"check-all" can be executed with 0 status, "check-all does nothing, no tools built."

LLVM_EXTERNAL_CLANG_BUILD=OFF LLVM_BUILD_TOOLS=OFF can reproduce this.
Oscar Fuentes reported this. Thank you.

llvm-svn: 171046

llvm-svn: 171044

llvm-svn: 171043

This affords us to use std::string's allocation routines and use the destructor
for the memory management. Switching to that also means that we can use
operator==(const std::string&, const char *) to perform the string comparison
rather than resorting to libc functionality (i.e. strcmp).

Patch by Saleem Abdulrasool!

Differential Revision: http://llvm-reviews.chandlerc.com/D230

llvm-svn: 171042

When the backend is used from clang, it should produce proper diagnostics
instead of just printing messages to errs(). Other clients may also want to
register their own error handlers with the LLVMContext, and the same handler
should work for warnings in the same way as the existing emitError methods.

llvm-svn: 171041

Now we really pass -Wcovered-switch-default if the compiler supports it.

llvm-svn: 171040

llvm-svn: 171037

llvm-svn: 171029

support for the insert-subvector and extract-subvector kinds.

llvm-svn: 171027

llvm-svn: 171026

Removed "static" from "__jit_debug_descriptor" because "static" adds C++ mangling prefix to this symbol. 

llvm-svn: 171025

Some x86 instructions can load/store one of the operands to memory. On SSE, this memory needs to be aligned.
When these instructions are encoded in VEX (on AVX) there is no such requirement. This changes the folding
tables and removes the alignment restrictions from VEX-encoded instructions.

llvm-svn: 171024

the StoreInst operands.

PR14705.

llvm-svn: 171023

Change the codegen Cost Model API for shuffeles. This patch removes the API for broadcast and adds a more general API that accepts an enum of known shuffles.

llvm-svn: 171022

llvm-svn: 171021

llvm-svn: 171016

llvm/MC/MCMachObjectWriter.h: ComputeSymbolTable(): Prune one description in the comment. [-Wdocumentation]

/// \param StringIndexMap [out] - Map from symbol names to offsets in the string table.

llvm-svn: 171010

The bug was in the code that detects PHIs in if-then-else block sequence.

PR14701.

llvm-svn: 171008

llvm-svn: 171006

the cost of arithmetic functions. We now assume that the cost of arithmetic
operations that are marked as Legal or Promote is low, but ops that are
marked as custom are higher.

llvm-svn: 171002

llvm-svn: 171001

Fixes an assert during the build of oggenc in the test suite.

llvm-svn: 171000

We are not ready to estimate the cost of integer expansions based on the number of parts. This test is too noisy.

llvm-svn: 170999

llvm-svn: 170998

llvm-svn: 170997

llvm-svn: 170996

them more expensive.

llvm-svn: 170995

llvm-svn: 170991

llvm-svn: 170990

Back when this exception was added, it was skipping a lot more code, but
now it just looks like a premature optimization.

llvm-svn: 170989

The representation of the Operands array is going to change soon so it
can be allocated from a BumpPtrAllocator.

llvm-svn: 170988

pmuludq is slow, but it turns out that all the unpacking and packing of the
scalarized mul is even slower. 10% speedup on loop-vectorized paq8p.

llvm-svn: 170985

Also loosen the SSSE3 dependency a bit, expanded pshufb + psra is still better
than scalarized loads. Fixes PR14590.

llvm-svn: 170984

llvm-svn: 170982

Use a negative value to represent INVALID_SIMPLE_VALUE_TYPE instead of 256. Its much cheaper for the isSimple() checks to look for values less than 0 rather than a value greater than 255. This shaves ~8k off the size of the llc binary on x86-64.

llvm-svn: 170981

Add vAny and Metadata to the switch in getSizeInBits for consistency since every other enum was listed.

llvm-svn: 170977

 - Also, don't print headers if we aren't going to print any diagnostics.

llvm-svn: 170973

Change 'AttrVal' to 'AttrKind' to better reflect that it's a kind of attribute instead of the value of the attribute.

llvm-svn: 170972

uninitialized value against a default value. Found by -fsanitize=enum.

llvm-svn: 170970

llvm-svn: 170968