[llvm-commits] [llvm] r54172 - in /llvm/trunk: lib/CodeGen/BranchFolding.cpp test/CodeGen/Generic/2008-07-29-EHLabel.ll
Evan Cheng
evan.cheng at apple.com
Sat Aug 30 02:06:26 PDT 2008
Hi Duncan,
This run line isn't portable.
; RUN: llvm-as < %s | llc -o - | as -o /dev/null
For example, if my llc is defaulting x86-64 codegen (for when it's
build with -m64) and the as is defaulting to x86, it will not work.
Any ideas on how to fix this?
Evan
On Jul 29, 2008, at 1:56 PM, Duncan Sands wrote:
> Author: baldrick
> Date: Tue Jul 29 15:56:02 2008
> New Revision: 54172
>
> URL: http://llvm.org/viewvc/llvm-project?rev=54172&view=rev
> Log:
> Fix PR2609. If a label is deleted, then it needs
> to be marked invalid regardless of whether it is
> a debug, an exception handling or (hopefully) a
> GC label.
>
> Added:
> llvm/trunk/test/CodeGen/Generic/2008-07-29-EHLabel.ll
> Modified:
> llvm/trunk/lib/CodeGen/BranchFolding.cpp
>
> Modified: llvm/trunk/lib/CodeGen/BranchFolding.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/BranchFolding.cpp?rev=54172&r1=54171&r2=54172&view=diff
>
> =
> =
> =
> =
> =
> =
> =
> =
> ======================================================================
> --- llvm/trunk/lib/CodeGen/BranchFolding.cpp (original)
> +++ llvm/trunk/lib/CodeGen/BranchFolding.cpp Tue Jul 29 15:56:02 2008
> @@ -114,15 +114,14 @@
> while (!MBB->succ_empty())
> MBB->removeSuccessor(MBB->succ_end()-1);
>
> - // If there is DWARF info to active, check to see if there are
> any DBG_LABEL
> - // records in the basic block. If so, unregister them from
> MachineModuleInfo.
> + // If there are any labels in the basic block, unregister them from
> + // MachineModuleInfo.
> if (MMI && !MBB->empty()) {
> for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end();
> I != E; ++I) {
> - if ((unsigned)I->getOpcode() == TargetInstrInfo::DBG_LABEL) {
> + if (I->isLabel())
> // The label ID # is always operand #0, an immediate.
> MMI->InvalidateLabel(I->getOperand(0).getImm());
> - }
> }
> }
>
>
> Added: llvm/trunk/test/CodeGen/Generic/2008-07-29-EHLabel.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Generic/2008-07-29-EHLabel.ll?rev=54172&view=auto
>
> =
> =
> =
> =
> =
> =
> =
> =
> ======================================================================
> --- llvm/trunk/test/CodeGen/Generic/2008-07-29-EHLabel.ll (added)
> +++ llvm/trunk/test/CodeGen/Generic/2008-07-29-EHLabel.ll Tue Jul 29
> 15:56:02 2008
> @@ -0,0 +1,282 @@
> +; RUN: llvm-as < %s | llc -o - | as -o /dev/null
> +; PR2609
> + %struct..0._11 = type { i32 }
> + %struct..1__pthread_mutex_s = type { i32, i32, i32, i32, i32,
> %struct..0._11 }
> + %struct.pthread_attr_t = type { i32, [32 x i8] }
> + %struct.pthread_mutex_t = type { %struct..1__pthread_mutex_s }
> + %"struct.std::__ctype_abstract_base<wchar_t>" = type
> { %"struct.std::locale::facet" }
> + %"struct.std::basic_ios<char,std::char_traits<char> >" = type
> { %"struct.std::ios_base",
> %"struct.std::basic_ostream<char,std::char_traits<char> >"*, i8, i8,
