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57 lines
2.5 KiB
LLVM
57 lines
2.5 KiB
LLVM
; RUN: llc < %s -mtriple x86_64-apple-macosx10.8.0 -disable-cfi | FileCheck %s
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%"struct.dyld::MappedRanges" = type { [400 x %struct.anon], %"struct.dyld::MappedRanges"* }
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%struct.anon = type { %class.ImageLoader*, i64, i64 }
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%class.ImageLoader = type { i32 (...)**, i8*, i8*, i32, i64, i64, i32, i32, %"struct.ImageLoader::recursive_lock"*, i16, i16, [4 x i8] }
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%"struct.ImageLoader::recursive_lock" = type { i32, i32 }
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@G1 = external hidden global %"struct.dyld::MappedRanges", align 8
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declare void @OSMemoryBarrier() optsize
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; This compact unwind encoding indicates that we could not generate correct
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; compact unwind encodings for this function. This then defaults to using the
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; DWARF EH frame.
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;
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; CHECK: .section __LD,__compact_unwind,regular,debug
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; CHECK: .quad _func
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; CHECK: .long 67108864 ## Compact Unwind Encoding: 0x4000000
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; CHECK: .quad 0 ## Personality Function
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; CHECK: .quad 0 ## LSDA
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;
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define void @func(%class.ImageLoader* %image) optsize ssp uwtable {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader: ; preds = %for.inc10, %entry
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%p.019 = phi %"struct.dyld::MappedRanges"* [ @G1, %entry ], [ %1, %for.inc10 ]
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br label %for.body3
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for.body3: ; preds = %for.inc, %for.cond1.preheader
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%indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.inc ]
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%image4 = getelementptr inbounds %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 0, i64 %indvars.iv, i32 0
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%0 = load %class.ImageLoader** %image4, align 8
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%cmp5 = icmp eq %class.ImageLoader* %0, %image
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br i1 %cmp5, label %if.then, label %for.inc
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if.then: ; preds = %for.body3
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tail call void @OSMemoryBarrier() optsize
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store %class.ImageLoader* null, %class.ImageLoader** %image4, align 8
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br label %for.inc
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for.inc: ; preds = %if.then, %for.body3
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, 400
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br i1 %exitcond, label %for.inc10, label %for.body3
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for.inc10: ; preds = %for.inc
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%next = getelementptr inbounds %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 1
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%1 = load %"struct.dyld::MappedRanges"** %next, align 8
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%cmp = icmp eq %"struct.dyld::MappedRanges"* %1, null
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br i1 %cmp, label %for.end11, label %for.cond1.preheader
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for.end11: ; preds = %for.inc10
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ret void
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}
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