; RUN: llvm-as < %s | opt -instcombine -disable-output ; END. target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" target triple = "i686-apple-darwin8" %struct.ZZIP_FILE = type { %struct.zzip_dir*, i32, i32, i32, i32, i32, i32, i64, i8*, i64, %struct.z_stream, %struct.zzip_plugin_io* } %struct.anon = type { %struct.ZZIP_FILE*, i8* } %struct.internal_state = type { i32 } %struct.z_stream = type { i8*, i32, i32, i8*, i32, i32, i8*, %struct.internal_state*, i8* (i8*, i32, i32)*, void (i8*, i8*)*, i8*, i32, i32, i32 } %struct.zzip_dir = type { i32, i32, i32, %struct.anon, %struct.zzip_dir_hdr*, %struct.zzip_dir_hdr*, %struct.ZZIP_FILE*, %struct.zzip_dirent, i8*, i8*, i8**, %struct.zzip_plugin_io* } %struct.zzip_dir_hdr = type { i32, i32, i32, i32, i16, i16, i8, i16, [1 x i8] } %struct.zzip_dirent = type { i32, i32, i32, i16, i8*, i32, i32 } %struct.zzip_plugin_io = type { i32 (i8*, i32, ...)*, i32 (i32)*, i32 (i32, i8*, i32)*, i64 (i32, i64, i32)*, i64 (i32)*, i32 } define %struct.ZZIP_FILE* @zzip_open_shared_io(%struct.ZZIP_FILE* %stream, i8* %filename, i32 %o_flags, i32 %o_modes, i8** %ext, %struct.zzip_plugin_io* %io) { entry: %basename = alloca [1024 x i8], align 16 ; <[1024 x i8]*> [#uses=5] %e = alloca i32, align 4 ; [#uses=4] icmp eq %struct.ZZIP_FILE* %stream, null ; :0 [#uses=1] br i1 %0, label %cond_next22, label %cond_true cond_true: ; preds = %entry %tmp3 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp4 = load %struct.zzip_dir** %tmp3 ; <%struct.zzip_dir*> [#uses=1] icmp eq %struct.zzip_dir* %tmp4, null ; :1 [#uses=1] br i1 %1, label %cond_next22, label %cond_true5 cond_true5: ; preds = %cond_true icmp eq i8** %ext, null ; :2 [#uses=1] br i1 %2, label %cond_true7, label %cond_next cond_true7: ; preds = %cond_true5 %tmp9 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp10 = load %struct.zzip_dir** %tmp9 ; <%struct.zzip_dir*> [#uses=1] %tmp11 = getelementptr %struct.zzip_dir* %tmp10, i32 0, i32 10 ; [#uses=1] %tmp12 = load i8*** %tmp11 ; [#uses=1] br label %cond_next cond_next: ; preds = %cond_true7, %cond_true5 %ext_addr.0 = phi i8** [ %ext, %cond_true5 ], [ %tmp12, %cond_true7 ] ; [#uses=2] icmp eq %struct.zzip_plugin_io* %io, null ; :3 [#uses=1] br i1 %3, label %cond_true14, label %cond_next22 cond_true14: ; preds = %cond_next %tmp16 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp17 = load %struct.zzip_dir** %tmp16 ; <%struct.zzip_dir*> [#uses=1] %tmp18 = getelementptr %struct.zzip_dir* %tmp17, i32 0, i32 11 ; <%struct.zzip_plugin_io**> [#uses=1] %tmp19 = load %struct.zzip_plugin_io** %tmp18 ; <%struct.zzip_plugin_io*> [#uses=1] br label %cond_next22 cond_next22: ; preds = %cond_true14, %cond_next, %cond_true, %entry %io_addr.0 = phi %struct.zzip_plugin_io* [ %io, %entry ], [ %io, %cond_true ], [ %io, %cond_next ], [ %tmp19, %cond_true14 ] ; <%struct.zzip_plugin_io*> [#uses=2] %ext_addr.1 = phi i8** [ %ext, %entry ], [ %ext, %cond_true ], [ %ext_addr.0, %cond_next ], [ %ext_addr.0, %cond_true14 ] ; [#uses=2] icmp eq %struct.zzip_plugin_io* %io_addr.0, null ; :4 [#uses=1] br i1 %4, label %cond_true24, label %cond_next26 cond_true24: ; preds = %cond_next22 %tmp25 = call %struct.zzip_plugin_io* @zzip_get_default_io( ) ; <%struct.zzip_plugin_io*> [#uses=1] br label %cond_next26 cond_next26: ; preds = %cond_true24, %cond_next22 %io_addr.1 = phi %struct.zzip_plugin_io* [ %io_addr.0, %cond_next22 ], [ %tmp25, %cond_true24 ] ; <%struct.zzip_plugin_io*> [#uses=4] %tmp28 = and i32 %o_modes, 81920 ; [#uses=1] icmp eq i32 %tmp28, 0 ; :5 [#uses=1] br i1 %5, label %try_real, label %try_zzip try_real: ; preds = %bb223, %cond_next26 %fd160.2 = phi i32 [ undef, %cond_next26 ], [ %fd160.0, %bb223 ] ; [#uses=1] %len.2 = phi i32 [ undef, %cond_next26 ], [ %len.0, %bb223 ] ; [#uses=1] %o_flags_addr.1 = phi i32 [ %o_flags, %cond_next26 ], [ %o_flags_addr.0, %bb223 ] ; [#uses=2] %tmp33348 = and i32 %o_modes, 262144 ; [#uses=1] icmp eq i32 %tmp33348, 0 ; :6 [#uses=1] br i1 %6, label %cond_next38, label %cond_true35 cond_true35: ; preds = %try_real %tmp36 = call %struct.zzip_plugin_io* @zzip_get_default_io( ) ; <%struct.zzip_plugin_io*> [#uses=1] br label %cond_next38 cond_next38: ; preds = %cond_true35, %try_real %iftmp.21.0 = phi %struct.zzip_plugin_io* [ %tmp36, %cond_true35 ], [ %io_addr.1, %try_real ] ; <%struct.zzip_plugin_io*> [#uses=3] %tmp41 = getelementptr %struct.zzip_plugin_io* %iftmp.21.0, i32 0, i32 0 ; [#uses=1] %tmp42 = load i32 (i8*, i32, ...)** %tmp41 ; [#uses=1] %tmp45 = call i32 (i8*, i32, ...)* %tmp42( i8* %filename, i32 %o_flags_addr.1 ) ; [#uses=3] icmp eq i32 %tmp45, -1 ; :7 [#uses=1] br i1 %7, label %cond_next67, label %cond_true47 cond_true47: ; preds = %cond_next38 %tmp48 = call i8* @cli_calloc( i32 1, i32 108 ) ; [#uses=2] %tmp4849 = bitcast i8* %tmp48 to %struct.ZZIP_FILE* ; <%struct.ZZIP_FILE*> [#uses=3] icmp eq i8* %tmp48, null ; :8 [#uses=1] br i1 %8, label %cond_true51, label %cond_next58 cond_true51: ; preds = %cond_true47 %tmp53 = getelementptr %struct.zzip_plugin_io* %iftmp.21.0, i32 0, i32 1 ; [#uses=1] %tmp54 = load i32 (i32)** %tmp53 ; [#uses=1] %tmp56 = call i32 %tmp54( i32 %tmp45 ) ; [#uses=0] ret %struct.ZZIP_FILE* null cond_next58: ; preds = %cond_true47 %tmp60 = getelementptr %struct.ZZIP_FILE* %tmp4849, i32 0, i32 1 ; [#uses=1] store i32 %tmp45, i32* %tmp60 %tmp63 = getelementptr %struct.ZZIP_FILE* %tmp4849, i32 0, i32 11 ; <%struct.zzip_plugin_io**> [#uses=1] store %struct.zzip_plugin_io* %iftmp.21.0, %struct.zzip_plugin_io** %tmp63 ret %struct.ZZIP_FILE* %tmp4849 cond_next67: ; preds = %cond_next38 %tmp70716 = and i32 %o_modes, 16384 ; [#uses=1] icmp eq i32 %tmp70716, 0 ; :9 [#uses=1] br i1 %9, label %try_zzip, label %return try_zzip: ; preds = %cond_next67, %cond_next26 %fd160.3 = phi