> %"struct.std::basic_streambuf<char,std::char_traits<char> >"*,
> %"struct.std::ctype<char>"*,
> %"struct.std::__ctype_abstract_base<wchar_t>"*,
> %"struct.std::__ctype_abstract_base<wchar_t>"* }
> + %"struct.std::basic_istream<char,std::char_traits<char> >" = type
> { i32 (...)**, i32,
> %"struct.std::basic_ios<char,std::char_traits<char> >" }
> + %"struct.std::basic_istream<char,std::char_traits<char> >::sentry"
> = type { i8 }
> + %"struct.std::basic_ostream<char,std::char_traits<char> >" = type
> { i32 (...)**, %"struct.std::basic_ios<char,std::char_traits<char>
> >" }
> + %"struct.std::basic_streambuf<char,std::char_traits<char> >" =
> type { i32 (...)**, i8*, i8*, i8*, i8*, i8*, i8*,
> %"struct.std::locale" }
> + %"struct.std::ctype<char>" = type { %"struct.std::locale::facet",
> i32*, i8, i32*, i32*, i16*, i8, [256 x i8], [256 x i8], i8 }
> + %"struct.std::ios_base" = type { i32 (...)**, i32, i32, i32, i32,
> i32, %"struct.std::ios_base::_Callback_list"*,
> %"struct.std::ios_base::_Words", [8 x
> %"struct.std::ios_base::_Words"], i32,
> %"struct.std::ios_base::_Words"*, %"struct.std::locale" }
> + %"struct.std::ios_base::_Callback_list" = type
> { %"struct.std::ios_base::_Callback_list"*, void (i32,
> %"struct.std::ios_base"*, i32)*, i32, i32 }
> + %"struct.std::ios_base::_Words" = type { i8*, i32 }
> + %"struct.std::locale" = type { %"struct.std::locale::_Impl"* }
> + %"struct.std::locale::_Impl" = type { i32,
> %"struct.std::locale::facet"**, i32, %"struct.std::locale::facet"**,
> i8** }
> + %"struct.std::locale::facet" = type { i32 (...)**, i32 }
> +
> + at _ZL20__gthrw_pthread_oncePiPFvvE = alias weak i32 (i32*, void
> ()*)* @pthread_once ; <i32 (i32*, void ()*)*> [#uses=0]
> + at _ZL27__gthrw_pthread_getspecificj = alias weak i8* (i32)*
> @pthread_getspecific ; <i8* (i32)*> [#uses=0]
> + at _ZL27__gthrw_pthread_setspecificjPKv = alias weak i32 (i32, i8*)*
> @pthread_setspecific ; <i32 (i32, i8*)*> [#uses=0]
> + at _ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_ = alias
> weak i32 (i32*, %struct.pthread_attr_t*, i8* (i8*)*, i8*)*
> @pthread_create ; <i32 (i32*, %struct.pthread_attr_t*, i8* (i8*)*,
> i8*)*> [#uses=0]
> + at _ZL22__gthrw_pthread_cancelm = alias weak i32 (i32)*
> @pthread_cancel ; <i32 (i32)*> [#uses=0]
> + at _ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t = alias weak i32
> (%struct.pthread_mutex_t*)* @pthread_mutex_lock ; <i32
> (%struct.pthread_mutex_t*)*> [#uses=0]
> + at _ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t = alias weak
> i32 (%struct.pthread_mutex_t*)* @pthread_mutex_trylock ; <i32
> (%struct.pthread_mutex_t*)*> [#uses=0]
> + at _ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t = alias weak
> i32 (%struct.pthread_mutex_t*)* @pthread_mutex_unlock ; <i32
> (%struct.pthread_mutex_t*)*> [#uses=0]
> +
> @_ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t
> = alias weak i32 (%struct.pthread_mutex_t*, %struct..0._11*)*
> @pthread_mutex_init ; <i32 (%struct.pthread_mutex_t*, %struct..
