; RUN: opt < %s -basicaa -gvn -S | FileCheck %s %struct.anon = type { i32 (i32, i32, i32)*, i32, i32, [3 x i32], i8*, i8*, i8* } @debug = external constant i32 ; [#uses=0] @counters = external constant i32 ; [#uses=1] @trialx = external global [17 x i32] ; <[17 x i32]*> [#uses=1] @dummy1 = external global [7 x i32] ; <[7 x i32]*> [#uses=0] @dummy2 = external global [4 x i32] ; <[4 x i32]*> [#uses=0] @unacceptable = external global i32 ; [#uses=0] @isa = external global [13 x %struct.anon] ; <[13 x %struct.anon]*> [#uses=3] @.str = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str1 = external constant [3 x i8] ; <[3 x i8]*> [#uses=0] @.str2 = external constant [1 x i8] ; <[1 x i8]*> [#uses=0] @.str3 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str4 = external constant [3 x i8] ; <[3 x i8]*> [#uses=0] @.str5 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str6 = external constant [2 x i8] ; <[2 x i8]*> [#uses=0] @.str7 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str8 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str9 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str10 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str11 = external constant [2 x i8] ; <[2 x i8]*> [#uses=0] @.str12 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str13 = external constant [2 x i8] ; <[2 x i8]*> [#uses=0] @.str14 = external constant [5 x i8] ; <[5 x i8]*> [#uses=0] @.str15 = external constant [5 x i8] ; <[5 x i8]*> [#uses=0] @.str16 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str17 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str18 = external constant [3 x i8] ; <[3 x i8]*> [#uses=0] @.str19 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str20 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str21 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str22 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str23 = external constant [5 x i8] ; <[5 x i8]*> [#uses=0] @.str24 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str25 = external constant [6 x i8] ; <[6 x i8]*> [#uses=0] @.str26 = external constant [5 x i8] ; <[5 x i8]*> [#uses=0] @.str27 = external constant [6 x i8] ; <[6 x i8]*> [#uses=0] @r = external global [17 x i32] ; <[17 x i32]*> [#uses=0] @.str28 = external constant [3 x i8] ; <[3 x i8]*> [#uses=0] @.str29 = external constant [5 x i8] ; <[5 x i8]*> [#uses=0] @pgm = external global [5 x { i32, [3 x i32] }] ; <[5 x { i32, [3 x i32] }]*> [#uses=4] @.str30 = external constant [3 x i8] ; <[3 x i8]*> [#uses=0] @.str31 = external constant [13 x i8] ; <[13 x i8]*> [#uses=0] @.str32 = external constant [3 x i8] ; <[3 x i8]*> [#uses=0] @.str33 = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] @.str34 = external constant [20 x i8] ; <[20 x i8]*> [#uses=0] @numi = external global i32 ; [#uses=7] @.str35 = external constant [10 x i8] ; <[10 x i8]*> [#uses=0] @counter = external global [5 x i32] ; <[5 x i32]*> [#uses=2] @itrialx.2510 = external global i32 ; [#uses=0] @.str36 = external constant [43 x i8] ; <[43 x i8]*> [#uses=0] @.str37 = external constant [42 x i8] ; <[42 x i8]*> [#uses=0] @corr_result = external