i32 [ %fd160.2, %cond_next67 ], [ undef, %cond_next26 ] ; [#uses=6] %len.3 = phi i32 [ %len.2, %cond_next67 ], [ undef, %cond_next26 ] ; [#uses=3] %o_flags_addr.3 = phi i32 [ %o_flags_addr.1, %cond_next67 ], [ %o_flags, %cond_next26 ] ; [#uses=4] %tmp76 = and i32 %o_flags_addr.3, 513 ; [#uses=1] icmp eq i32 %tmp76, 0 ; :10 [#uses=1] br i1 %10, label %cond_next80, label %cond_true77 cond_true77: ; preds = %try_zzip %tmp78 = call i32* @__error( ) ; [#uses=1] store i32 22, i32* %tmp78 ret %struct.ZZIP_FILE* null cond_next80: ; preds = %try_zzip %tmp83844 = and i32 %o_flags_addr.3, 2 ; [#uses=1] icmp eq i32 %tmp83844, 0 ; :11 [#uses=1] %tmp87 = xor i32 %o_flags_addr.3, 2 ; [#uses=1] %o_flags_addr.0 = select i1 %11, i32 %o_flags_addr.3, i32 %tmp87 ; [#uses=2] %basename90 = getelementptr [1024 x i8]* %basename, i32 0, i32 0 ; [#uses=1] %tmp92 = call i8* @strcpy( i8* %basename90, i8* %filename ) ; [#uses=0] icmp eq %struct.ZZIP_FILE* %stream, null ; :12 [#uses=1] br i1 %12, label %bb219, label %cond_true94 cond_true94: ; preds = %cond_next80 %tmp96 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp97 = load %struct.zzip_dir** %tmp96 ; <%struct.zzip_dir*> [#uses=1] icmp eq %struct.zzip_dir* %tmp97, null ; :13 [#uses=1] br i1 %13, label %bb219, label %cond_true98 cond_true98: ; preds = %cond_true94 %tmp100 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp101 = load %struct.zzip_dir** %tmp100 ; <%struct.zzip_dir*> [#uses=1] %tmp102 = getelementptr %struct.zzip_dir* %tmp101, i32 0, i32 9 ; [#uses=1] %tmp103 = load i8** %tmp102 ; [#uses=1] icmp eq i8* %tmp103, null ; :14 [#uses=1] br i1 %14, label %bb219, label %cond_true104 cond_true104: ; preds = %cond_true98 %tmp106 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp107 = load %struct.zzip_dir** %tmp106 ; <%struct.zzip_dir*> [#uses=1] %tmp108 = getelementptr %struct.zzip_dir* %tmp107, i32 0, i32 9 ; [#uses=1] %tmp109 = load i8** %tmp108 ; [#uses=1] %tmp110 = call i32 @strlen( i8* %tmp109 ) ; [#uses=7] %tmp112 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp113 = load %struct.zzip_dir** %tmp112 ; <%struct.zzip_dir*> [#uses=1] %tmp114 = getelementptr %struct.zzip_dir* %tmp113, i32 0, i32 9 ; [#uses=1] %tmp115 = load i8** %tmp114 ; [#uses=1] %tmp118 = call i32 @memcmp( i8* %filename, i8* %tmp115, i32 %tmp110 ) ; [#uses=1] icmp eq i32 %tmp118, 0 ; :15 [#uses=1] br i1 %15, label %cond_true119, label %bb219 cond_true119: ; preds = %cond_true104 %tmp122 = getelementptr i8* %filename, i32 %tmp110 ; [#uses=1] %tmp123 = load i8* %tmp122 ; [#uses=1] icmp eq i8 %tmp123, 47 ; :16 [#uses=1] br i1 %16, label %cond_true124, label %bb219 cond_true124: ; preds = %cond_true119 %tmp126 = add i32 %tmp110, 1 ; [#uses=1] %tmp128 = getelementptr i8* %filename, i32 %tmp126 ; [#uses=1] %tmp129 = load i8* %tmp128 ; [#uses=1] icmp eq i8 %tmp129, 0 ; :17 [#uses=1] br i1 %17, label %bb219, label %cond_true130 cond_true130: ; preds = %cond_true124 %tmp134.sum = add i32 %tmp110, 1 ; [#uses=1] %tmp135 = getelementptr i8* %filename, i32 %tmp134.sum ; [#uses=1] %tmp137 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp138 = load %struct.zzip_dir** %tmp137 ; <%struct.zzip_dir*> [#uses=1] %tmp140 = call %struct.ZZIP_FILE* @zzip_file_open( %struct.zzip_dir* %tmp138, i8* %tmp135, i32 %o_modes, i32 -1 ) ; <%struct.ZZIP_FILE*> [#uses=3] icmp eq %struct.ZZIP_FILE* %tmp140, null ; :18 [#uses=1] br i1 %18, label %cond_true142, label %return cond_true142: ; preds = %cond_true130 %tmp144 = getelementptr %struct.ZZIP_FILE* %stream, i32 0, i32 0 ; <%struct.zzip_dir**> [#uses=1] %tmp145 = load %struct.zzip_dir** %tmp144 ; <%struct.zzip_dir*> [#uses=1] %tmp146 = getelementptr %struct.zzip_dir* %tmp145, i32 0, i32 1 ; [#uses=1] %tmp147 = load i32* %tmp146 ; [#uses=1] %tmp148 = call i32 @zzip_errno( i32 %tmp147 ) ; [#uses=1] %tmp149 = call i32* @__error( ) ; [#uses=1] store i32 %tmp148, i32* %tmp149 ret %struct.ZZIP_FILE* %tmp140 bb: ; preds = %bb219 store i32 0, i32* %e store i8 0, i8* %tmp221 %basename162 = getelementptr [1024 x i8]* %basename, i32 0, i32 0 ; [#uses=1] %tmp166 = call i32 @__zzip_try_open( i8* %basename162, i32 %o_flags_addr.0, i8** %ext_addr.1, %struct.zzip_plugin_io* %io_addr.1 ) ; [#uses=4] icmp eq i32 %tmp166, -1 ; :19 [#uses=1] br i1 %19, label %bb219, label %cond_next169 cond_next169: ; preds = %bb %tmp173 = call %struct.zzip_dir* @zzip_dir_fdopen_ext_io( i32 %tmp166, i32* %e, i8** %ext_addr.1, %struct.zzip_plugin_io* %io_addr.1 ) ; <%struct.zzip_dir*> [#uses=7] %tmp174 = load i32* %e ; [#uses=1] icmp eq i32 %tmp174, 0 ; :20 [#uses=1] br i1 %20, label %cond_next185, label %cond_true175 cond_true175: ; preds = %cond_next169 %tmp176 = load i32* %e ; [#uses=1] %tmp177 = call i32 @zzip_errno( i32 %tmp176 ) ; [#uses=1] %tmp178 = call i32* @__error( ) ; [#uses=1] store i32 %tmp177, i32* %tmp178 %tmp180 = getelementptr %struct.zzip_plugin_io* %io_addr.1, i32 0, i32 1 ; [#uses=1] %tmp181 = load i32 (i32)** %tmp180 ; [#uses=1] %tmp183 = call i32 %tmp181( i32 %tmp166 ) ; [#uses=0] ret %struct.ZZIP_FILE* null cond_next185: ; preds = %cond_next169 %tmp186187 = ptrtoint i8* %tmp221 to i32 ; [#uses=1] %basename188189 = ptrtoint [1024 x i8]* %basename to i32 ; [#uses=1] %tmp190 = sub i32 %tmp186187, %basename188189 ; [#uses=1] %tmp192.sum = add i32 %tmp190, 1 ; [#uses=1] %tmp193 = getelementptr i8* %filename, i32 %tmp192.sum ; [#uses=1] %tmp196 = call %struct.ZZIP_FILE* @zzip_file_open( %struct.zzip_dir* %tmp173, i8* %tmp193, i32 %o_modes, i32 -1 ) ; <%struct.ZZIP_FILE*> [#uses=4] icmp eq %struct.ZZIP_FILE* %tmp196, null ; :21 [#uses=1] br i1 %21, label %cond_true198, label %cond_false204 cond_true198: ; preds = %cond_next185 %tmp200 = getelementptr %struct.zzip_dir* %tmp173, i32 0, i32 1 ; [#uses=1] %tmp201 = load