; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s declare void @may_unwind() define i1 @test_switch_in_block_with_assume(i32 %x) { ; CHECK-LABEL: @test_switch_in_block_with_assume( ; CHECK-NEXT: entry: ; CHECK-NEXT: call void @may_unwind() ; CHECK-NEXT: [[C_1:%.*]] = icmp ult i32 [[X:%.*]], 10 ; CHECK-NEXT: call void @llvm.assume(i1 [[C_1]]) ; CHECK-NEXT: switch i32 0, label [[EXIT_1:%.*]] [ ; CHECK-NEXT: i32 1, label [[EXIT_2:%.*]] ; CHECK-NEXT: ] ; CHECK: exit.1: ; CHECK-NEXT: [[T_1:%.*]] = icmp ult i32 [[X]], 10 ; CHECK-NEXT: [[C_2:%.*]] = icmp ult i32 [[X]], 9 ; CHECK-NEXT: [[RES_1:%.*]] = xor i1 true, [[C_2]] ; CHECK-NEXT: ret i1 [[RES_1]] ; CHECK: exit.2: ; CHECK-NEXT: [[T_2:%.*]] = icmp ult i32 [[X]], 10 ; CHECK-NEXT: [[C_3:%.*]] = icmp ult i32 [[X]], 9 ; CHECK-NEXT: [[RES_2:%.*]] = xor i1 true, [[C_3]] ; CHECK-NEXT: ret i1 [[RES_2]] ; entry: call void @may_unwind() %c.1 = icmp ult i32 %x, 10 call void @llvm.assume(i1 %c.1) switch i32 0, label %exit.1 [ i32 1, label %exit.2 ] exit.1: %t.1 = icmp ult i32 %x, 10 %c.2 = icmp ult i32 %x, 9 %res.1 = xor i1 %t.1, %c.2 ret i1 %res.1 exit.2: %t.2 = icmp ult i32 %x, 10 %c.3 = icmp ult i32 %x, 9 %res.2 = xor i1 %t.2, %c.3 ret i1 %res.2 } declare void @llvm.assume(i1)