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llvm-project/llvm/test/CodeGen/ARM/2009-06-15-RegScavengerAsse...

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Eliminate more uses of llvm-as and llvm-dis. llvm-svn: 81293
2009-09-09 08:09:15 +08:00
; RUN: llc < %s -mtriple=armv6-apple-darwin
If a val# is defined by an implicit_def and it is being removed, all of the copies off the val# were removed. This causes problem later since the scavenger will see uses of registers without defs. The proper solution is to change the copies into implicit_def's instead. TurnCopyIntoImpDef turns a copy into implicit_def and remove the val# defined by it. This causes an scavenger assertion later if the def reaches other blocks. Disable the transformation if the value live interval extends beyond its def block. llvm-svn: 73478
2009-06-16 15:12:58 +08:00
%struct.term = type { i32, i32, i32 }
declare fastcc i8* @memory_Malloc(i32) nounwind
define fastcc %struct.term* @t1() nounwind {
entry:
br i1 undef, label %bb, label %bb1
bb: ; preds = %entry
ret %struct.term* undef
bb1: ; preds = %entry
%0 = tail call fastcc i8* @memory_Malloc(i32 12) nounwind ; <i8*> [#uses=0]
%1 = tail call fastcc i8* @memory_Malloc(i32 12) nounwind ; <i8*> [#uses=0]
ret %struct.term* undef
}
define i32 @t2(i32 %argc, i8** nocapture %argv) nounwind {
entry:
br label %bb6.i8
bb6.i8: ; preds = %memory_CalculateRealBlockSize1374.exit.i, %entry
br i1 undef, label %memory_CalculateRealBlockSize1374.exit.i, label %bb.i.i9
bb.i.i9: ; preds = %bb6.i8
br label %memory_CalculateRealBlockSize1374.exit.i
memory_CalculateRealBlockSize1374.exit.i: ; preds = %bb.i.i9, %bb6.i8
%0 = phi i32 [ undef, %bb.i.i9 ], [ undef, %bb6.i8 ] ; <i32> [#uses=2]
store i32 %0, i32* undef, align 4
%1 = urem i32 8184, %0 ; <i32> [#uses=1]
%2 = sub i32 8188, %1 ; <i32> [#uses=1]
store i32 %2, i32* undef, align 4
br i1 undef, label %memory_Init.exit, label %bb6.i8
memory_Init.exit: ; preds = %memory_CalculateRealBlockSize1374.exit.i
br label %bb.i.i
bb.i.i: ; preds = %bb.i.i, %memory_Init.exit
br i1 undef, label %symbol_Init.exit, label %bb.i.i
symbol_Init.exit: ; preds = %bb.i.i
br label %bb.i.i67
bb.i.i67: ; preds = %bb.i.i67, %symbol_Init.exit
br i1 undef, label %symbol_CreatePrecedence3522.exit, label %bb.i.i67
symbol_CreatePrecedence3522.exit: ; preds = %bb.i.i67
br label %bb.i.i8.i
bb.i.i8.i: ; preds = %bb.i.i8.i, %symbol_CreatePrecedence3522.exit
br i1 undef, label %cont_Create.exit9.i, label %bb.i.i8.i
cont_Create.exit9.i: ; preds = %bb.i.i8.i
br label %bb.i.i.i72
bb.i.i.i72: ; preds = %bb.i.i.i72, %cont_Create.exit9.i
br i1 undef, label %cont_Init.exit, label %bb.i.i.i72
cont_Init.exit: ; preds = %bb.i.i.i72
br label %bb.i103
bb.i103: ; preds = %bb.i103, %cont_Init.exit
br i1 undef, label %subs_Init.exit, label %bb.i103
subs_Init.exit: ; preds = %bb.i103
br i1 undef, label %bb1.i.i.i80, label %cc_Init.exit
bb1.i.i.i80: ; preds = %subs_Init.exit
unreachable
cc_Init.exit: ; preds = %subs_Init.exit
br label %bb.i.i375
bb.i.i375: ; preds = %bb.i.i375, %cc_Init.exit
br i1 undef, label %bb.i439, label %bb.i.i375
bb.i439: ; preds = %bb.i439, %bb.i.i375
br i1 undef, label %opts_DeclareSPASSFlagsAsOptions.exit, label %bb.i439
opts_DeclareSPASSFlagsAsOptions.exit: ; preds = %bb.i439
br i1 undef, label %opts_TranslateShortOptDeclarations.exit.i, label %bb.i.i82