> 0._11*)*> [#uses=0]
> + at _ZL26__gthrw_pthread_key_createPjPFvPvE = alias weak i32 (i32*,
> void (i8*)*)* @pthread_key_create ; <i32 (i32*, void (i8*)*)*>
> [#uses=0]
> + at _ZL26__gthrw_pthread_key_deletej = alias weak i32 (i32)*
> @pthread_key_delete ; <i32 (i32)*> [#uses=0]
> + at _ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t = alias
> weak i32 (%struct..0._11*)* @pthread_mutexattr_init ; <i32
> (%struct..0._11*)*> [#uses=0]
> + at _ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti =
> alias weak i32 (%struct..0._11*, i32)* @pthread_mutexattr_settype ;
> <i32 (%struct..0._11*, i32)*> [#uses=0]
> + at _ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t =
> alias weak i32 (%struct..0._11*)* @pthread_mutexattr_destroy ; <i32
> (%struct..0._11*)*> [#uses=0]
> +
> +define %"struct.std::basic_istream<char,std::char_traits<char> >"*
> @_ZNSi7getlineEPcic
> (%"struct.std::basic_istream<char,std::char_traits<char> >"* %this,
> i8* %__s, i32 %__n, i8 signext %__delim) {
> +entry:
> + %__cerb = alloca
> %"struct.std::basic_istream<char,std::char_traits<char>
> >::sentry" ; <
> %"struct.std::basic_istream<char,std::char_traits<char> >::sentry"*>
> [#uses=2]
> + getelementptr
> %"struct.std::basic_istream<char,std::char_traits<char> >"* %this,
> i32 0, i32 1 ; <i32*>:0 [#uses=7]
> + store i32 0, i32* %0, align 4
> + call void
> @_ZNSi6sentryC1ERSib
> ( %"struct.std::basic_istream<char,std::char_traits<char>
> >::sentry"* %__cerb,
> %"struct.std::basic_istream<char,std::char_traits<char> >"* %this,
> i8 zeroext 1 )
> + getelementptr
> %"struct.std::basic_istream<char,std::char_traits<char> >::sentry"*
> %__cerb, i32 0, i32 0 ; <i8*>:1 [#uses=1]
> + load i8* %1, align 8 ; <i8>:2 [#uses=1]
> + %toBool = icmp eq i8 %2, 0 ; <i1> [#uses=1]
> + br i1 %toBool, label %bb162, label %bb
> +
> +bb: ; preds = %entry
> + zext i8 %__delim to i32 ; <i32>:3 [#uses=1]
> + getelementptr
> %"struct.std::basic_istream<char,std::char_traits<char> >"* %this,
> i32 0, i32 0 ; <i32 (...)***>:4 [#uses=1]
> + load i32 (...)*** %4, align 4 ; <i32 (...)**>:5 [#uses=1]
> + getelementptr i32 (...)** %5, i32 -3 ; <i32 (...)**>:6 [#uses=1]
> + bitcast i32 (...)** %6 to i32* ; <i32*>:7 [#uses=1]
> + load i32* %7, align 4 ; <i32>:8 [#uses=1]
> + bitcast %"struct.std::basic_istream<char,std::char_traits<char>
> >"* %this to i8* ; <i8*>:9 [#uses=1]
> + %ctg2186 = getelementptr i8* %9, i32 %8 ; <i8*> [#uses=1]
> + bitcast i8* %ctg2186 to
> %"struct.std::basic_ios<char,std::char_traits<char> >"* ; <
> %"struct.std::basic_ios<char,std::char_traits<char> >"*>:10 [#uses=1]
> + getelementptr %"struct.std::basic_ios<char,std::char_traits<char>
> >"* %10, i32 0, i32 4 ; <
> %"struct.std::basic_streambuf<char,std::char_traits<char> >"**>:11
> [#uses=1]
> + load %"struct.std::basic_streambuf<char,std::char_traits<char>
> >"** %11, align 4 ; <
