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6 Commits

Author SHA1 Message Date
Matt Arsenault 06c192d454 OpaquePtr: Bulk update tests to use typed byval 
Upgrade of the IR text tests should be the only thing blocking making
typed byval mandatory. Partially done through regex and partially
manual.
 2020-11-20 14:00:46 -05:00
Nirav Dave d6351340bb [DAGCombiner] If a TokenFactor would be merged into its user, consider the user later. 
Summary:
A number of optimizations are inhibited by single-use TokenFactors not
being merged into the TokenFactor using it. This makes we consider if
we can do the merge immediately.

Most tests changes here are due to the change in visitation causing
minor reorderings and associated reassociation of paired memory
operations.

CodeGen tests with non-reordering changes:

  X86/aligned-variadic.ll -- memory-based add folded into stored leaq
  value.

  X86/constant-combiners.ll -- Optimizes out overlap between stores.

  X86/pr40631_deadstore_elision -- folds constant byte store into
  preceding quad word constant store.

Reviewers: RKSimon, craig.topper, spatel, efriedma, courbet

Reviewed By: courbet

Subscribers: dylanmckay, sdardis, nemanjai, jvesely, nhaehnle, javed.absar, eraman, hiraditya, kbarton, jrtc27, atanasyan, jsji, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59260

llvm-svn: 356068
 2019-03-13 17:07:09 +00:00
Jonas Paulsson b1e81479e9 [XCore] Return true in enableMultipleCopyHints(). 
Enable multiple COPY hints to eliminate more COPYs during register allocation.

Note that this is something all targets should do, see
https://reviews.llvm.org/D38128.

Review: Robert Lytton
llvm-svn: 326069
 2018-02-26 08:03:32 +00:00
Richard Osborne a283d24ad9 [XCore] Target optimized library function __memcpy_4() 
Summary:
If the src, dst and size of a memcpy are known to be 4 byte aligned we
can call __memcpy_4() instead of memcpy().

Reviewers: robertlytton

Reviewed By: robertlytton

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2871

llvm-svn: 202395
 2014-02-27 13:39:07 +00:00
Robert Lytton 494591b87f XCore target: fix bug in aligning 'byval i8*' on the stack 
llvm-svn: 194466
 2013-11-12 10:11:35 +00:00
Robert Lytton 4e60a3f4e3 XCore target: Add byval handling 
llvm-svn: 187563
 2013-08-01 08:18:55 +00:00