; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py ; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output 2>&1 | FileCheck %s define i8 @test(i8 %x, i8 %y) { ; CHECK-LABEL: 'test' ; CHECK-NEXT: Classifying expressions for: @test ; CHECK-NEXT: %udiv = udiv i8 %x, %y ; CHECK-NEXT: --> (%x /u %y) U: full-set S: full-set ; CHECK-NEXT: %res = mul i8 %udiv, %y ; CHECK-NEXT: --> ((%x /u %y) * %y)<nuw> U: full-set S: full-set ; CHECK-NEXT: Determining loop execution counts for: @test ; %udiv = udiv i8 %x, %y %res = mul i8 %udiv, %y ret i8 %res } define i8 @test2(i8 %x) { ; CHECK-LABEL: 'test2' ; CHECK-NEXT: Classifying expressions for: @test2 ; CHECK-NEXT: %udiv = udiv i8 %x, 2 ; CHECK-NEXT: --> (%x /u 2) U: [0,-128) S: [0,-128) ; CHECK-NEXT: %res = mul i8 %udiv, 2 ; CHECK-NEXT: --> (2 * (%x /u 2))<nuw> U: [0,-1) S: [-128,127) ; CHECK-NEXT: Determining loop execution counts for: @test2 ; %udiv = udiv i8 %x, 2 %res = mul i8 %udiv, 2 ret i8 %res } define i8 @test3(i8 %x) { ; CHECK-LABEL: 'test3' ; CHECK-NEXT: Classifying expressions for: @test3 ; CHECK-NEXT: %udiv = udiv i8 %x, -128 ; CHECK-NEXT: --> (%x /u -128) U: [0,2) S: [0,2) ; CHECK-NEXT: %res = mul i8 %udiv, -128 ; CHECK-NEXT: --> (-128 * (%x /u -128))<nuw><nsw> U: [0,-127) S: [-128,1) ; CHECK-NEXT: Determining loop execution counts for: @test3 ; %udiv = udiv i8 %x, 128 %res = mul i8 %udiv, 128 ret i8 %res } define i8 @test4(i8 %x) { ; CHECK-LABEL: 'test4' ; CHECK-NEXT: Classifying expressions for: @test4 ; CHECK-NEXT: %udiv = udiv i8 %x, -1 ; CHECK-NEXT: --> (%x /u -1) U: [0,2) S: [0,2) ; CHECK-NEXT: %res = mul i8 %udiv, -1 ; CHECK-NEXT: --> (-1 * (%x /u -1))<nuw><nsw> U: [-1,1) S: [-1,1) ; CHECK-NEXT: Determining loop execution counts for: @test4 ; %udiv = udiv i8 %x, 255 %res = mul i8 %udiv, 255 ret i8 %res } define i8 @test5(i8 %x, i32 %y32) { ; CHECK-LABEL: 'test5' ; CHECK-NEXT: Classifying expressions for: @test5 ; CHECK-NEXT: %y = trunc i32 %y32 to i8 ; CHECK-NEXT: --> (trunc i32 %y32 to i8) U: full-set S: full-set ; CHECK-NEXT: %udiv = udiv i8 %x, %y ; CHECK-NEXT: --> (%x /u (trunc i32 %y32 to i8)) U: full-set S: full-set ; CHECK-NEXT: %res = mul i8 %udiv, %y ; CHECK-NEXT: --> ((trunc i32 %y32 to i8) * (%x /u (trunc i32 %y32 to i8)))<nuw> U: full-set S: full-set ; CHECK-NEXT: Determining loop execution counts for: @test5 ; %y = trunc i32 %y32 to i8 %udiv = udiv i8 %x, %y %res = mul i8 %udiv, %y ret i8 %res }