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Support "z" output constraint #21

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4ntoine opened this issue Dec 26, 2014 · 1 comment
Closed

Support "z" output constraint #21

4ntoine opened this issue Dec 26, 2014 · 1 comment

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@4ntoine
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4ntoine commented Dec 26, 2014 

/Applications/A.app/Contents/Resources/Java/hardware/a/cores/a/wiring_digital.c:176:7: error: 
      invalid output constraint '=z' in asm
        if (*portInputRegister(port) & bit) return HIGH;
             ^
/Applications/A.app/Contents/Resources/Java/hardware/a/cores/a/A.h:146:54: note: expanded
      from macro 'portInputRegister'
#define portInputRegister(P) ( (volatile uint8_t *)( pgm_read_word( port_to_input_PGM + (P))) )
                                                     ^
/Applications/A.app/Contents/Resources/Java/hardware/tools/avr/avr/include/avr/pgmspace.h:705:41: note: 
      expanded from macro 'pgm_read_word'
#define pgm_read_word(address_short)    pgm_read_word_near(address_short)
                                        ^
/Applications/A.app/Contents/Resources/Java/hardware/tools/avr/avr/include/avr/pgmspace.h:418:43: note: 
      expanded from macro 'pgm_read_word_near'
#define pgm_read_word_near(address_short) __LPM_word((uint16_t)(address_short))
                                          ^
/Applications/A.app/Contents/Resources/Java/hardware/tools/avr/avr/include/avr/pgmspace.h:399:29: note: 
      expanded from macro '__LPM_word'
#define __LPM_word(addr)    __LPM_word_classic__(addr)
                            ^
/Applications/A.app/Contents/Resources/Java/hardware/tools/avr/avr/include/avr/pgmspace.h:291:28: note: 
      expanded from macro '__LPM_word_classic__'
        : "=r" (__result), "=z" (__addr16)  \
                           ^

code:

#define __LPM_word_classic__(addr)          \
(__extension__({                            \
    uint16_t __addr16 = (uint16_t)(addr);   \
    uint16_t __result;                      \
    __asm__                                 \
    (                                       \
        "lpm"           "\n\t"              \
        "mov %A0, r0"   "\n\t"              \
        "adiw r30, 1"   "\n\t"              \
        "lpm"           "\n\t"              \
        "mov %B0, r0"   "\n\t"              \
        : "=r" (__result), "=z" (__addr16)  \
        : "1" (__addr16)                    \
        : "r0"                              \
    );                                      \
    __result;                               \
}))
@dylanmckay
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Closing because the issue is a symptom of issue #23

@4ntoine 4ntoine mentioned this issue Dec 30, 2014
Closed
dylanmckay pushed a commit that referenced this issue Mar 28, 2015
@ahmedbougacha
[CodeGen][IfCvt] Don't re-ifcvt blocks with unanalyzable terminators.
995f4f8 
If we couldn't analyze its terminator (i.e., it's an indirectbr, or some
other weirdness), we can't safely re-if-convert a predicated block,
because we can't tell whether the predicated terminator can
fallthrough (it does).

Currently, we would completely ignore the fallthrough successor. In
the added testcase, this means we used to generate:

    ...
  @ %entry:
    cmp   r5, #21
    ittt  ne
  @ %cc1f:
    cmpne r7, #42
  @ %cc2t:
    strne.w       r5, [r8]
    movne pc, r10
  @ %cc1t:
    ...

Whereas the successor of %cc1f was originally %bb1.
With the fix, we get the correct:

    ...
  @ %entry:
    cmp   r5, #21
    itt   eq
  @ %cc1t:
    streq.w       r5, [r11]
    moveq pc, r0
  @ %cc1f:
    cmp   r7, #42
    itt   ne
  @ %cc2t:
    strne.w       r5, [r8]
    movne pc, r10
  @ %bb1:
    ...