bb.i.i82: ; preds = %opts_DeclareSPASSFlagsAsOptions.exit
unreachable
opts_TranslateShortOptDeclarations.exit.i: ; preds = %opts_DeclareSPASSFlagsAsOptions.exit
br i1 undef, label %list_Length.exit.i.thread.i, label %bb.i.i4.i
list_Length.exit.i.thread.i: ; preds = %opts_TranslateShortOptDeclarations.exit.i
br i1 undef, label %bb18.i.i.i, label %bb26.i.i.i
bb.i.i4.i: ; preds = %opts_TranslateShortOptDeclarations.exit.i
unreachable
bb18.i.i.i: ; preds = %list_Length.exit.i.thread.i
unreachable
bb26.i.i.i: ; preds = %list_Length.exit.i.thread.i
br i1 undef, label %bb27.i142, label %opts_GetOptLongOnly.exit.thread97.i
opts_GetOptLongOnly.exit.thread97.i: ; preds = %bb26.i.i.i
br label %bb27.i142
bb27.i142: ; preds = %opts_GetOptLongOnly.exit.thread97.i, %bb26.i.i.i
br label %bb1.i3.i
bb1.i3.i: ; preds = %bb1.i3.i, %bb27.i142
br i1 undef, label %opts_FreeLongOptsArray.exit.i, label %bb1.i3.i
opts_FreeLongOptsArray.exit.i: ; preds = %bb1.i3.i
br label %bb.i443
bb.i443: ; preds = %bb.i443, %opts_FreeLongOptsArray.exit.i
br i1 undef, label %flag_InitStoreByDefaults3542.exit, label %bb.i443
flag_InitStoreByDefaults3542.exit: ; preds = %bb.i443
br i1 undef, label %bb6.i449, label %bb.i503
bb6.i449: ; preds = %flag_InitStoreByDefaults3542.exit
unreachable
bb.i503: ; preds = %bb.i503, %flag_InitStoreByDefaults3542.exit
br i1 undef, label %flag_CleanStore3464.exit, label %bb.i503
flag_CleanStore3464.exit: ; preds = %bb.i503
br i1 undef, label %bb1.i81.i.preheader, label %bb.i173
bb.i173: ; preds = %flag_CleanStore3464.exit
unreachable
bb1.i81.i.preheader: ; preds = %flag_CleanStore3464.exit
br i1 undef, label %bb1.i64.i.preheader, label %bb5.i179
bb5.i179: ; preds = %bb1.i81.i.preheader
unreachable
bb1.i64.i.preheader: ; preds = %bb1.i81.i.preheader
br i1 undef, label %dfg_DeleteProofList.exit.i, label %bb.i9.i
bb.i9.i: ; preds = %bb1.i64.i.preheader
unreachable
dfg_DeleteProofList.exit.i: ; preds = %bb1.i64.i.preheader
br i1 undef, label %term_DeleteTermList621.exit.i, label %bb.i.i62.i
bb.i.i62.i: ; preds = %bb.i.i62.i, %dfg_DeleteProofList.exit.i
br i1 undef, label %term_DeleteTermList621.exit.i, label %bb.i.i62.i
term_DeleteTermList621.exit.i: ; preds = %bb.i.i62.i, %dfg_DeleteProofList.exit.i
br i1 undef, label %dfg_DFGParser.exit, label %bb.i.i211
bb.i.i211: ; preds = %term_DeleteTermList621.exit.i
unreachable
dfg_DFGParser.exit: ; preds = %term_DeleteTermList621.exit.i
br label %bb.i513
bb.i513: ; preds = %bb2.i516, %dfg_DFGParser.exit
br i1 undef, label %bb2.i516, label %bb1.i514
bb1.i514: ; preds = %bb.i513
unreachable
bb2.i516: ; preds = %bb.i513
br i1 undef, label %bb.i509, label %bb.i513
bb.i509: ; preds = %bb.i509, %bb2.i516
br i1 undef, label %symbol_TransferPrecedence3468.exit511, label %bb.i509
symbol_TransferPrecedence3468.exit511: ; preds = %bb.i509
br i1 undef, label %bb20, label %bb21
bb20: ; preds = %symbol_TransferPrecedence3468.exit511
unreachable
bb21: ; preds = %symbol_TransferPrecedence3468.exit511
br i1 undef, label %cnf_Init.exit, label %bb.i498
bb.i498: ; preds = %bb21
unreachable
cnf_Init.exit: ; preds = %bb21
br i1 undef, label %bb23, label %bb22
bb22: ; preds = %cnf_Init.exit
br i1 undef, label %bb2.i.i496, label %bb.i.i494
bb.i.i494: ; preds = %bb22
unreachable
bb2.i.i496: ; preds = %bb22
unreachable
bb23: ; preds = %cnf_Init.exit