> %"struct.std::basic_streambuf<char,std::char_traits<char> >"*>:12
> [#uses=9]
> + getelementptr
> %"struct.std::basic_streambuf<char,std::char_traits<char> >"* %12,
> i32 0, i32 2 ; <i8**>:13 [#uses=10]
> + load i8** %13, align 4 ; <i8*>:14 [#uses=2]
> + getelementptr
> %"struct.std::basic_streambuf<char,std::char_traits<char> >"* %12,
> i32 0, i32 3 ; <i8**>:15 [#uses=6]
> + load i8** %15, align 4 ; <i8*>:16 [#uses=1]
> + icmp ult i8* %14, %16 ; <i1>:17 [#uses=1]
> + br i1 %17, label %bb81, label %bb82
> +
> +bb81: ; preds = %bb
> + load i8* %14, align 1 ; <i8>:18 [#uses=1]
> + zext i8 %18 to i32 ; <i32>:19 [#uses=1]
> + %.pre = getelementptr
> %"struct.std::basic_streambuf<char,std::char_traits<char> >"* %12,
> i32 0, i32 0 ; <i32 (...)***> [#uses=1]
> + br label %bb119.preheader
> +
> +bb82: ; preds = %bb
> + getelementptr
> %"struct.std::basic_streambuf<char,std::char_traits<char> >"* %12,
> i32 0, i32 0 ; <i32 (...)***>:20 [#uses=2]
> + load i32 (...)*** %20, align 4 ; <i32 (...)**>:21 [#uses=1]
> + getelementptr i32 (...)** %21, i32 9 ; <i32 (...)**>:22 [#uses=1]
> + load i32 (...)** %22, align 4 ; <i32 (...)*>:23 [#uses=1]
> + bitcast i32 (...)* %23 to i32
> (%"struct.std::basic_streambuf<char,std::char_traits<char> >"*)* ;
> <i32 (%"struct.std::basic_streambuf<char,std::char_traits<char>
> >"*)*>:24 [#uses=1]
> + invoke i32
> %24( %"struct.std::basic_streambuf<char,std::char_traits<char> >"*
> %12 )
> + to label %bb119.preheader unwind label %lpad ; <i32>:25 [#uses=1]
> +
> +bb119.preheader: ; preds = %bb82, %bb81
> + %.pre-phi = phi i32 (...)*** [ %.pre, %bb81 ], [ %20, %bb82 ] ;
> <i32 (...)***> [#uses=4]
> + %__c79.0.ph = phi i32 [ %19, %bb81 ], [ %25, %bb82 ] ; <i32>
> [#uses=1]
> + sext i8 %__delim to i32 ; <i32>:26 [#uses=1]
> + br label %bb119
> +
> +bb84: ; preds = %bb119
> + sub i32 %__n, %82 ; <i32>:27 [#uses=1]
> + add i32 %27, -1 ; <i32>:28 [#uses=2]
> + load i8** %15, align 4 ; <i8*>:29 [#uses=1]
> + ptrtoint i8* %29 to i32 ; <i32>:30 [#uses=1]
> + load i8** %13, align 4 ; <i8*>:31 [#uses=3]
> + ptrtoint i8* %31 to i32 ; <i32>:32 [#uses=2]
> + sub i32 %30, %32 ; <i32>:33 [#uses=2]
> + icmp slt i32 %28, %33 ; <i1>:34 [#uses=1]
> + select i1 %34, i32 %28, i32 %33 ; <i32>:35 [#uses=3]
> + icmp sgt i32 %35, 1 ; <i1>:36 [#uses=1]
> + br i1 %36, label %bb90, label %bb99
> +
> +bb90: ; preds = %bb84
> + call i8* @memchr( i8* %31, i32 %26, i32 %35 ) nounwind readonly
> ; <i8*>:37 [#uses=2]
> + icmp eq i8* %37, null ; <i1>:38 [#uses=1]
> + br i1 %38, label %bb93, label %bb92
> +
> +bb92: ; preds = %bb90
> + ptrtoint i8* %37 to i32 ; <i32>:39 [#uses=1]
> + sub i32 %39, %32 ; <i32>:40 [#uses=1]
> + br label %bb93
> +
> +bb93: ; preds = %bb92, %bb90
> + %__size.0 = phi i32 [ %40, %bb92 ], [ %35, %bb90 ] ; <i32>
> [#uses=4]
> + call void @llvm.memcpy.i32( i8* %__s_addr.0, i8* %31, i32 %__size.