global i32 ; [#uses=0] @.str38 = external constant [3 x i8] ; <[3 x i8]*> [#uses=0] @.str39 = external constant [5 x i8] ; <[5 x i8]*> [#uses=0] @.str40 = external constant [47 x i8] ; <[47 x i8]*> [#uses=0] @correct_result = external global [17 x i32] ; <[17 x i32]*> [#uses=1] @.str41 = external constant [46 x i8] ; <[46 x i8]*> [#uses=0] @.str42 = external constant [32 x i8] ; <[32 x i8]*> [#uses=0] @.str43 = external constant [44 x i8] ; <[44 x i8]*> [#uses=1] @.str44 = external constant [21 x i8] ; <[21 x i8]*> [#uses=1] @.str45 = external constant [12 x i8] ; <[12 x i8]*> [#uses=1] @.str46 = external constant [5 x i8] ; <[5 x i8]*> [#uses=1] @.str47 = external constant [12 x i8] ; <[12 x i8]*> [#uses=1] declare i32 @neg(i32, i32, i32) declare i32 @Not(i32, i32, i32) declare i32 @pop(i32, i32, i32) declare i32 @nlz(i32, i32, i32) declare i32 @rev(i32, i32, i32) declare i32 @add(i32, i32, i32) declare i32 @sub(i32, i32, i32) declare i32 @mul(i32, i32, i32) declare i32 @divide(i32, i32, i32) declare i32 @divu(i32, i32, i32) declare i32 @And(i32, i32, i32) declare i32 @Or(i32, i32, i32) declare i32 @Xor(i32, i32, i32) declare i32 @rotl(i32, i32, i32) declare i32 @shl(i32, i32, i32) declare i32 @shr(i32, i32, i32) declare i32 @shrs(i32, i32, i32) declare i32 @cmpeq(i32, i32, i32) declare i32 @cmplt(i32, i32, i32) declare i32 @cmpltu(i32, i32, i32) declare i32 @seleq(i32, i32, i32) declare i32 @sellt(i32, i32, i32) declare i32 @selle(i32, i32, i32) declare void @print_expr(i32) declare i32 @printf(i8*, ...) declare i32 @putchar(i32) declare void @print_pgm() declare void @simulate_one_instruction(i32) declare i32 @check(i32) declare i32 @puts(i8*) declare void @fix_operands(i32) declare void @abort() declare i32 @increment() declare i32 @search() define i32 @main(i32 %argc, i8** %argv) { entry: %argc_addr = alloca i32 ; [#uses=1] %argv_addr = alloca i8** ; [#uses=1] %retval = alloca i32, align 4 ; [#uses=2] %tmp = alloca i32, align 4 ; [#uses=2] %i = alloca i32, align 4 ; [#uses=21] %num_sol = alloca i32, align 4 ; [#uses=4] %total = alloca i32, align 4 ; [#uses=4] %"alloca point" = bitcast i32 0 to i32 ; [#uses=0] store i32 %argc, i32* %argc_addr store i8** %argv, i8*** %argv_addr store i32 0, i32* %num_sol store i32 1, i32* @numi br label %bb91 bb: ; preds = %cond_next97 %tmp1 = load i32, i32* @numi ; [#uses=1] %tmp2 = getelementptr [44 x i8], [44 x i8]* @.str43, i32 0, i32 0 ; [#uses=1] %tmp3 = call i32 (i8*, ...) @printf( i8* %tmp2, i32 %tmp1 ) ; [#uses=0] store i32 0, i32* %i br label %bb13 bb4: ; preds = %bb13 %tmp5 = load i32, i32* %i ; [#uses=1] %tmp6 = load i32, i32* %i ; [#uses=1] %tmp7 = getelementptr [17 x i32], [17 x i32]* @trialx, i32 0, i32 %tmp6 ; [#uses=1] %tmp8 = load i32, i32* %tmp7 ; [#uses=1] %tmp9 = call i32 @userfun( i32 %tmp8 ) ; [#uses=1] %tmp10 = getelementptr [17 x i32], [17 x i32]* @correct_result, i32 0, i32 %tmp5 ; [#uses=1] store i32 %tmp9, i32* %tmp10 %tmp11 = load i32, i32* %i ; [#uses=1] %tmp12 = add i32 %tmp11, 1 ; [#uses=1] store i32 %tmp12, i32* %i br label %bb13 bb13: ; preds = %bb4, %bb %tmp14 = load i32, i32* %i ; [#uses=1] %tmp15 = icmp sle