rdar://20192768
Differential Revision: http://reviews.llvm.org/D8509


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232872 91177308-0d34-0410-b5e6-96231b3b80d8
dylanmckay pushed a commit that referenced this issue Mar 3, 2016
@asl
MSP430InstrInfo::loadRegFromStackSlot forgets to set register def.
bb22f01 
Summary:
For instance, compiling the below results in a panic:

```
llc: ../lib/CodeGen/InlineSpiller.cpp:1140: bool (anonymous namespace)::InlineSpiller::foldMemoryOperand(ArrayRef<std::pair<MachineInstr *, unsigned int> >, llvm::MachineInstr *): Assertion `MO->isDead() && "Cannot fold physreg def"' failed.
#0 0x00007f50fbcf353e llvm::sys::PrintStackTrace(llvm::raw_ostream&) /home/h/3rd/llvm/build/../lib/Support/Unix/Signals.inc:321:15
#1 0x00007f50fbcf3929 PrintStackTraceSignalHandler(void*) /home/h/3rd/llvm/build/../lib/Support/Unix/Signals.inc:380:1
#2 0x00007f50fbcf22a3 llvm::sys::RunSignalHandlers() /home/h/3rd/llvm/build/../lib/Support/Signals.cpp:45:5
#3 0x00007f50fbcf3bb4 SignalHandler(int) /home/h/3rd/llvm/build/../lib/Support/Unix/Signals.inc:210:1
#4 0x00007f50fa87a180 (/lib/x86_64-linux-gnu/libc.so.6+0x35180)
#5 0x00007f50fa87a107 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x35107)
#6 0x00007f50fa87b4e8 abort (/lib/x86_64-linux-gnu/libc.so.6+0x364e8)
#7 0x00007f50fa873226 (/lib/x86_64-linux-gnu/libc.so.6+0x2e226)
#8 0x00007f50fa8732d2 (/lib/x86_64-linux-gnu/libc.so.6+0x2e2d2)
#9 0x00007f50fddd9287 (anonymous namespace)::InlineSpiller::foldMemoryOperand(llvm::ArrayRef<std::pair<llvm::MachineInstr*, unsigned int> >, llvm::MachineInstr*) /home/h/3rd/llvm/build/../lib/CodeGen/InlineSpiller.cpp:1141:21
#10 0x00007f50fddd9ee9 (anonymous namespace)::InlineSpiller::spillAroundUses(unsigned int) /home/h/3rd/llvm/build/../lib/CodeGen/InlineSpiller.cpp:1286:9
#11 0x00007f50fddd388b (anonymous namespace)::InlineSpiller::spillAll() /home/h/3rd/llvm/build/../lib/CodeGen/InlineSpiller.cpp:1338:21
#12 0x00007f50fddd221d (anonymous namespace)::InlineSpiller::spill(llvm::LiveRangeEdit&) /home/h/3rd/llvm/build/../lib/CodeGen/InlineSpiller.cpp:1391:3
#13 0x00007f50fdfd921b (anonymous namespace)::RAGreedy::selectOrSplitImpl(llvm::LiveInterval&, llvm::SmallVectorImpl<unsigned int>&, llvm::SmallSet<unsigned int, 16u, std::less<unsigned int> >&, unsigned int) /home/h/3rd/llvm/build/../lib/CodeGen/RegAllocGreedy.cpp:2555:5
#14 0x00007f50fdfd647b (anonymous namespace)::RAGreedy::selectOrSplit(llvm::LiveInterval&, llvm::SmallVectorImpl<unsigned int>&) /home/h/3rd/llvm/build/../lib/CodeGen/RegAllocGreedy.cpp:2221:12
#15 0x00007f50fdfc89f9 llvm::RegAllocBase::allocatePhysRegs() /home/h/3rd/llvm/build/../lib/CodeGen/RegAllocBase.cpp:110:14
#16 0x00007f50fdfd6337 (anonymous namespace)::RAGreedy::runOnMachineFunction(llvm::MachineFunction&) /home/h/3rd/llvm/build/../lib/CodeGen/RegAllocGreedy.cpp:2611:3
#17 0x00007f50fded33ee llvm::MachineFunctionPass::runOnFunction(llvm::Function&) /home/h/3rd/llvm/build/../lib/CodeGen/MachineFunctionPass.cpp:43:3
#18 0x00007f50fd6cdc6f llvm::FPPassManager::runOnFunction(llvm::Function&) /home/h/3rd/llvm/build/../lib/IR/LegacyPassManager.cpp:1550:23
#19 0x00007f50fd6cdf85 llvm::FPPassManager::runOnModule(llvm::Module&) /home/h/3rd/llvm/build/../lib/IR/LegacyPassManager.cpp:1571:16
#20 0x00007f50fd6ce71a (anonymous namespace)::MPPassManager::runOnModule(llvm::Module&) /home/h/3rd/llvm/build/../lib/IR/LegacyPassManager.cpp:1627:23
#21 0x00007f50fd6ce246 llvm::legacy::PassManagerImpl::run(llvm::Module&) /home/h/3rd/llvm/build/../lib/IR/LegacyPassManager.cpp:1730:16
#22 0x00007f50fd6cec31 llvm::legacy::PassManager::run(llvm::Module&) /home/h/3rd/llvm/build/../lib/IR/LegacyPassManager.cpp:1761:3
#23 0x0000000000415bdc compileModule(char**, llvm::LLVMContext&) /home/h/3rd/llvm/build/../tools/llc/llc.cpp:405:5
#24 0x0000000000414571 main /home/h/3rd/llvm/build/../tools/llc/llc.cpp:211:13
#25 0x00007f50fa866b45 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b45)
#26 0x0000000000414296 _start (/home/h/3rd/llvm/build/bin/llc+0x414296)
Stack dump:
0.	Program arguments: ./bin/llc -mtriple msp430 loadstore.ll 
1.	Running pass 'Function Pass Manager' on module 'loadstore.ll'.
2.	Running pass 'Greedy Register Allocator' on function '@inc'
```

