; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instcombine -S | FileCheck %s define i32 @assume_add(i32 %a, i32 %b) { ; CHECK-LABEL: @assume_add( ; CHECK-NEXT: [[T1:%.*]] = add i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[LAST_TWO_DIGITS:%.*]] = and i32 [[T1]], 3 ; CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[LAST_TWO_DIGITS]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[T2]]) ; CHECK-NEXT: [[T3:%.*]] = or i32 [[T1]], 3 ; CHECK-NEXT: ret i32 [[T3]] ; %t1 = add i32 %a, %b %last_two_digits = and i32 %t1, 3 %t2 = icmp eq i32 %last_two_digits, 0 call void @llvm.assume(i1 %t2) %t3 = add i32 %t1, 3 ret i32 %t3 } define void @assume_not() { ; CHECK-LABEL: @assume_not( entry-block: %0 = call i1 @get_val() ; CHECK: call void @llvm.assume %1 = xor i1 %0, true call void @llvm.assume(i1 %1) ret void } declare i1 @get_val() declare void @llvm.assume(i1)