1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=instcombine -S | FileCheck %s 3 4@.str = private unnamed_addr constant [3 x i8] c"12\00", align 1 5@.str.1 = private unnamed_addr constant [2 x i8] c"0\00", align 1 6@.str.2 = private unnamed_addr constant [11 x i8] c"4294967296\00", align 1 7@.str.3 = private unnamed_addr constant [24 x i8] c"10000000000000000000000\00", align 1 8@.str.4 = private unnamed_addr constant [20 x i8] c"9923372036854775807\00", align 1 9@.str.5 = private unnamed_addr constant [11 x i8] c"4994967295\00", align 1 10@.str.6 = private unnamed_addr constant [10 x i8] c"499496729\00", align 1 11@.str.7 = private unnamed_addr constant [11 x i8] c"4994967295\00", align 1 12 13declare i64 @strtol(ptr, ptr, i32) 14declare i32 @atoi(ptr) 15declare i64 @atol(ptr) 16declare i64 @atoll(ptr) 17declare i64 @strtoll(ptr, ptr, i32) 18 19define i64 @strtol_dec() #0 { 20; CHECK-LABEL: @strtol_dec( 21; CHECK-NEXT: ret i64 12 22; 23 %call = call i64 @strtol(ptr @.str, ptr null, i32 10) #2 24 ret i64 %call 25} 26 27define i64 @strtol_base_zero() #0 { 28; CHECK-LABEL: @strtol_base_zero( 29; CHECK-NEXT: ret i64 12 30; 31 %call = call i64 @strtol(ptr @.str, ptr null, i32 0) #2 32 ret i64 %call 33} 34 35define i64 @strtol_hex() #0 { 36; CHECK-LABEL: @strtol_hex( 37; CHECK-NEXT: ret i64 18 38; 39 %call = call i64 @strtol(ptr @.str, ptr null, i32 16) #2 40 ret i64 %call 41} 42 43; Fold a call to strtol with an endptr known to be nonnull. 44 45define i64 @strtol_endptr_not_null(ptr nonnull %pend) { 46; CHECK-LABEL: @strtol_endptr_not_null( 47; CHECK-NEXT: store ptr getelementptr inbounds nuw (i8, ptr @.str, i64 2), ptr [[PEND:%.*]], align 8 48; CHECK-NEXT: ret i64 12 49; 50 %call = call i64 @strtol(ptr @.str, ptr %pend, i32 10) 51 ret i64 %call 52} 53 54; Don't fold a call to strtol with an endptr that's not known to be nonnull. 55 56define i64 @strtol_endptr_maybe_null(ptr %end) { 57; CHECK-LABEL: @strtol_endptr_maybe_null( 58; CHECK-NEXT: [[CALL:%.*]] = call i64 @strtol(ptr nonnull @.str.1, ptr [[END:%.*]], i32 10) 59; CHECK-NEXT: ret i64 [[CALL]] 60; 61 %call = call i64 @strtol(ptr @.str.1, ptr %end, i32 10) 62 ret i64 %call 63} 64 65define i32 @atoi_test() #0 { 66; CHECK-LABEL: @atoi_test( 67; CHECK-NEXT: ret i32 12 68; 69 %call = call i32 @atoi(ptr @.str) #4 70 ret i32 %call 71} 72 73define i64 @strtol_not_const_str(ptr %s) #0 { 74; CHECK-LABEL: @strtol_not_const_str( 75; CHECK-NEXT: [[CALL:%.*]] = call i64 @strtol(ptr captures(none) [[S:%.*]], ptr null, i32 10) 76; CHECK-NEXT: ret i64 [[CALL]] 77; 78 %call = call i64 @strtol(ptr %s, ptr null, i32 10) #3 79 ret i64 %call 80} 81 82define i32 @atoi_not_const_str(ptr %s) #0 { 83; CHECK-LABEL: @atoi_not_const_str( 84; CHECK-NEXT: [[CALL:%.*]] = call i32 @atoi(ptr [[S:%.*]]) 85; CHECK-NEXT: ret i32 [[CALL]] 86; 87 %call = call i32 @atoi(ptr %s) #4 88 ret i32 %call 89} 90 91define i64 @strtol_not_const_base(i32 %b) #0 { 92; CHECK-LABEL: @strtol_not_const_base( 93; CHECK-NEXT: [[CALL:%.*]] = call i64 @strtol(ptr nonnull captures(none) @.str, ptr null, i32 [[B:%.*]]) 94; CHECK-NEXT: ret i64 [[CALL]] 95; 96 %call = call i64 @strtol(ptr @.str, ptr null, i32 %b) #2 97 ret i64 %call 98} 99 100define i64 @strtol_long_int() #0 { 101; CHECK-LABEL: @strtol_long_int( 102; CHECK-NEXT: ret i64 4294967296 103; 104 %call = call i64 @strtol(ptr @.str.2, ptr null, i32 10) #3 105 ret i64 %call 106} 107 108 109define i64 @strtol_big_overflow() #0 { 110; CHECK-LABEL: @strtol_big_overflow( 111; CHECK-NEXT: [[CALL:%.*]] = call i64 @strtol(ptr nonnull captures(none) @.str.3, ptr null, i32 10) 112; CHECK-NEXT: ret i64 [[CALL]] 113; 114 %call = call i64 @strtol(ptr nocapture @.str.3, ptr null, i32 10) #2 115 ret i64 %call 116} 117 118define i64 @atol_test() #0 { 119; CHECK-LABEL: @atol_test( 120; CHECK-NEXT: ret i64 499496729 121; 122; CHECK-NEXT 123 %call = call i64 @atol(ptr @.str.6) #4 124 ret i64 %call 125} 126 127define i64 @atoll_test() #0 { 128; CHECK-LABEL: @atoll_test( 129; CHECK-NEXT: ret i64 4994967295 130; 131 %call = call i64 @atoll(ptr @.str.5) #3 132 ret i64 %call 133} 134 135define i64 @strtoll_test() #0 { 136; CHECK-LABEL: @strtoll_test( 137; CHECK-NEXT: ret i64 4994967295 138; 139; CHECK-NEXT 140 %call = call i64 @strtoll(ptr @.str.7, ptr null, i32 10) #5 141 ret i64 %call 142} 143