137bf0a10SNikita Popov; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5 237bf0a10SNikita Popov; RUN: opt -disable-output -passes='print<scalar-evolution>' < %s 2>&1 | FileCheck %s 337bf0a10SNikita Popov 4*07efe2c1SNikita Popov; %srem should have exit value 130. 537bf0a10SNikita Popovdefine i32 @test() { 637bf0a10SNikita Popov; CHECK-LABEL: 'test' 737bf0a10SNikita Popov; CHECK-NEXT: Classifying expressions for: @test 837bf0a10SNikita Popov; CHECK-NEXT: %phi = phi i32 [ -173, %bb ], [ %sub, %loop ] 9*07efe2c1SNikita Popov; CHECK-NEXT: --> %phi U: [-173,1) S: [-173,1) Exits: -173 LoopDispositions: { %loop: Variant } 1037bf0a10SNikita Popov; CHECK-NEXT: %iv2 = phi i32 [ 1, %bb ], [ %iv2.inc, %loop ] 1137bf0a10SNikita Popov; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%loop> U: [1,2) S: [1,2) Exits: 1 LoopDispositions: { %loop: Computable } 1237bf0a10SNikita Popov; CHECK-NEXT: %srem = srem i32 729259140, %phi 13*07efe2c1SNikita Popov; CHECK-NEXT: --> %srem U: [0,1073741824) S: [0,1073741824) Exits: 130 LoopDispositions: { %loop: Variant } 1437bf0a10SNikita Popov; CHECK-NEXT: %trunc = trunc i32 %iv2 to i8 1537bf0a10SNikita Popov; CHECK-NEXT: --> {1,+,1}<%loop> U: [1,2) S: [1,2) Exits: 1 LoopDispositions: { %loop: Computable } 1637bf0a10SNikita Popov; CHECK-NEXT: %urem = urem i8 -83, %trunc 1737bf0a10SNikita Popov; CHECK-NEXT: --> (-83 + ((-83 /u {1,+,1}<%loop>) * {-1,+,-1}<%loop>)) U: [0,1) S: [0,1) Exits: 0 LoopDispositions: { %loop: Computable } 1837bf0a10SNikita Popov; CHECK-NEXT: %zext = zext i8 %urem to i32 1937bf0a10SNikita Popov; CHECK-NEXT: --> (zext i8 (-83 + ((-83 /u {1,+,1}<%loop>) * {-1,+,-1}<%loop>)) to i32) U: [0,1) S: [0,1) Exits: 0 LoopDispositions: { %loop: Computable } 2037bf0a10SNikita Popov; CHECK-NEXT: %sub = sub i32 0, %zext 2137bf0a10SNikita Popov; CHECK-NEXT: --> (-1 * (zext i8 (-83 + ((-83 /u {1,+,1}<%loop>) * {-1,+,-1}<%loop>)) to i32))<nuw><nsw> U: [0,1) S: [0,1) Exits: 0 LoopDispositions: { %loop: Computable } 2237bf0a10SNikita Popov; CHECK-NEXT: %iv2.inc = add i32 %iv2, 1 2337bf0a10SNikita Popov; CHECK-NEXT: --> {2,+,1}<nuw><nsw><%loop> U: [2,3) S: [2,3) Exits: 2 LoopDispositions: { %loop: Computable } 2437bf0a10SNikita Popov; CHECK-NEXT: %srem.lcssa = phi i32 [ %srem, %loop ] 25*07efe2c1SNikita Popov; CHECK-NEXT: --> %srem U: [0,1073741824) S: [0,1073741824) --> 130 U: [130,131) S: [130,131) 2637bf0a10SNikita Popov; CHECK-NEXT: Determining loop execution counts for: @test 2737bf0a10SNikita Popov; CHECK-NEXT: Loop %loop: backedge-taken count is i32 0 2837bf0a10SNikita Popov; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 0 2937bf0a10SNikita Popov; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is i32 0 3037bf0a10SNikita Popov; CHECK-NEXT: Loop %loop: Trip multiple is 1 3137bf0a10SNikita Popov; 3237bf0a10SNikita Popovbb: 3337bf0a10SNikita Popov br label %loop 3437bf0a10SNikita Popov 3537bf0a10SNikita Popovloop: 3637bf0a10SNikita Popov %phi = phi i32 [ -173, %bb ], [ %sub, %loop ] 3737bf0a10SNikita Popov %iv2 = phi i32 [ 1, %bb ], [ %iv2.inc, %loop ] 3837bf0a10SNikita Popov %srem = srem i32 729259140, %phi 3937bf0a10SNikita Popov %trunc = trunc i32 %iv2 to i8 4037bf0a10SNikita Popov %urem = urem i8 -83, %trunc 4137bf0a10SNikita Popov %zext = zext i8 %urem to i32 4237bf0a10SNikita Popov %sub = sub i32 0, %zext 4337bf0a10SNikita Popov %iv2.inc = add i32 %iv2, 1 4437bf0a10SNikita Popov %icmp = icmp eq i32 %zext, 0 4537bf0a10SNikita Popov br i1 %icmp, label %exit, label %loop 4637bf0a10SNikita Popov 4737bf0a10SNikita Popovexit: 4837bf0a10SNikita Popov %srem.lcssa = phi i32 [ %srem, %loop ] 4937bf0a10SNikita Popov ret i32 %srem.lcssa 5037bf0a10SNikita Popov} 51