br i1 undef, label %bb28, label %bb24
bb24: ; preds = %bb23
unreachable
bb28: ; preds = %bb23
br i1 undef, label %bb31, label %bb29
bb29: ; preds = %bb28
unreachable
bb31: ; preds = %bb28
br i1 undef, label %bb34, label %bb32
bb32: ; preds = %bb31
unreachable
bb34: ; preds = %bb31
br i1 undef, label %bb83, label %bb66
bb66: ; preds = %bb34
unreachable
bb83: ; preds = %bb34
br i1 undef, label %bb2.i1668, label %bb.i1667
bb.i1667: ; preds = %bb83
unreachable
bb2.i1668: ; preds = %bb83
br i1 undef, label %bb5.i205, label %bb3.i204
bb3.i204: ; preds = %bb2.i1668
unreachable
bb5.i205: ; preds = %bb2.i1668
br i1 undef, label %bb.i206.i, label %ana_AnalyzeSortStructure.exit.i
bb.i206.i: ; preds = %bb5.i205
br i1 undef, label %bb1.i207.i, label %ana_AnalyzeSortStructure.exit.i
bb1.i207.i: ; preds = %bb.i206.i
br i1 undef, label %bb25.i1801.thread, label %bb.i1688
bb.i1688: ; preds = %bb1.i207.i
unreachable
bb25.i1801.thread: ; preds = %bb1.i207.i
unreachable
ana_AnalyzeSortStructure.exit.i: ; preds = %bb.i206.i, %bb5.i205
br i1 undef, label %bb7.i207, label %bb.i1806
bb.i1806: ; preds = %ana_AnalyzeSortStructure.exit.i
br i1 undef, label %bb2.i.i.i1811, label %bb.i.i.i1809
bb.i.i.i1809: ; preds = %bb.i1806
unreachable
bb2.i.i.i1811: ; preds = %bb.i1806
unreachable
bb7.i207: ; preds = %ana_AnalyzeSortStructure.exit.i
br i1 undef, label %bb9.i, label %bb8.i
bb8.i: ; preds = %bb7.i207
unreachable
bb9.i: ; preds = %bb7.i207
br i1 undef, label %bb23.i, label %bb26.i
bb23.i: ; preds = %bb9.i
br i1 undef, label %bb25.i, label %bb24.i
bb24.i: ; preds = %bb23.i
br i1 undef, label %sort_SortTheoryIsTrivial.exit.i, label %bb.i2093
bb.i2093: ; preds = %bb.i2093, %bb24.i
br label %bb.i2093
sort_SortTheoryIsTrivial.exit.i: ; preds = %bb24.i
br i1 undef, label %bb3.i2141, label %bb4.i2143
bb3.i2141: ; preds = %sort_SortTheoryIsTrivial.exit.i
unreachable
bb4.i2143: ; preds = %sort_SortTheoryIsTrivial.exit.i
br i1 undef, label %bb8.i2178, label %bb5.i2144
bb5.i2144: ; preds = %bb4.i2143
br i1 undef, label %bb7.i2177, label %bb1.i28.i
bb1.i28.i: ; preds = %bb5.i2144
br i1 undef, label %bb4.i43.i, label %bb2.i.i2153
bb2.i.i2153: ; preds = %bb1.i28.i
br i1 undef, label %bb4.i.i33.i, label %bb.i.i30.i
bb.i.i30.i: ; preds = %bb2.i.i2153
unreachable
bb4.i.i33.i: ; preds = %bb2.i.i2153
br i1 undef, label %bb9.i.i36.i, label %bb5.i.i34.i
bb5.i.i34.i: ; preds = %bb4.i.i33.i
unreachable
bb9.i.i36.i: ; preds = %bb4.i.i33.i
br i1 undef, label %bb14.i.i.i2163, label %bb10.i.i37.i
bb10.i.i37.i: ; preds = %bb9.i.i36.i
unreachable
bb14.i.i.i2163: ; preds = %bb9.i.i36.i
br i1 undef, label %sort_LinkPrint.exit.i.i, label %bb15.i.i.i2164
bb15.i.i.i2164: ; preds = %bb14.i.i.i2163
unreachable
sort_LinkPrint.exit.i.i: ; preds = %bb14.i.i.i2163
unreachable
bb4.i43.i: ; preds = %bb1.i28.i
unreachable
bb7.i2177: ; preds = %bb5.i2144
unreachable
bb8.i2178: ; preds = %bb4.i2143
br i1 undef, label %sort_ApproxStaticSortTheory.exit, label %bb.i5.i2185.preheader
bb.i5.i2185.preheader: ; preds = %bb8.i2178
br label %bb.i5.i2185
bb.i5.i2185: ; preds = %bb.i5.i2185, %bb.i5.i2185.preheader
br i1 undef, label %sort_ApproxStaticSortTheory.exit, label %bb.i5.i2185
sort_ApproxStaticSortTheory.exit: ; preds = %bb.i5.i2185, %bb8.i2178
br label %bb25.i
bb25.i: ; preds = %sort_ApproxStaticSortTheory.exit, %bb23.i
unreachable
bb26.i: ; preds = %bb9.i
unreachable
}