forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			163 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			163 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -O2 -S < %s | FileCheck %s
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| 
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| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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| target triple = "x86_64-apple-darwin11.1"
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| 
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| %"struct.boost::compressed_pair<empty_t,int>" = type { %"struct.boost::details::compressed_pair_imp<empty_t,int,1>" }
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| %"struct.boost::details::compressed_pair_imp<empty_t,int,1>" = type { i32 }
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| %struct.empty_base_t = type <{ i8 }>
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| %struct.empty_t = type <{ i8 }>
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| 
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| @.str = private constant [25 x i8] c"x.second() was clobbered\00", align 1 ; <[25 x i8]*> [#uses=1]
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| 
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| define i32 @main(i32 %argc, i8** %argv) ssp {
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| entry:
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|   %argc_addr = alloca i32, align 4                ; <i32*> [#uses=1]
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|   %argv_addr = alloca i8**, align 8               ; <i8***> [#uses=1]
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|   %retval = alloca i32                            ; <i32*> [#uses=2]
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|   %0 = alloca i32                                 ; <i32*> [#uses=2]
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|   %retval.1 = alloca i8                           ; <i8*> [#uses=2]
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|   %1 = alloca %struct.empty_base_t                ; <%struct.empty_base_t*> [#uses=1]
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|   %2 = alloca %struct.empty_base_t*               ; <%struct.empty_base_t**> [#uses=1]
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|   %x = alloca %"struct.boost::compressed_pair<empty_t,int>" ; <%"struct.boost::compressed_pair<empty_t,int>"*> [#uses=3]
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|   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
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|   store i32 %argc, i32* %argc_addr
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|   store i8** %argv, i8*** %argv_addr
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|   %3 = call i32* @_ZN5boost15compressed_pairI7empty_tiE6secondEv(%"struct.boost::compressed_pair<empty_t,int>"* %x) ssp ; <i32*> [#uses=1]
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|   store i32 -3, i32* %3, align 4
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|   %4 = call %struct.empty_base_t* @_ZN5boost15compressed_pairI7empty_tiE5firstEv(%"struct.boost::compressed_pair<empty_t,int>"* %x) ssp ; <%struct.empty_base_t*> [#uses=1]
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|   store %struct.empty_base_t* %4, %struct.empty_base_t** %2, align 8
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|   call void @_ZN7empty_tC1Ev(%struct.empty_base_t* %1) nounwind
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|   %5 = call i32* @_ZN5boost15compressed_pairI7empty_tiE6secondEv(%"struct.boost::compressed_pair<empty_t,int>"* %x) ssp ; <i32*> [#uses=1]
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|   %6 = load i32, i32* %5, align 4                      ; <i32> [#uses=1]
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|   %7 = icmp ne i32 %6, -3                         ; <i1> [#uses=1]
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|   %8 = zext i1 %7 to i8                           ; <i8> [#uses=1]
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|   store i8 %8, i8* %retval.1, align 1
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|   %9 = load i8, i8* %retval.1, align 1                ; <i8> [#uses=1]
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|   %toBool = icmp ne i8 %9, 0                      ; <i1> [#uses=1]
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|   br i1 %toBool, label %bb, label %bb1
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| 
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| bb:                                               ; preds = %entry
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|   %10 = call i32 @puts(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0)) ; <i32> [#uses=0]
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|   call void @abort() noreturn
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|   unreachable
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| 
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| bb1:                                              ; preds = %entry
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|   store i32 0, i32* %0, align 4
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|   %11 = load i32, i32* %0, align 4                     ; <i32> [#uses=1]
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|   store i32 %11, i32* %retval, align 4
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|   br label %return
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| 
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| ; CHECK-NOT: x.second() was clobbered
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| ; CHECK: ret i32
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| return:                                           ; preds = %bb1
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|   %retval2 = load i32, i32* %retval                    ; <i32> [#uses=1]
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|   ret i32 %retval2
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| }
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| 
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| define linkonce_odr void @_ZN12empty_base_tC2Ev(%struct.empty_base_t* %this) nounwind ssp align 2 {
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| entry:
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|   %this_addr = alloca %struct.empty_base_t*, align 8 ; <%struct.empty_base_t**> [#uses=1]
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|   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
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|   store %struct.empty_base_t* %this, %struct.empty_base_t** %this_addr
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|   br label %return
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| 
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| return:                                           ; preds = %entry
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|   ret void
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| }
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| 
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| define linkonce_odr void @_ZN7empty_tC1Ev(%struct.empty_base_t* %this) nounwind ssp align 2 {
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| entry:
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|   %this_addr = alloca %struct.empty_base_t*, align 8 ; <%struct.empty_base_t**> [#uses=2]
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|   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
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|   store %struct.empty_base_t* %this, %struct.empty_base_t** %this_addr
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|   %0 = load %struct.empty_base_t*, %struct.empty_base_t** %this_addr, align 8 ; <%struct.empty_base_t*> [#uses=1]
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|   call void @_ZN12empty_base_tC2Ev(%struct.empty_base_t* %0) nounwind
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|   br label %return
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| 
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| return:                                           ; preds = %entry
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|   ret void
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| }
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| 
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| define linkonce_odr i32* @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE6secondEv(%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"* %this) nounwind ssp align 2 {
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| entry:
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|   %this_addr = alloca %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"*, align 8 ; <%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"**> [#uses=2]
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|   %retval = alloca i32*                           ; <i32**> [#uses=2]
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|   %0 = alloca i32*                                ; <i32**> [#uses=2]
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|   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
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|   store %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"* %this, %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"** %this_addr
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|   %1 = load %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"*, %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"** %this_addr, align 8 ; <%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"*> [#uses=1]
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|   %2 = getelementptr inbounds %"struct.boost::details::compressed_pair_imp<empty_t,int,1>", %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"* %1, i32 0, i32 0 ; <i32*> [#uses=1]
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|   store i32* %2, i32** %0, align 8
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|   %3 = load i32*, i32** %0, align 8                     ; <i32*> [#uses=1]
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|   store i32* %3, i32** %retval, align 8
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|   br label %return
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| 
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| return:                                           ; preds = %entry
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|   %retval1 = load i32*, i32** %retval                   ; <i32*> [#uses=1]
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|   ret i32* %retval1
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| }
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| 
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| define linkonce_odr i32* @_ZN5boost15compressed_pairI7empty_tiE6secondEv(%"struct.boost::compressed_pair<empty_t,int>"* %this) ssp align 2 {
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| entry:
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|   %this_addr = alloca %"struct.boost::compressed_pair<empty_t,int>"*, align 8 ; <%"struct.boost::compressed_pair<empty_t,int>"**> [#uses=2]
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|   %retval = alloca i32*                           ; <i32**> [#uses=2]
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|   %0 = alloca i32*                                ; <i32**> [#uses=2]
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|   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
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|   store %"struct.boost::compressed_pair<empty_t,int>"* %this, %"struct.boost::compressed_pair<empty_t,int>"** %this_addr
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|   %1 = load %"struct.boost::compressed_pair<empty_t,int>"*, %"struct.boost::compressed_pair<empty_t,int>"** %this_addr, align 8 ; <%"struct.boost::compressed_pair<empty_t,int>"*> [#uses=1]
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|   %2 = getelementptr inbounds %"struct.boost::compressed_pair<empty_t,int>", %"struct.boost::compressed_pair<empty_t,int>"* %1, i32 0, i32 0 ; <%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"*> [#uses=1]
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|   %3 = call i32* @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE6secondEv(%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"* %2) nounwind ; <i32*> [#uses=1]
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|   store i32* %3, i32** %0, align 8
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|   %4 = load i32*, i32** %0, align 8                     ; <i32*> [#uses=1]