> 0, i32 1 )
> + getelementptr i8* %__s_addr.0, i32 %__size.0 ; <i8*>:41 [#uses=3]
> + load i8** %13, align 4 ; <i8*>:42 [#uses=1]
> + getelementptr i8* %42, i32 %__size.0 ; <i8*>:43 [#uses=1]
> + store i8* %43, i8** %13, align 4
> + load i32* %0, align 4 ; <i32>:44 [#uses=1]
> + add i32 %44, %__size.0 ; <i32>:45 [#uses=1]
> + store i32 %45, i32* %0, align 4
> + load i8** %13, align 4 ; <i8*>:46 [#uses=2]
> + load i8** %15, align 4 ; <i8*>:47 [#uses=1]
> + icmp ult i8* %46, %47 ; <i1>:48 [#uses=1]
> + br i1 %48, label %bb95, label %bb96
> +
> +bb95: ; preds = %bb93
> + load i8* %46, align 1 ; <i8>:49 [#uses=1]
> + zext i8 %49 to i32 ; <i32>:50 [#uses=1]
> + br label %bb119
> +
> +bb96: ; preds = %bb93
> + load i32 (...)*** %.pre-phi, align 4 ; <i32 (...)**>:51 [#uses=1]
> + getelementptr i32 (...)** %51, i32 9 ; <i32 (...)**>:52 [#uses=1]
> + load i32 (...)** %52, align 4 ; <i32 (...)*>:53 [#uses=1]
> + bitcast i32 (...)* %53 to i32
> (%"struct.std::basic_streambuf<char,std::char_traits<char> >"*)* ;
> <i32 (%"struct.std::basic_streambuf<char,std::char_traits<char>
> >"*)*>:54 [#uses=1]
> + invoke i32
> %54( %"struct.std::basic_streambuf<char,std::char_traits<char> >"*
> %12 )
> + to label %bb119 unwind label %lpad ; <i32>:55 [#uses=1]
> +
> +bb99: ; preds = %bb84
> + trunc i32 %__c79.0 to i8 ; <i8>:56 [#uses=1]
> + store i8 %56, i8* %__s_addr.0, align 1
> + getelementptr i8* %__s_addr.0, i32 1 ; <i8*>:57 [#uses=5]
> + load i32* %0, align 4 ; <i32>:58 [#uses=1]
> + add i32 %58, 1 ; <i32>:59 [#uses=1]
> + store i32 %59, i32* %0, align 4
> + load i8** %13, align 4 ; <i8*>:60 [#uses=3]
> + load i8** %15, align 4 ; <i8*>:61 [#uses=1]
> + icmp ult i8* %60, %61 ; <i1>:62 [#uses=1]
> + br i1 %62, label %bb101, label %bb102
> +
> +bb101: ; preds = %bb99
> + load i8* %60, align 1 ; <i8>:63 [#uses=1]
> + zext i8 %63 to i32 ; <i32>:64 [#uses=1]
> + getelementptr i8* %60, i32 1 ; <i8*>:65 [#uses=1]
> + store i8* %65, i8** %13, align 4
> + br label %bb104
> +
> +bb102: ; preds = %bb99
> + load i32 (...)*** %.pre-phi, align 4 ; <i32 (...)**>:66 [#uses=1]
> + getelementptr i32 (...)** %66, i32 10 ; <i32 (...)**>:67 [#uses=1]
> + load i32 (...)** %67, align 4 ; <i32 (...)*>:68 [#uses=1]
> + bitcast i32 (...)* %68 to i32
> (%"struct.std::basic_streambuf<char,std::char_traits<char> >"*)* ;
> <i32 (%"struct.std::basic_streambuf<char,std::char_traits<char>
> >"*)*>:69 [#uses=1]
> + invoke i32
> %69( %"struct.std::basic_streambuf<char,std::char_traits<char> >"*
> %12 )
> + to label %bb104 unwind label %lpad ; <i32>:70 [#uses=1]
> +
> +bb104: ; preds = %bb102, %bb101
> + %__ret44.0 = phi i32 [ %64, %bb101 ], [ %70, %bb102 ] ; <i32>
