; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=instcombine -S < %s | FileCheck %s ; Test that presence of range does not cause unprofitable transforms with bit ; arithmetics. define i1 @without_range(i32* %A) { ; CHECK-LABEL: @without_range( ; CHECK-NEXT: [[A_VAL:%.*]] = load i32, i32* [[A:%.*]], align 8 ; CHECK-NEXT: [[C:%.*]] = icmp slt i32 [[A_VAL]], 2 ; CHECK-NEXT: ret i1 [[C]] ; %A.val = load i32, i32* %A, align 8 %B = sdiv i32 %A.val, 2 %C = icmp sge i32 0, %B ret i1 %C } define i1 @with_range(i32* %A) { ; CHECK-LABEL: @with_range( ; CHECK-NEXT: [[A_VAL:%.*]] = load i32, i32* [[A:%.*]], align 8, !range [[RNG0:![0-9]+]] ; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[A_VAL]], 2 ; CHECK-NEXT: ret i1 [[C]] ; %A.val = load i32, i32* %A, align 8, !range !0 %B = sdiv i32 %A.val, 2 %C = icmp sge i32 0, %B ret i1 %C } !0 = !{i32 0, i32 2147483647}