This currently emits everything as S_GDATA32, which isn't right for
things like thread locals, but it's a start.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271957 91177308-0d34-0410-b5e6-96231b3b80d8
Arrange to call verify(Function &) on each function, followed by
verify(Module &), whether the verifier is being used from the pass or
from verifyModule(). As a side effect, this fixes an issue that caused
us not to call verify(Function &) on unmaterialized functions from
verifyModule().
Differential Revision: http://reviews.llvm.org/D21042
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271956 91177308-0d34-0410-b5e6-96231b3b80d8
Remove previously unreachable code that verifies that a function definition has
an entry block. By definition, a function definition has at least one block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271948 91177308-0d34-0410-b5e6-96231b3b80d8
Calls to this function are currently injected by the
``SanitizerCoverageModule`` pass when the both the ``indirect-calls``
and ``trace-pc`` sanitizer coverage options are enabled and the code
being instrumented has indirect calls. Previously because LibFuzzer did
not define this function this would lead to link errors when building
some of the tests on OSX.
Differential Revision: http://reviews.llvm.org/D20946
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271938 91177308-0d34-0410-b5e6-96231b3b80d8
If we had a constant group address space cast the queue pointer
wasn't enabled for the function, resulting in a crash on noreg
later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271935 91177308-0d34-0410-b5e6-96231b3b80d8
In some cases, when simplifying with SCEV, we might consider pointer values as
just usual integer values. Thus, we might get a different type from what we
had originally in the map of simplified values, and hence we need to check
types before operating on the values.
This fixes PR28015.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271931 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
Fix LSRInstance::HoistInsertPosition() to check the original insert
position block first for a canonical insertion point that is dominated
by all inputs. This leads to SCEV being able to reuse more instructions
since it currently tracks the instructions it creates for reuse by
keeping a table of <Value, insert point> pairs.
Originally reviewed in http://reviews.llvm.org/D18001
Reviewers: atrick
Subscribers: llvm-commits, mzolotukhin, mcrosier
Differential Revision: http://reviews.llvm.org/D18480
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271929 91177308-0d34-0410-b5e6-96231b3b80d8
The code layout that TailMerging (inside BranchFolding) works on is not the
final layout optimized based on the branch probability. Generally, after
BlockPlacement, many new merging opportunities emerge.
This patch calls Tail Merging after MBP and calls MBP again if Tail Merging
merges anything.
Differential Revision: http://reviews.llvm.org/D20276
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271925 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
Following D20970 (committed as r271726).
This is a substantial refactoring of the host CPU detection code.
There is no functionality change intended, but the changes are extensive.
Definitions of architecture types and subtypes are by no means exhaustive or
perfectly defined, but a fair starting point.
Suggestions for futher improvements are welcome.
Reviewers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20988
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271921 91177308-0d34-0410-b5e6-96231b3b80d8
In r271810 ( http://reviews.llvm.org/rL271810 ), I loosened the check
above this to work for any Constant rather than ConstantInt. AFAICT,
that part makes sense if we can determine that the shrunken/extended
constant remained equal. But it doesn't make sense for this later
transform where we assume that the constant DID change.
This could assert for a ConstantExpr:
https://llvm.org/bugs/show_bug.cgi?id=28011
And it could be wrong for a vector as shown in the added regression test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271908 91177308-0d34-0410-b5e6-96231b3b80d8
Another step for unification llvm assembler/disassembler with sp3.
Besides, CodeGen output is a bit improved, thus changes in CodeGen tests.
Assembler/Disassembler tests updated/added.
Differential Revision: http://reviews.llvm.org/D20796
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271900 91177308-0d34-0410-b5e6-96231b3b80d8
Since FoldOpIntoPhi speculates the binary operation to potentially each
of the predecessors of the PHI node (pulling it out of arbitrary control
dependence in the process), we can FoldOpIntoPhi only if we know the
operation doesn't have UB.
This also brings up an interesting profitability question -- the way it
is written today, commonIRemTransforms will hoist out work from
dynamically dead code into code that will execute at runtime. Perhaps
that isn't the best canonicalization?
Fixes PR27968.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271857 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
There are some rough corners, since the new pass manager doesn't have
(as far as I can tell) LoopSimplify and LCSSA, so I've updated the
tests to run them separately in the old pass manager in the lit tests.
We also don't have an equivalent for AU.setPreservesCFG() in the new
pass manager, so I've left a FIXME.
Reviewers: bogner, chandlerc, davide
Subscribers: sanjoy, mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D20783
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271846 91177308-0d34-0410-b5e6-96231b3b80d8
Could do this for other types to, but this is what's needed to replace the instrinsic with native IR in clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271828 91177308-0d34-0410-b5e6-96231b3b80d8
Change the name of the ICmpInst to 'ICmp' and the Constant (was a ConstantInt) to 'C',
so that it's hopefully clearer that 'CI' refers to CastInst in this context.
While we're scrubbing, fix the documentation comment and use 'auto' with 'dyn_cast'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271817 91177308-0d34-0410-b5e6-96231b3b80d8
A basic block could contain:
%cp = cleanuppad []
cleanupret from %cp unwind to caller
This basic block is empty and is thus a candidate for removal. However,
there can be other uses of %cp outside of this basic block. This is
only possible in unreachable blocks.
Make our transform more correct by checking that the pad has a single
user before removing the BB.
This fixes PR28005.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271816 91177308-0d34-0410-b5e6-96231b3b80d8
The name map might not be densely packed on disk. Using a sparse map
will save memory in such situations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271811 91177308-0d34-0410-b5e6-96231b3b80d8