Original IR:

```llvm
%struct.VeryLarge = type { i8, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }

; Function Attrs: norecurse nounwind
define void @inc(%struct.VeryLarge* noalias nocapture sret %agg.result, %struct.VeryLarge* byval align 1 %s) #0 {
entry:
  %p0 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 0
  %0 = load i8, i8* %p0, align 1, !tbaa !1
  %p1 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 1
  %1 = load i32, i32* %p1, align 1, !tbaa !6
  %p2 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 2
  %2 = load i32, i32* %p2, align 1, !tbaa !7
  %p3 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 3
  %3 = load i32, i32* %p3, align 1, !tbaa !8
  %p4 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 4
  %4 = load i32, i32* %p4, align 1, !tbaa !9
  %p5 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 5
  %5 = load i32, i32* %p5, align 1, !tbaa !10
  %p6 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 6
  %6 = load i32, i32* %p6, align 1, !tbaa !11
  %p7 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 7
  %7 = load i32, i32* %p7, align 1, !tbaa !12
  %p8 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 8
  %8 = load i32, i32* %p8, align 1, !tbaa !13
  %p9 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 9
  %9 = load i32, i32* %p9, align 1, !tbaa !14
  %p10 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 10
  %10 = load i32, i32* %p10, align 1, !tbaa !15
  %p11 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 11
  %11 = load i32, i32* %p11, align 1, !tbaa !16
  %p12 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 12
  %12 = load i32, i32* %p12, align 1, !tbaa !17
  %p13 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 13
  %13 = load i32, i32* %p13, align 1, !tbaa !18
  %p14 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 14
  %14 = load i32, i32* %p14, align 1, !tbaa !19
  %p15 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 15
  %15 = load i32, i32* %p15, align 1, !tbaa !20
  %p16 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 16
  %16 = load i32, i32* %p16, align 1, !tbaa !21
  %p17 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 17
  %17 = load i32, i32* %p17, align 1, !tbaa !22
  %p18 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 18
  %18 = load i32, i32* %p18, align 1, !tbaa !23
  %p19 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 19
  %19 = load i32, i32* %p19, align 1, !tbaa !24
  %p20 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 20
  %20 = load i32, i32* %p20, align 1, !tbaa !25
  %p21 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 21
  %21 = load i32, i32* %p21, align 1, !tbaa !26
  %p22 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 22
  %22 = load i32, i32* %p22, align 1, !tbaa !27
  %p23 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 23
  %23 = load i32, i32* %p23, align 1, !tbaa !28
  %p24 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 24
  %24 = load i32, i32* %p24, align 1, !tbaa !29
  %p25 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 25
