Roll SwiftShader from e576ca6011cd to 8ccc63f045d5 (4 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/e576ca6011cd..8ccc63f045d5

2022-02-08 kramerb@google.com Avoid deprecated llvm::IRBuilder::CreateShuffleVector overload
2022-02-08 capn@google.com Unroll transcendentals benchmarks by 10x
2022-02-08 swiftshader.regress@gmail.com Regres: Update test lists @ e576ca60
2022-02-08 capn@google.com Remove Vulkan structure enum to integer casts

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-dawn-autoroll
Please CC amaiorano@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in SwiftShader: https://bugs.chromium.org/p/swiftshader/issues/entry
To file a bug in Dawn: https://bugs.chromium.org/p/dawn/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Tbr: amaiorano@google.com
Change-Id: I2424df1eb78797f0e61beaf2277ea56140cf2a40
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79820
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -133,7 +133,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@e576ca6011cdabd89dd8cc64566cc8d8bc2aa99a',
+    'url': '{swiftshader_git}/SwiftShader@8ccc63f045d5975fb67f9dfd3d2b8235b0526990',
     'condition': 'dawn_standalone',
   },