i32 %tmp14, 16 ; [#uses=1] %tmp1516 = zext i1 %tmp15 to i32 ; [#uses=1] %toBool = icmp ne i32 %tmp1516, 0 ; [#uses=1] br i1 %toBool, label %bb4, label %bb17 bb17: ; preds = %bb13 store i32 0, i32* %i br label %bb49 bb18: ; preds = %bb49 %tmp19 = load i32, i32* %i ; [#uses=1] %tmp20 = getelementptr [5 x { i32, [3 x i32] }], [5 x { i32, [3 x i32] }]* @pgm, i32 0, i32 %tmp19 ; <{ i32, [3 x i32] }*> [#uses=1] %tmp21 = getelementptr { i32, [3 x i32] }, { i32, [3 x i32] }* %tmp20, i32 0, i32 0 ; [#uses=1] store i32 0, i32* %tmp21 %tmp22 = load i32, i32* %i ; [#uses=1] %tmp23 = getelementptr [13 x %struct.anon], [13 x %struct.anon]* @isa, i32 0, i32 0 ; <%struct.anon*> [#uses=1] %tmp24 = getelementptr %struct.anon, %struct.anon* %tmp23, i32 0, i32 3 ; <[3 x i32]*> [#uses=1] %tmp25 = getelementptr [3 x i32], [3 x i32]* %tmp24, i32 0, i32 0 ; [#uses=1] %tmp26 = load i32, i32* %tmp25 ; [#uses=1] %tmp27 = getelementptr [5 x { i32, [3 x i32] }], [5 x { i32, [3 x i32] }]* @pgm, i32 0, i32 %tmp22 ; <{ i32, [3 x i32] }*> [#uses=1] %tmp28 = getelementptr { i32, [3 x i32] }, { i32, [3 x i32] }* %tmp27, i32 0, i32 1 ; <[3 x i32]*> [#uses=1] %tmp29 = getelementptr [3 x i32], [3 x i32]* %tmp28, i32 0, i32 0 ; [#uses=1] store i32 %tmp26, i32* %tmp29 %tmp30 = load i32, i32* %i ; [#uses=1] %tmp31 = getelementptr [13 x %struct.anon], [13 x %struct.anon]* @isa, i32 0, i32 0 ; <%struct.anon*> [#uses=1] %tmp32 = getelementptr %struct.anon, %struct.anon* %tmp31, i32 0, i32 3 ; <[3 x i32]*> [#uses=1] %tmp33 = getelementptr [3 x i32], [3 x i32]* %tmp32, i32 0, i32 1 ; [#uses=1] %tmp34 = load i32, i32* %tmp33 ; [#uses=1] %tmp35 = getelementptr [5 x { i32, [3 x i32] }], [5 x { i32, [3 x i32] }]* @pgm, i32 0, i32 %tmp30 ; <{ i32, [3 x i32] }*> [#uses=1] %tmp36 = getelementptr { i32, [3 x i32] }, { i32, [3 x i32] }* %tmp35, i32 0, i32 1 ; <[3 x i32]*> [#uses=1] %tmp37 = getelementptr [3 x i32], [3 x i32]* %tmp36, i32 0, i32 1 ; [#uses=1] store i32 %tmp34, i32* %tmp37 %tmp38 = load i32, i32* %i ; [#uses=1] %tmp39 = getelementptr [13 x %struct.anon], [13 x %struct.anon]* @isa, i32 0, i32 0 ; <%struct.anon*> [#uses=1] %tmp40 = getelementptr %struct.anon, %struct.anon* %tmp39, i32 0, i32 3 ; <[3 x i32]*> [#uses=1] %tmp41 = getelementptr [3 x i32], [3 x i32]* %tmp40, i32 0, i32 2 ; [#uses=1] %tmp42 = load i32, i32* %tmp41 ; [#uses=1] %tmp43 = getelementptr [5 x { i32, [3 x i32] }], [5 x { i32, [3 x i32] }]* @pgm, i32 0, i32 %tmp38 ; <{ i32, [3 x i32] }*> [#uses=1] %tmp44 = getelementptr { i32, [3 x i32] }, { i32, [3 x i32] }* %tmp43, i32 0, i32 1 ; <[3 x i32]*> [#uses=1] %tmp45 = getelementptr [3 x i32], [3 x i32]* %tmp44, i32 0, i32 2 ; [#uses=1] store i32 %tmp42, i32* %tmp45 %tmp46 = load i32, i32* %i ; [#uses=1] call void @fix_operands( i32 %tmp46 ) %tmp47 = load i32, i32* %i ; [#uses=1] ; CHECK: %tmp47 = phi i32 [ %tmp48, %bb18 ], [ 0, %bb17 ] %tmp48 = add i32 %tmp47, 1 ; [#uses=1] store i32 %tmp48, i32* %i br label %bb49 bb49: ; preds = %bb18, %bb17 %tmp50 = load i32, i32* @numi ; [#uses=1] %tmp51 = load i32, i32* %i ; [#uses=1] %tmp52 = icmp slt i32 %tmp51, %tmp50 ; [#uses=1] %tmp5253 = zext i1 %tmp52 to i32 ; [#uses=1] %toBool54 = icmp ne i32 %tmp5253, 0 ; [#uses=1] br i1 %toBool54, label %bb18, label %bb55 bb55: ; preds = %bb49 %tmp56 = call i32 @search( ) ; [#uses=1] store i32 %tmp56, i32* %num_sol %tmp57 = getelementptr [21 x i8], [21 x i8]* @.str44, i32 0, i32 0 ; [#uses=1] %tmp58 = load i32, i32* %num_sol ; [#uses=1] %tmp59 = call i32 (i8*, ...) @printf( i8* %tmp57, i32 %tmp58 ) ; [#uses=0] %tmp60 = load i32, i32* @counters ; [#uses=1] %tmp61 = icmp ne i32 %tmp60, 0 ; [#uses=1] %tmp6162 = zext i1 %tmp61 to i32 ; [#uses=1] %toBool63 = icmp ne i32 %tmp6162, 0 ; [#uses=1] br i1 %toBool63, label %cond_true, label %cond_next cond_true: ; preds = %bb55 store i32 0, i32* %total %tmp64 = getelementptr [12 x i8], [12 x i8]* @.str45, i32 0, i32 0 ; [#uses=1] %tmp65 = call i32 (i8*, ...) @printf( i8* %tmp64 ) ; [#uses=0] store i32 0, i32* %i br label %bb79 bb66: ; preds = %bb79 %tmp67 = load i32, i32* %i ; [#uses=1] %tmp68 = getelementptr [5 x i32], [5 x i32]* @counter, i32 0, i32 %tmp67 ; [#uses=1] %tmp69 = load i32, i32* %tmp68 ; [#uses=1] %tmp70 = getelementptr [5 x i8], [5 x i8]* @.str46, i32 0, i32 0 ; [#uses=1] %tmp71 = call i32 (i8*, ...) @printf( i8* %tmp70, i32 %tmp69 ) ; [#uses=0] %tmp72 = load i32, i32* %i ; [#uses=1] %tmp73 = getelementptr [5 x i32], [5 x i32]* @counter, i32 0, i32 %tmp72 ; [#uses=1] %tmp74 = load i32, i32* %tmp73 ; [#uses=1] %tmp75 = load i32, i32* %total ; [#uses=1] %tmp76 = add i32 %tmp74, %tmp75 ; [#uses=1] store i32 %tmp76, i32* %total %tmp77 = load i32, i32* %i ; [#uses=1] %tmp78 = add i32 %tmp77, 1 ; [#uses=1] store i32 %tmp78, i32* %i br label %bb79 bb79: ; preds = %bb66, %cond_true %tmp80 = load i32, i32* @numi ; [#uses=1] %tmp81 = load i32, i32* %i ; [#uses=1] %tmp82 = icmp slt i32 %tmp81, %tmp80 ; [#uses=1] %tmp8283 = zext i1 %tmp82 to i32 ; [#uses=1] %toBool84 = icmp ne i32 %tmp8283, 0 ; [#uses=1] br i1 %toBool84, label %bb66, label %bb85 bb85: ; preds = %bb79 %tmp86 = getelementptr [12 x i8], [12 x i8]* @.str47, i32 0, i32 0 ; [#uses=1] %tmp87 = load i32, i32* %total ; [#uses=1] %tmp88 = call i32 (i8*, ...) @printf( i8* %tmp86, i32 %tmp87 ) ; [#uses=0] br label %cond_next cond_next: ; preds = %bb85, %bb55 %tmp89 = load i32, i32* @numi ; [#uses=1] %tmp90 = add i32 %tmp89, 1 ; [#uses=1] store i32 %tmp90, i32* @numi br label %bb91 bb91: ; preds = %cond_next, %entry %tmp92 = load i32, i32* @numi ; [#uses=1] %tmp93 = icmp sgt i32 %tmp92, 5 ; [#uses=1] %tmp9394 = zext i1 %tmp93 to i32 ; [#uses=1] %toBool95 = icmp ne i32 %tmp9394, 0 ; [#uses=1] br i1 %toBool95, label %cond_true96, label %cond_next97 cond_true96: ; preds = %bb91 br label %bb102 cond_next97: ; preds = %bb91 %tmp98 = load i32, i32* %num_sol ; [#uses=1] %tmp99 = icmp eq i32 %tmp98, 0 ; [#uses=1] %tmp99100 = zext i1 %tmp99 to i32 ; [#uses=1] %toBool101 = icmp ne i32 %tmp99100, 0 ; [#uses=1] br i1 %toBool101, label %bb, label %bb102 bb102: ; preds = %cond_next97, %cond_true96 store i32 0, i32* %tmp %tmp103 = load i32, i32* %tmp ; [#uses=1] store i32 %tmp103, i32* %retval br label %return return: ; preds = %bb102 %retval104 = load i32, i32* %retval ; [#uses=1] ret i32 %retval104 } declare i32 @userfun(i32)