  %25 = load i32, i32* %p25, align 1, !tbaa !30
  %p26 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 26
  %26 = load i32, i32* %p26, align 1, !tbaa !31
  %p27 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 27
  %27 = load i32, i32* %p27, align 1, !tbaa !32
  %p28 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 28
  %28 = load i32, i32* %p28, align 1, !tbaa !33
  %p29 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 29
  %29 = load i32, i32* %p29, align 1, !tbaa !34
  %p30 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 30
  %30 = load i32, i32* %p30, align 1, !tbaa !35
  %p31 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 31
  %31 = load i32, i32* %p31, align 1, !tbaa !36
  %p32 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %s, i32 0, i32 32
  %32 = load i32, i32* %p32, align 1, !tbaa !37
  %add = add i8 %0, 1
  store i8 %add, i8* %p0, align 1, !tbaa !1
  %add2 = add i32 %1, 2
  store i32 %add2, i32* %p1, align 1, !tbaa !6
  %add3 = add i32 %2, 3
  store i32 %add3, i32* %p2, align 1, !tbaa !7
  %add4 = add i32 %3, 4
  store i32 %add4, i32* %p3, align 1, !tbaa !8
  %add5 = add i32 %4, 5
  store i32 %add5, i32* %p4, align 1, !tbaa !9
  %add6 = add i32 %5, 6
  store i32 %add6, i32* %p5, align 1, !tbaa !10
  %add7 = add i32 %6, 7
  store i32 %add7, i32* %p6, align 1, !tbaa !11
  %add8 = add i32 %7, 8
  store i32 %add8, i32* %p7, align 1, !tbaa !12
  %add9 = add i32 %8, 9
  store i32 %add9, i32* %p8, align 1, !tbaa !13
  %add10 = add i32 %9, 10
  store i32 %add10, i32* %p9, align 1, !tbaa !14
  %add11 = add i32 %10, 11
  store i32 %add11, i32* %p10, align 1, !tbaa !15
  %add12 = add i32 %11, 12
  store i32 %add12, i32* %p11, align 1, !tbaa !16
  %add13 = add i32 %12, 13
  store i32 %add13, i32* %p12, align 1, !tbaa !17
  %add14 = add i32 %13, 14
  store i32 %add14, i32* %p13, align 1, !tbaa !18
  %add15 = add i32 %14, 15
  store i32 %add15, i32* %p14, align 1, !tbaa !19
  %add16 = add i32 %15, 16
  store i32 %add16, i32* %p15, align 1, !tbaa !20
  %add17 = add i32 %16, 17
  store i32 %add17, i32* %p16, align 1, !tbaa !21
  %add18 = add i32 %17, 18
  store i32 %add18, i32* %p17, align 1, !tbaa !22
  %add19 = add i32 %18, 19
  store i32 %add19, i32* %p18, align 1, !tbaa !23
  %add20 = add i32 %19, 20
  store i32 %add20, i32* %p19, align 1, !tbaa !24
  %add21 = add i32 %20, 21
  store i32 %add21, i32* %p20, align 1, !tbaa !25
  %add22 = add i32 %21, 22
  store i32 %add22, i32* %p21, align 1, !tbaa !26
  %add23 = add i32 %22, 23
  store i32 %add23, i32* %p22, align 1, !tbaa !27
  %add24 = add i32 %23, 24
  store i32 %add24, i32* %p23, align 1, !tbaa !28
  %add25 = add i32 %24, 25
  store i32 %add25, i32* %p24, align 1, !tbaa !29
  %add26 = add i32 %25, 26
  store i32 %add26, i32* %p25, align 1, !tbaa !30
  %add27 = add i32 %26, 27
  store i32 %add27, i32* %p26, align 1, !tbaa !31
  %add28 = add i32 %27, 28
  store i32 %add28, i32* %p27, align 1, !tbaa !32
  %add29 = add i32 %28, 29
  store i32 %add29, i32* %p28, align 1, !tbaa !33
  %add30 = add i32 %29, 30
  store i32 %add30, i32* %p29, align 1, !tbaa !34