> [#uses=1]
> + icmp eq i32 %__ret44.0, -1 ; <i1>:71 [#uses=1]
> + br i1 %71, label %bb119, label %bb112
> +
> +bb112: ; preds = %bb104
> + load i8** %13, align 4 ; <i8*>:72 [#uses=2]
> + load i8** %15, align 4 ; <i8*>:73 [#uses=1]
> + icmp ult i8* %72, %73 ; <i1>:74 [#uses=1]
> + br i1 %74, label %bb114, label %bb115
> +
> +bb114: ; preds = %bb112
> + load i8* %72, align 1 ; <i8>:75 [#uses=1]
> + zext i8 %75 to i32 ; <i32>:76 [#uses=1]
> + br label %bb119
> +
> +bb115: ; preds = %bb112
> + load i32 (...)*** %.pre-phi, align 4 ; <i32 (...)**>:77 [#uses=1]
> + getelementptr i32 (...)** %77, i32 9 ; <i32 (...)**>:78 [#uses=1]
> + load i32 (...)** %78, align 4 ; <i32 (...)*>:79 [#uses=1]
> + bitcast i32 (...)* %79 to i32
> (%"struct.std::basic_streambuf<char,std::char_traits<char> >"*)* ;
> <i32 (%"struct.std::basic_streambuf<char,std::char_traits<char>
> >"*)*>:80 [#uses=1]
> + invoke i32
> %80( %"struct.std::basic_streambuf<char,std::char_traits<char> >"*
> %12 )
> + to label %bb119 unwind label %lpad ; <i32>:81 [#uses=1]
> +
> +bb119: ; preds = %bb115, %bb114, %bb104, %bb96, %bb95,
> %bb119.preheader
> + %__c79.0 = phi i32 [ %__c79.0.ph, %bb119.preheader ], [ %50,
> %bb95 ], [ %76, %bb114 ], [ %55, %bb96 ], [ -1, %bb104 ], [ %81,
> %bb115 ] ; <i32> [#uses=3]
> + %__s_addr.0 = phi i8* [ %__s, %bb119.preheader ], [ %41, %bb95 ],
> [ %57, %bb114 ], [ %41, %bb96 ], [ %57, %bb104 ], [ %57, %bb115 ] ;
> <i8*> [#uses=5]
> + load i32* %0, align 4 ; <i32>:82 [#uses=2]
> + add i32 %82, 1 ; <i32>:83 [#uses=2]
> + %.not = icmp sge i32 %83, %__n ; <i1> [#uses=1]
> + icmp eq i32 %__c79.0, -1 ; <i1>:84 [#uses=3]
> + icmp eq i32 %__c79.0, %3 ; <i1>:85 [#uses=2]
> + %or.cond = or i1 %84, %85 ; <i1> [#uses=1]
> + %or.cond188 = or i1 %or.cond, %.not ; <i1> [#uses=1]
> + br i1 %or.cond188, label %bb141, label %bb84
> +
> +bb141: ; preds = %bb119
> + %.not194 = xor i1 %85, true ; <i1> [#uses=1]
> + %brmerge = or i1 %84, %.not194 ; <i1> [#uses=1]
> + %.mux = select i1 %84, i32 2, i32 4 ; <i32> [#uses=0]
> + br i1 %brmerge, label %bb162, label %bb146
> +
> +bb146: ; preds = %bb141
> + store i32 %83, i32* %0, align 4
> + load i8** %13, align 4 ; <i8*>:86 [#uses=2]
> + load i8** %15, align 4 ; <i8*>:87 [#uses=1]
> + icmp ult i8* %86, %87 ; <i1>:88 [#uses=1]
> + br i1 %88, label %bb148, label %bb149
> +
> +bb148: ; preds = %bb146
> + getelementptr i8* %86, i32 1 ; <i8*>:89 [#uses=1]
> + store i8* %89, i8** %13, align 4
> + ret %"struct.std::basic_istream<char,std::char_traits<char> >"*
> %this
> +
> +bb149: ; preds = %bb146
> + load i32 (...)*** %.pre-phi, align 4 ; <i32 (...)**>:90 [#uses=1]
> + getelementptr i32 (...)** %90, i32 10 ; <i32 (...)**>:91 [#uses=1]
