                                                                                                                                                                                       
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    br i1 %t1, label %BB1, label %BB2                                                                                                                                                                      
BB1:                                                                                                                                                                                                       
    %t3 = add %t2, c                                                                                                                                                                                       
    br label BB2                                                                                                                                                                                           
BB2:                                                                                                                                                                                                       
=>                                                                                                                                                                                                         
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    %t4 = add %t2, c                                                                                                                                                                                       
    %t3 = select i1 %t1, %t2, %t3

llvm-svn: 52073

llvm-svn: 52072

llvm-svn: 52071

llvm-svn: 52070

stores of aggregate values.

llvm-svn: 52069

no visible functionality change, but enables a future patch where node creation
will update the CFG if it decides to create an unconditional rather than a conditional branch.

llvm-svn: 52067

Use a common SourceManager when processing multiple files.  This allows us to cache the contents of source files already loaded from disk.

llvm-svn: 52066

llvm-svn: 52065

get rid of ExtractValueInst::init's Value argument, it is already passed to the UnaryInstruction ctor

llvm-svn: 52064

llvm-svn: 52063

llvm-svn: 52062

llvm-svn: 52061

PR2419.

llvm-svn: 52060

Implement "Destroy" and destructor for ObjCClassDecl, allowing us to reclaim its memory and the memory of the Decls it owns.

llvm-svn: 52059

llvm-svn: 52057

llvm-svn: 52056

Implement "Destroy" and destructor for ObjCProtocolDecl, allowing us to reclaim its memory and the memory of the Decls it owns.

llvm-svn: 52055

llvm-svn: 52054

llvm-svn: 52053

llvm-svn: 52052

ObjCPropertyDecls, have TranslationUnit destroy ObjCPropertyDecls. This is a
horrible hack, and must be removed eventually.

llvm-svn: 52051

have Destroy methods of ObjcMethodDecl and ObjCInterfaceDecl which recursively
destroy their owned Decls and Stmts.  There are a few cases where it is not
clear what to do (FIXMEs included in the patch).

llvm-svn: 52050

llvm-svn: 52049

llvm-svn: 52048

llvm-svn: 52047

llvm-svn: 52046

llvm-svn: 52045

and better control the abstraction.  Rename the type
to MVT.  To update out-of-tree patches, the main
thing to do is to rename MVT::ValueType to MVT, and
rewrite expressions like MVT::getSizeInBits(VT) in
the form VT.getSizeInBits().  Use VT.getSimpleVT()
to extract a MVT::SimpleValueType for use in switch
statements (you will get an assert failure if VT is
an extended value type - these shouldn't exist after
type legalization).
This results in a small speedup of codegen and no
new testsuite failures (x86-64 linux).

llvm-svn: 52044

otherwise, opt might crash.

llvm-svn: 52041

llvm-svn: 52040

This is necessary on windows targets, since stdout is in text mode there.
Patch by Julien Lerouge!

llvm-svn: 52038

Patch by Julien Lerouge!

llvm-svn: 52037