  %add31 = add i32 %30, 31
  store i32 %add31, i32* %p30, align 1, !tbaa !35
  %add32 = add i32 %31, 32
  store i32 %add32, i32* %p31, align 1, !tbaa !36
  %add33 = add i32 %32, 33
  store i32 %add33, i32* %p32, align 1, !tbaa !37
  %33 = getelementptr inbounds %struct.VeryLarge, %struct.VeryLarge* %agg.result, i32 0, i32 0
  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %33, i8* %p0, i32 129, i32 1, i1 false), !tbaa.struct !38
  ret void
}

; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1

attributes #0 = { norecurse nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { argmemonly nounwind }

!llvm.ident = !{!0}

!0 = !{!"clang version 3.8.0 (git://github.com/llvm-mirror/clang 40ef2b7531472c41212c4719a9294aeb7bddebbc) (git://github.com/llvm-mirror/llvm c601eaf55606dfb9ad372b514b77aa00d1409be1)"}
!1 = !{!2, !3, i64 0}
!2 = !{!"", !3, i64 0, !5, i64 1, !5, i64 5, !5, i64 9, !5, i64 13, !5, i64 17, !5, i64 21, !5, i64 25, !5, i64 29, !5, i64 33, !5, i64 37, !5, i64 41, !5, i64 45, !5, i64 49, !5, i64 53, !5, i64 57, !5, i64 61, !5, i64 65, !5, i64 69, !5, i64 73, !5, i64 77, !5, i64 81, !5, i64 85, !5, i64 89, !5, i64 93, !5, i64 97, !5, i64 101, !5, i64 105, !5, i64 109, !5, i64 113, !5, i64 117, !5, i64 121, !5, i64 125}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C/C++ TBAA"}
!5 = !{!"int", !3, i64 0}
!6 = !{!2, !5, i64 1}
!7 = !{!2, !5, i64 5}
!8 = !{!2, !5, i64 9}
!9 = !{!2, !5, i64 13}
!10 = !{!2, !5, i64 17}
!11 = !{!2, !5, i64 21}
!12 = !{!2, !5, i64 25}
!13 = !{!2, !5, i64 29}
!14 = !{!2, !5, i64 33}
!15 = !{!2, !5, i64 37}
!16 = !{!2, !5, i64 41}
!17 = !{!2, !5, i64 45}
!18 = !{!2, !5, i64 49}
!19 = !{!2, !5, i64 53}
!20 = !{!2, !5, i64 57}
!21 = !{!2, !5, i64 61}
!22 = !{!2, !5, i64 65}
!23 = !{!2, !5, i64 69}
!24 = !{!2, !5, i64 73}
!25 = !{!2, !5, i64 77}
!26 = !{!2, !5, i64 81}
!27 = !{!2, !5, i64 85}
!28 = !{!2, !5, i64 89}
!29 = !{!2, !5, i64 93}
!30 = !{!2, !5, i64 97}
!31 = !{!2, !5, i64 101}
!32 = !{!2, !5, i64 105}
!33 = !{!2, !5, i64 109}
!34 = !{!2, !5, i64 113}
!35 = !{!2, !5, i64 117}
!36 = !{!2, !5, i64 121}
!37 = !{!2, !5, i64 125}
!38 = !{i64 0, i64 1, !39, i64 1, i64 4, !40, i64 5, i64 4, !40, i64 9, i64 4, !40, i64 13, i64 4, !40, i64 17, i64 4, !40, i64 21, i64 4, !40, i64 25, i64 4, !40, i64 29, i64 4, !40, i64 33, i64 4, !40, i64 37, i64 4, !40, i64 41, i64 4, !40, i64 45, i64 4, !40, i64 49, i64 4, !40, i64 53, i64 4, !40, i64 57, i64 4, !40, i64 61, i64 4, !40, i64 65, i64 4, !40, i64 69, i64 4, !40, i64 73, i64 4, !40, i64 77, i64 4, !40, i64 81, i64 4, !40, i64 85, i64 4, !40, i64 89, i64 4, !40, i64 93, i64 4, !40, i64 97, i64 4, !40, i64 101, i64 4, !40, i64 105, i64 4, !40, i64 109, i64 4, !40, i64 113, i64 4, !40, i64 117, i64 4, !40, i64 121, i64 4, !40, i64 125, i64 4, !40}
!39 = !{!3, !3, i64 0}
!40 = !{!5, !5, i64 0}
```



Reviewers: asl

Subscribers: qcolombet

Differential Revision: http://reviews.llvm.org/D17441

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261746 91177308-0d34-0410-b5e6-96231b3b80d8
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