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9e67db4af1
This is mostly to test the waters. I'd like to get results from FNT build bots and other bots running on non-x86 platforms. This feature has been pretty heavily tested over the last few months by me, and it fixes several of the execution time regressions caused by the inlining work by preventing inlining decisions from radically impacting block layout. I've seen very large improvements in yacr2 and ackermann benchmarks, along with the expected noise across all of the benchmark suite whenever code layout changes. I've analyzed all of the regressions and fixed them, or found them to be impossible to fix. See my email to llvmdev for more details. I'd like for this to be in 3.1 as it complements the inliner changes, but if any failures are showing up or anyone has concerns, it is just a flag flip and so can be easily turned off. I'm switching it on tonight to try and get at least one run through various folks' performance suites in case SPEC or something else has serious issues with it. I'll watch bots and revert if anything shows up. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154816 91177308-0d34-0410-b5e6-96231b3b80d8
129 lines
3.5 KiB
LLVM
129 lines
3.5 KiB
LLVM
; RUN: llc < %s -march=thumb -mattr=+thumb2 -arm-adjust-jump-tables=0 | not grep tbb
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; Do not use tbb / tbh if any destination is before the jumptable.
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; rdar://7102917
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define i16 @main__getopt_internal_2E_exit_2E_ce(i32, i1 %b) nounwind {
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entry:
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br i1 %b, label %codeRepl127.exitStub, label %newFuncRoot
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newFuncRoot:
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br label %_getopt_internal.exit.ce
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codeRepl127.exitStub: ; preds = %_getopt_internal.exit.ce
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; Add an explicit edge back to before the jump table to ensure this block
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; is placed first.
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br i1 %b, label %newFuncRoot, label %codeRepl127.exitStub.exit
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codeRepl127.exitStub.exit:
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ret i16 0
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parse_options.exit.loopexit.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 1
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bb1.i.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 2
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bb90.i.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 3
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codeRepl104.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 4
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codeRepl113.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 5
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codeRepl51.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 6
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codeRepl70.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 7
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codeRepl119.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 8
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codeRepl93.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 9
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codeRepl101.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 10
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codeRepl120.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 11
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codeRepl89.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 12
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codeRepl45.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 13
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codeRepl58.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 14
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codeRepl46.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 15
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codeRepl50.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 16
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codeRepl52.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 17
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codeRepl53.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 18
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codeRepl61.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 19
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codeRepl85.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 20
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codeRepl97.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 21
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codeRepl79.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 22
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codeRepl102.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 23
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codeRepl54.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 24
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codeRepl57.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 25
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codeRepl103.exitStub: ; preds = %_getopt_internal.exit.ce
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ret i16 26
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_getopt_internal.exit.ce: ; preds = %newFuncRoot
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switch i32 %0, label %codeRepl127.exitStub [
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i32 -1, label %parse_options.exit.loopexit.exitStub
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i32 0, label %bb1.i.exitStub
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i32 63, label %bb90.i.exitStub
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i32 66, label %codeRepl104.exitStub
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i32 67, label %codeRepl113.exitStub
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i32 71, label %codeRepl51.exitStub
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i32 77, label %codeRepl70.exitStub
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i32 78, label %codeRepl119.exitStub
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i32 80, label %codeRepl93.exitStub
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i32 81, label %codeRepl101.exitStub
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i32 82, label %codeRepl120.exitStub
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i32 88, label %codeRepl89.exitStub
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i32 97, label %codeRepl45.exitStub
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i32 98, label %codeRepl58.exitStub
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i32 99, label %codeRepl46.exitStub
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i32 100, label %codeRepl50.exitStub
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i32 104, label %codeRepl52.exitStub
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i32 108, label %codeRepl53.exitStub
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i32 109, label %codeRepl61.exitStub
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i32 110, label %codeRepl85.exitStub
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i32 111, label %codeRepl97.exitStub
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i32 113, label %codeRepl79.exitStub
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i32 114, label %codeRepl102.exitStub
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i32 115, label %codeRepl54.exitStub
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i32 116, label %codeRepl57.exitStub
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i32 118, label %codeRepl103.exitStub
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]
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}
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