> + load i32 (...)** %91, align 4 ; <i32 (...)*>:92 [#uses=1]
> + bitcast i32 (...)* %92 to i32
> (%"struct.std::basic_streambuf<char,std::char_traits<char> >"*)* ;
> <i32 (%"struct.std::basic_streambuf<char,std::char_traits<char>
> >"*)*>:93 [#uses=1]
> + invoke i32
> %93( %"struct.std::basic_streambuf<char,std::char_traits<char> >"*
> %12 )
> + to label %bb162 unwind label %lpad ; <i32>:94 [#uses=0]
> +
> +bb162: ; preds = %bb149, %bb141, %entry
> + ret %"struct.std::basic_istream<char,std::char_traits<char> >"*
> %this
> +
> +lpad: ; preds = %bb149, %bb115, %bb102, %bb96, %bb82
> + %__s_addr.1 = phi i8* [ %__s, %bb82 ], [ %__s_addr.0, %bb149 ],
> [ %41, %bb96 ], [ %57, %bb102 ], [ %57, %bb115 ] ; <i8*> [#uses=0]
> + call void @__cxa_rethrow( ) noreturn
> + unreachable
> +}
> +
> +declare i8* @__cxa_begin_catch(i8*) nounwind
> +
> +declare i8* @llvm.eh.exception() nounwind
> +
> +declare i32 @llvm.eh.selector.i32(i8*, i8*, ...) nounwind
> +
> +declare void @__cxa_rethrow() noreturn
> +
> +declare void @__cxa_end_catch()
> +
> +declare i32 @__gxx_personality_v0(...)
> +
> +declare void
> @_ZNSi6sentryC1ERSib
> (%"struct.std::basic_istream<char,std::char_traits<char>
> >::sentry"*, %"struct.std::basic_istream<char,std::char_traits<char>
> >"*, i8 zeroext )
> +
> +declare i8* @memchr(i8*, i32, i32) nounwind readonly
> +
> +declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind
> +
> +declare void
> @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate
> (%"struct.std::basic_ios<char,std::char_traits<char> >"*, i32)
> +
> +declare extern_weak i32 @pthread_once(i32*, void ()*)
> +
> +declare extern_weak i8* @pthread_getspecific(i32)
> +
> +declare extern_weak i32 @pthread_setspecific(i32, i8*)
> +
> +declare extern_weak i32 @pthread_create(i32*,
> %struct.pthread_attr_t*, i8* (i8*)*, i8*)
> +
> +declare extern_weak i32 @pthread_cancel(i32)
> +
> +declare extern_weak i32 @pthread_mutex_lock(%struct.pthread_mutex_t*)
> +
> +declare extern_weak i32
> @pthread_mutex_trylock(%struct.pthread_mutex_t*)
> +
> +declare extern_weak i32
> @pthread_mutex_unlock(%struct.pthread_mutex_t*)
> +
> +declare extern_weak i32
> @pthread_mutex_init(%struct.pthread_mutex_t*, %struct..0._11*)
> +
> +declare extern_weak i32 @pthread_key_create(i32*, void (i8*)*)
> +
> +declare extern_weak i32 @pthread_key_delete(i32)
> +
> +declare extern_weak i32 @pthread_mutexattr_init(%struct..0._11*)
> +
> +declare extern_weak i32 @pthread_mutexattr_settype(%struct..0._11*,
> i32)
> +
> +declare extern_weak i32 @pthread_mutexattr_destroy(%struct..0._11*)
>
>
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