104 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 | FileCheck %s
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; rdar://10676853
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%struct.Dict_node_struct = type { i8*, %struct.Word_file_struct*, %struct.Exp_struct*, %struct.Dict_node_struct*, %struct.Dict_node_struct* }
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%struct.Word_file_struct = type { [60 x i8], i32, %struct.Word_file_struct* }
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%struct.Exp_struct = type { i8, i8, i8, i8, %union.anon }
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%union.anon = type { %struct.E_list_struct* }
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%struct.E_list_struct = type { %struct.E_list_struct*, %struct.Exp_struct* }
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@lookup_list = external hidden unnamed_addr global %struct.Dict_node_struct*, align 4
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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define hidden fastcc void @rdictionary_lookup(%struct.Dict_node_struct* %dn, i8* nocapture %s) nounwind ssp {
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; CHECK-LABEL: rdictionary_lookup:
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entry:
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  br label %tailrecurse
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tailrecurse:                                      ; preds = %if.then10, %entry
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  %dn.tr = phi %struct.Dict_node_struct* [ %dn, %entry ], [ %9, %if.then10 ]
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  %cmp = icmp eq %struct.Dict_node_struct* %dn.tr, null
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  br i1 %cmp, label %if.end11, label %if.end
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if.end:                                           ; preds = %tailrecurse
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  %string = getelementptr inbounds %struct.Dict_node_struct, %struct.Dict_node_struct* %dn.tr, i32 0, i32 0
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  %0 = load i8*, i8** %string, align 4
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  br label %while.cond.i
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while.cond.i:                                     ; preds = %while.body.i, %if.end
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  %1 = phi i8* [ %s, %if.end ], [ %incdec.ptr.i, %while.body.i ]
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  %storemerge.i = phi i8* [ %0, %if.end ], [ %incdec.ptr6.i, %while.body.i ]
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  %2 = load i8, i8* %1, align 1
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  %cmp.i = icmp eq i8 %2, 0
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  %.pre.i = load i8, i8* %storemerge.i, align 1
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  br i1 %cmp.i, label %lor.lhs.false.i, label %land.end.i
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land.end.i:                                       ; preds = %while.cond.i
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  %cmp4.i = icmp eq i8 %2, %.pre.i
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  br i1 %cmp4.i, label %while.body.i, label %while.end.i
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while.body.i:                                     ; preds = %land.end.i
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  %incdec.ptr.i = getelementptr inbounds i8, i8* %1, i32 1
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  %incdec.ptr6.i = getelementptr inbounds i8, i8* %storemerge.i, i32 1
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  br label %while.cond.i
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while.end.i:                                      ; preds = %land.end.i
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  %cmp8.i = icmp eq i8 %2, 42
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  br i1 %cmp8.i, label %if.end3, label %lor.lhs.false.i
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lor.lhs.false.i:                                  ; preds = %while.end.i, %while.cond.i
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  %3 = phi i8 [ %2, %while.end.i ], [ 0, %while.cond.i ]
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  %cmp11.i = icmp eq i8 %.pre.i, 42
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  br i1 %cmp11.i, label %if.end3, label %dict_match.exit
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dict_match.exit:                                  ; preds = %lor.lhs.false.i
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  %cmp14.i = icmp eq i8 %3, 46
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  %conv16.i = sext i8 %3 to i32
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  %.conv16.i = select i1 %cmp14.i, i32 0, i32 %conv16.i
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  %cmp18.i = icmp eq i8 %.pre.i, 46
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  %conv22.i = sext i8 %.pre.i to i32
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  %cond24.i = select i1 %cmp18.i, i32 0, i32 %conv22.i
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  %sub.i = sub nsw i32 %.conv16.i, %cond24.i
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  %cmp1 = icmp sgt i32 %sub.i, -1
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  br i1 %cmp1, label %if.end3, label %if.then10
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if.end3:                                          ; preds = %dict_match.exit, %lor.lhs.false.i, %while.end.i
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; CHECK: %if.end3
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; CHECK: cmp
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; CHECK-NOT: cbnz
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  %storemerge1.i3 = phi i32 [ %sub.i, %dict_match.exit ], [ 0, %lor.lhs.false.i ], [ 0, %while.end.i ]
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  %right = getelementptr inbounds %struct.Dict_node_struct, %struct.Dict_node_struct* %dn.tr, i32 0, i32 4
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  %4 = load %struct.Dict_node_struct*, %struct.Dict_node_struct** %right, align 4
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  tail call fastcc void @rdictionary_lookup(%struct.Dict_node_struct* %4, i8* %s)
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  %cmp4 = icmp eq i32 %storemerge1.i3, 0
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  br i1 %cmp4, label %if.then5, label %if.end8
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if.then5:                                         ; preds = %if.end3
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  %call6 = tail call fastcc i8* @xalloc(i32 20)
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  %5 = bitcast i8* %call6 to %struct.Dict_node_struct*
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  %6 = bitcast %struct.Dict_node_struct* %dn.tr to i8*
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  tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %call6, i8* %6, i32 16, i32 4, i1 false)
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  %7 = load %struct.Dict_node_struct*, %struct.Dict_node_struct** @lookup_list, align 4
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  %right7 = getelementptr inbounds i8, i8* %call6, i32 16
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  %8 = bitcast i8* %right7 to %struct.Dict_node_struct**
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  store %struct.Dict_node_struct* %7, %struct.Dict_node_struct** %8, align 4
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  store %struct.Dict_node_struct* %5, %struct.Dict_node_struct** @lookup_list, align 4
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  br label %if.then10
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if.end8:                                          ; preds = %if.end3
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  %cmp9 = icmp slt i32 %storemerge1.i3, 1
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  br i1 %cmp9, label %if.then10, label %if.end11
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if.then10:                                        ; preds = %if.end8, %if.then5, %dict_match.exit
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  %left = getelementptr inbounds %struct.Dict_node_struct, %struct.Dict_node_struct* %dn.tr, i32 0, i32 3
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  %9 = load %struct.Dict_node_struct*, %struct.Dict_node_struct** %left, align 4
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  br label %tailrecurse
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if.end11:                                         ; preds = %if.end8, %tailrecurse
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  ret void
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}
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; Materializable
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declare hidden fastcc i8* @xalloc(i32) nounwind ssp
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