1 ; RUN: llc < %s -mtriple x86_64-apple-macosx10.8.0 -disable-cfi | FileCheck %s 2 3 %"struct.dyld::MappedRanges" = type { [400 x %struct.anon], %"struct.dyld::MappedRanges"* } 4 %struct.anon = type { %class.ImageLoader*, i64, i64 } 5 %class.ImageLoader = type { i32 (...)**, i8*, i8*, i32, i64, i64, i32, i32, %"struct.ImageLoader::recursive_lock"*, i16, i16, [4 x i8] } 6 %"struct.ImageLoader::recursive_lock" = type { i32, i32 } 7 8 @G1 = external hidden global %"struct.dyld::MappedRanges", align 8 9 10 declare void @OSMemoryBarrier() optsize 11 12 ; This compact unwind encoding indicates that we could not generate correct 13 ; compact unwind encodings for this function. This then defaults to using the 14 ; DWARF EH frame. 15 ; 16 ; CHECK: .section __LD,__compact_unwind,regular,debug 17 ; CHECK: .quad _func 18 ; CHECK: .long 67108864 ## Compact Unwind Encoding: 0x4000000 19 ; CHECK: .quad 0 ## Personality Function 20 ; CHECK: .quad 0 ## LSDA 21 ; 22 define void @func(%class.ImageLoader* %image) optsize ssp uwtable { 23 entry: 24 br label %for.cond1.preheader 25 26 for.cond1.preheader: ; preds = %for.inc10, %entry 27 %p.019 = phi %"struct.dyld::MappedRanges"* [ @G1, %entry ], [ %1, %for.inc10 ] 28 br label %for.body3 29 30 for.body3: ; preds = %for.inc, %for.cond1.preheader 31 %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.inc ] 32 %image4 = getelementptr inbounds %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 0, i64 %indvars.iv, i32 0 33 %0 = load %class.ImageLoader** %image4, align 8 34 %cmp5 = icmp eq %class.ImageLoader* %0, %image 35 br i1 %cmp5, label %if.then, label %for.inc 36 37 if.then: ; preds = %for.body3 38 tail call void @OSMemoryBarrier() optsize 39 store %class.ImageLoader* null, %class.ImageLoader** %image4, align 8 40 br label %for.inc 41 42 for.inc: ; preds = %if.then, %for.body3 43 %indvars.iv.next = add i64 %indvars.iv, 1 44 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 45 %exitcond = icmp eq i32 %lftr.wideiv, 400 46 br i1 %exitcond, label %for.inc10, label %for.body3 47 48 for.inc10: ; preds = %for.inc 49 %next = getelementptr inbounds %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 1 50 %1 = load %"struct.dyld::MappedRanges"** %next, align 8 51 %cmp = icmp eq %"struct.dyld::MappedRanges"* %1, null 52 br i1 %cmp, label %for.end11, label %for.cond1.preheader 53 54 for.end11: ; preds = %for.inc10 55 ret void 56 } 57
