1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5 2; RUN: opt -disable-output -passes='print<scalar-evolution>' < %s 2>&1 | FileCheck %s 3 4; %srem should have exit value 130. 5define i32 @test() { 6; CHECK-LABEL: 'test' 7; CHECK-NEXT: Classifying expressions for: @test 8; CHECK-NEXT: %phi = phi i32 [ -173, %bb ], [ %sub, %loop ] 9; CHECK-NEXT: --> %phi U: [-173,1) S: [-173,1) Exits: -173 LoopDispositions: { %loop: Variant } 10; CHECK-NEXT: %iv2 = phi i32 [ 1, %bb ], [ %iv2.inc, %loop ] 11; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%loop> U: [1,2) S: [1,2) Exits: 1 LoopDispositions: { %loop: Computable } 12; CHECK-NEXT: %srem = srem i32 729259140, %phi 13; CHECK-NEXT: --> %srem U: [0,1073741824) S: [0,1073741824) Exits: 130 LoopDispositions: { %loop: Variant } 14; CHECK-NEXT: %trunc = trunc i32 %iv2 to i8 15; CHECK-NEXT: --> {1,+,1}<%loop> U: [1,2) S: [1,2) Exits: 1 LoopDispositions: { %loop: Computable } 16; CHECK-NEXT: %urem = urem i8 -83, %trunc 17; CHECK-NEXT: --> (-83 + ((-83 /u {1,+,1}<%loop>) * {-1,+,-1}<%loop>)) U: [0,1) S: [0,1) Exits: 0 LoopDispositions: { %loop: Computable } 18; CHECK-NEXT: %zext = zext i8 %urem to i32 19; 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 } 20; CHECK-NEXT: %sub = sub i32 0, %zext 21; 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 } 22; CHECK-NEXT: %iv2.inc = add i32 %iv2, 1 23; CHECK-NEXT: --> {2,+,1}<nuw><nsw><%loop> U: [2,3) S: [2,3) Exits: 2 LoopDispositions: { %loop: Computable } 24; CHECK-NEXT: %srem.lcssa = phi i32 [ %srem, %loop ] 25; CHECK-NEXT: --> %srem U: [0,1073741824) S: [0,1073741824) --> 130 U: [130,131) S: [130,131) 26; CHECK-NEXT: Determining loop execution counts for: @test 27; CHECK-NEXT: Loop %loop: backedge-taken count is i32 0 28; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 0 29; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is i32 0 30; CHECK-NEXT: Loop %loop: Trip multiple is 1 31; 32bb: 33 br label %loop 34 35loop: 36 %phi = phi i32 [ -173, %bb ], [ %sub, %loop ] 37 %iv2 = phi i32 [ 1, %bb ], [ %iv2.inc, %loop ] 38 %srem = srem i32 729259140, %phi 39 %trunc = trunc i32 %iv2 to i8 40 %urem = urem i8 -83, %trunc 41 %zext = zext i8 %urem to i32 42 %sub = sub i32 0, %zext 43 %iv2.inc = add i32 %iv2, 1 44 %icmp = icmp eq i32 %zext, 0 45 br i1 %icmp, label %exit, label %loop 46 47exit: 48 %srem.lcssa = phi i32 [ %srem, %loop ] 49 ret i32 %srem.lcssa 50} 51