i32* %tmp200 ; [#uses=1] %tmp202 = call i32 @zzip_errno( i32 %tmp201 ) ; [#uses=1] %tmp203 = call i32* @__error( ) ; [#uses=1] store i32 %tmp202, i32* %tmp203 %tmp2169 = call i32 @zzip_dir_close( %struct.zzip_dir* %tmp173 ) ; [#uses=0] ret %struct.ZZIP_FILE* %tmp196 cond_false204: ; preds = %cond_next185 %tmp206 = getelementptr %struct.zzip_dir* %tmp173, i32 0, i32 9 ; [#uses=1] %tmp207 = load i8** %tmp206 ; [#uses=1] icmp eq i8* %tmp207, null ; :22 [#uses=1] br i1 %22, label %cond_true208, label %cond_next214 cond_true208: ; preds = %cond_false204 %basename209 = getelementptr [1024 x i8]* %basename, i32 0, i32 0 ; [#uses=1] %tmp210 = call i8* @strdup( i8* %basename209 ) ; [#uses=1] %tmp212 = getelementptr %struct.zzip_dir* %tmp173, i32 0, i32 9 ; [#uses=1] store i8* %tmp210, i8** %tmp212 %tmp21610 = call i32 @zzip_dir_close( %struct.zzip_dir* %tmp173 ) ; [#uses=0] ret %struct.ZZIP_FILE* %tmp196 cond_next214: ; preds = %cond_false204 %tmp216 = call i32 @zzip_dir_close( %struct.zzip_dir* %tmp173 ) ; [#uses=0] ret %struct.ZZIP_FILE* %tmp196 bb219: ; preds = %bb, %cond_true124, %cond_true119, %cond_true104, %cond_true98, %cond_true94, %cond_next80 %fd160.0 = phi i32 [ %fd160.3, %cond_next80 ], [ %tmp166, %bb ], [ %fd160.3, %cond_true94 ], [ %fd160.3, %cond_true98 ], [ %fd160.3, %cond_true104 ], [ %fd160.3, %cond_true119 ], [ %fd160.3, %cond_true124 ] ; [#uses=1] %len.0 = phi i32 [ %len.3, %cond_next80 ], [ %len.0, %bb ], [ %len.3, %cond_true94 ], [ %len.3, %cond_true98 ], [ %tmp110, %cond_true104 ], [ %tmp110, %cond_true119 ], [ %tmp110, %cond_true124 ] ; [#uses=2] %basename220 = getelementptr [1024 x i8]* %basename, i32 0, i32 0 ; [#uses=1] %tmp221 = call i8* @strrchr( i8* %basename220, i32 47 ) ; [#uses=3] icmp eq i8* %tmp221, null ; :23 [#uses=1] br i1 %23, label %bb223, label %bb bb223: ; preds = %bb219 %tmp2262272 = and i32 %o_modes, 16384 ; [#uses=1] icmp eq i32 %tmp2262272, 0 ; :24 [#uses=1] br i1 %24, label %cond_next229, label %try_real cond_next229: ; preds = %bb223 %tmp230 = call i32* @__error( ) ; [#uses=1] store i32 2, i32* %tmp230 ret %struct.ZZIP_FILE* null return: ; preds = %cond_true130, %cond_next67 %retval.0 = phi %struct.ZZIP_FILE* [ null, %cond_next67 ], [ %tmp140, %cond_true130 ] ; <%struct.ZZIP_FILE*> [#uses=1] ret %struct.ZZIP_FILE* %retval.0 } declare i32 @zzip_dir_close(%struct.zzip_dir*) declare i8* @strrchr(i8*, i32) declare %struct.ZZIP_FILE* @zzip_file_open(%struct.zzip_dir*, i8*, i32, i32) declare i8* @cli_calloc(i32, i32) declare i32 @zzip_errno(i32) declare i32* @__error() declare %struct.zzip_plugin_io* @zzip_get_default_io() declare i8* @strcpy(i8*, i8*) declare i32 @strlen(i8*) declare i32 @memcmp(i8*, i8*, i32) declare i32 @__zzip_try_open(i8*, i32, i8**, %struct.zzip_plugin_io*) declare %struct.zzip_dir* @zzip_dir_fdopen_ext_io(i32, i32*, i8**, %struct.zzip_plugin_io*) declare i8* @strdup(i8*)