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|   store i32* %4, i32** %retval, align 8
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|   br label %return
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| 
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| return:                                           ; preds = %entry
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|   %retval1 = load i32*, i32** %retval                   ; <i32*> [#uses=1]
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|   ret i32* %retval1
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| }
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| 
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| define linkonce_odr %struct.empty_base_t* @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE5firstEv(%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"* %this) nounwind ssp align 2 {
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| entry:
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|   %this_addr = alloca %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"*, align 8 ; <%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"**> [#uses=2]
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|   %retval = alloca %struct.empty_base_t*          ; <%struct.empty_base_t**> [#uses=2]
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|   %0 = alloca %struct.empty_base_t*               ; <%struct.empty_base_t**> [#uses=2]
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|   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
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|   store %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"* %this, %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"** %this_addr
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|   %1 = load %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"*, %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"** %this_addr, align 8 ; <%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"*> [#uses=1]
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|   %2 = bitcast %"struct.boost::details::compressed_pair_imp<empty_t,int,1>"* %1 to %struct.empty_base_t* ; <%struct.empty_base_t*> [#uses=1]
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|   store %struct.empty_base_t* %2, %struct.empty_base_t** %0, align 8
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|   %3 = load %struct.empty_base_t*, %struct.empty_base_t** %0, align 8    ; <%struct.empty_base_t*> [#uses=1]
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|   store %struct.empty_base_t* %3, %struct.empty_base_t** %retval, align 8
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|   br label %return
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| 
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| return:                                           ; preds = %entry
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|   %retval1 = load %struct.empty_base_t*, %struct.empty_base_t** %retval  ; <%struct.empty_base_t*> [#uses=1]
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|   ret %struct.empty_base_t* %retval1
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| }
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| 
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| define linkonce_odr %struct.empty_base_t* @_ZN5boost15compressed_pairI7empty_tiE5firstEv(%"struct.boost::compressed_pair<empty_t,int>"* %this) ssp align 2 {
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| entry:
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|   %this_addr = alloca %"struct.boost::compressed_pair<empty_t,int>"*, align 8 ; <%"struct.boost::compressed_pair<empty_t,int>"**> [#uses=2]
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|   %retval = alloca %struct.empty_base_t*          ; <%struct.empty_base_t**> [#uses=2]
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|   %0 = alloca %struct.empty_base_t*               ; <%struct.empty_base_t**> [#uses=2]
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|   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
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|   store %"struct.boost::compressed_pair<empty_t,int>"* %this, %"struct.boost::compressed_pair<empty_t,int>"** %this_addr
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|   %1 = load %"struct.boost::compressed_pair<empty_t,int>"*, %"struct.boost::compressed_pair<empty_t,int>"** %this_addr, align 8 ; <%"struct.boost::compressed_pair<empty_t,int>"*> [#uses=1]
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|   %2 = getelementptr inbounds %"struct.boost::compressed_pair<empty_t,int>", %"struct.boost::compressed_pair<empty_t,int>"* %1, i32 0, i32 0 ; <%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"*> [#uses=1]
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|   %3 = call %struct.empty_base_t* @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE5firstEv(%"struct.boost::details::compressed_pair_imp<empty_t,int,1>"* %2) nounwind ; <%struct.empty_base_t*> [#uses=1]
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|   store %struct.empty_base_t* %3, %struct.empty_base_t** %0, align 8
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|   %4 = load %struct.empty_base_t*, %struct.empty_base_t** %0, align 8    ; <%struct.empty_base_t*> [#uses=1]
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|   store %struct.empty_base_t* %4, %struct.empty_base_t** %retval, align 8
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|   br label %return
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| 
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| return:                                           ; preds = %entry
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|   %retval1 = load %struct.empty_base_t*, %struct.empty_base_t** %retval  ; <%struct.empty_base_t*> [#uses=1]
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|   ret %struct.empty_base_t* %retval1
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| }
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| 
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| declare i32 @puts(i8*)
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| 
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| declare void @abort() noreturn
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