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04ca41acf3
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John Stiles 04ca41acf3 Fix switch optimization pass. 
The optimizer now properly recognizes all types of exits from a switch
statement. Break, continue and return are all potential exits and need
to be considered when determining the exit path from the switch.

Previously, dead code elimination was hiding the effects of this bug
from us, but it meant that an optimized switch had the potential to
generate lots of worthless IR nodes which then needed to be detected and
eliminated by the CFG. In particular, this affected the enum form of
blend, causing a catastrophic amount of extra work to be done.

Change-Id: If857e38cadfc016884624ea4db25a273ad3dce5b
Bug: skia:11352
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/372958
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-02-23 15:38:24 +00:00
..
toolchain allow overriding {target,host}_link = ... in GN 2020-11-05 19:40:47 +00:00
__init__.py Make gn directory importable in python 2017-03-20 17:40:30 +00:00
bench.gni drawBitmap is deprecated 2021-01-24 17:39:15 +00:00
BUILD.gn Disable -Wrange-loop-analysis. 2021-02-20 15:45:23 +00:00
BUILDCONFIG.gn Add is_apple (= is_mac || is_ios) to our GN files 2021-01-12 19:10:58 +00:00
call.py [minor] mark scripts as executable 2019-11-21 17:06:27 +00:00
checkdir.py fix print functions for python3 gn scripts 2020-03-06 17:42:39 +00:00
checkpath.py Python3 tweaks 2019-12-17 17:12:03 +00:00
codesign_ios.py Update code-signing script to have better error messages. 2020-11-09 18:41:36 +00:00
compile_ib_files.py Reland "Add launch screen to iOS apps" 2019-09-05 14:05:08 +00:00
compile_processors.py Fix worklist files with skslc. 2020-11-18 19:41:45 +00:00
compile_sksl_tests.py Add .stage output to skslc for runtime effects 2021-02-09 20:11:56 +00:00
copy_git_directory.py GN tools: copy_git_directory.py better error message. 2019-11-19 17:04:18 +00:00
core.gni Add SkReadPixelsRec.h & SkImage_Base.h to core.gni 2021-02-22 21:27:26 +00:00
cp.py Work around python 2 shutil.copy2 date bug 2020-09-28 20:12:13 +00:00
create_sksl_fp.py SkSL include files are now stored in a binary format 2020-07-31 13:48:25 +00:00
dehydrate_sksl.py quiet dehyrdate_sksl unless it fails 2021-01-08 18:14:29 +00:00
effects_imagefilters.gni Remove deprecated morphology image filter headers 2021-02-22 21:50:26 +00:00
effects.gni Hide (unused) SkDrawLooper 2021-02-07 12:49:53 +00:00
find_headers.py Python3 tweaks 2019-12-17 17:12:03 +00:00
find_msvc.py Add Preview to list of possible MSVC versions. 2020-04-30 19:54:33 +00:00
find_xcode_sysroot.py fix print functions for python3 gn scripts 2020-03-06 17:42:39 +00:00
flutter_defines.gni Revert "Opt into new image-shaders with sampling" 2021-02-20 21:28:01 +00:00
fuchsia_defines.gni Enable new clip stack for Fuchsia 2020-10-12 20:41:03 +00:00
gen_plist_ios.py Add product bundle name to iOS Xcode projects 2020-11-16 16:00:56 +00:00
gm.gni Revert "Fix issues with insetting and outsetting quads." 2021-02-22 22:24:09 +00:00
gn_meta_sln.py fix print functions for python3 gn scripts 2020-03-06 17:42:39 +00:00
gn_to_bp_utils.py Silence SkCodecPrintf on Android 2021-01-11 19:48:04 +00:00
gn_to_bp.py Remove some ableist language from infra parts 2021-01-29 17:36:18 +00:00
gn_to_cmake.py Switch GN defs on Mac and iOS to use frameworks, take 3 2020-08-12 17:03:47 +00:00
gpu.gni Delete GrSTArenaList 2021-02-22 20:56:27 +00:00
highest_version_dir.py fix print functions for python3 gn scripts 2020-03-06 17:42:39 +00:00
ios.gni Add ios_min_target. 2020-11-18 21:21:25 +00:00
is_clang.py Fix is_clang python3 encoding errors 2020-06-26 18:41:00 +00:00
make_gm_gni.py GMs: re-sort gni, script to regenerate gni, file name convention 2019-05-02 20:08:37 +00:00
opts.gni add structure for normal SKX opts 2020-06-05 13:48:39 +00:00
pdf.gni Make skia_use_xps option work on Windows 2020-03-24 17:09:33 +00:00
push_to_android.py skia_android_serial = "auto" 2017-01-12 16:30:17 +00:00
rm.py Delete .a file before writing static library. 2020-06-11 17:19:23 +00:00
run_sksllex.py Reland "Fetch clang-format automatically when compiling .fp files." 2020-06-12 13:21:41 +00:00
samples.gni Remove Improved Perlin Noise 2021-01-11 15:27:26 +00:00
shared_sources.gni add structure for normal SKX opts 2020-06-05 13:48:39 +00:00
skia.gni Add UWP support 2021-02-10 19:04:42 +00:00
sksl_tests.gni Fix switch optimization pass. 2021-02-23 15:38:24 +00:00
sksl.gni Migrate convertSwizzle to Swizzle::Make. 2021-02-19 21:26:58 +00:00
tests.gni Allow optional targets to specify tests. 2021-02-18 19:32:55 +00:00
utils.gni Directly measure CoreText weight mapping. 2021-01-27 00:15:16 +00:00
xps.gni harmonize rewrite-includes and gn-format checks 2020-04-03 17:00:54 +00:00