; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes='loop(simple-loop-unswitch),verify' -S < %s | FileCheck %s ; RUN: opt -passes='loop-mssa(simple-loop-unswitch),verify' -S < %s | FileCheck %s ; RUN: opt -passes='simple-loop-unswitch' -verify-memoryssa -verify-loop-info -S < %s | FileCheck %s declare ptr @pluto() declare void @llvm.experimental.guard(i1, ...) declare void @widget() define void @foo(ptr addrspace(1) %arg, i64 %arg1) personality ptr @pluto { ; CHECK-LABEL: @foo( ; CHECK-NEXT: bb: ; CHECK-NEXT: [[TMP:%.*]] = icmp slt i32 poison, 570 ; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP]], i1 true, i1 false ; CHECK-NEXT: br i1 [[TMP]], label [[BB_SPLIT_US:%.*]], label [[BB_SPLIT:%.*]] ; CHECK: bb.split.us: ; CHECK-NEXT: br label [[BB3_US:%.*]] ; CHECK: bb3.us: ; CHECK-NEXT: br label [[GUARDED_US:%.*]] ; CHECK: bb4.us: ; CHECK-NEXT: invoke void @widget() ; CHECK-NEXT: to label [[BB6_US:%.*]] unwind label [[BB7_SPLIT_US:%.*]] ; CHECK: bb6.us: ; CHECK-NEXT: invoke void @widget() ; CHECK-NEXT: to label [[BB3_US]] unwind label [[BB7_SPLIT_US]] ; CHECK: guarded.us: ; CHECK-NEXT: invoke void @widget() ; CHECK-NEXT: to label [[BB4_US:%.*]] unwind label [[BB7_SPLIT_US]] ; CHECK: bb7.split.us: ; CHECK-NEXT: [[TMP8_US:%.*]] = landingpad { ptr, i32 } ; CHECK-NEXT: cleanup ; CHECK-NEXT: br label [[BB7:%.*]] ; CHECK: bb.split: ; CHECK-NEXT: br label [[BB3:%.*]] ; CHECK: bb3: ; CHECK-NEXT: br label [[DEOPT:%.*]] ; CHECK: deopt: ; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false, i32 7) [ "deopt"() ] ; CHECK-NEXT: unreachable ; CHECK: bb7: ; CHECK-NEXT: ret void ; bb: %tmp = icmp slt i32 poison, 570 %tmp2 = select i1 %tmp, i1 true, i1 false br label %bb3 bb3: ; preds = %bb6, %bb call void (i1, ...) @llvm.experimental.guard(i1 %tmp2, i32 7) [ "deopt"() ] invoke void @widget() to label %bb4 unwind label %bb7 bb4: ; preds = %bb3 invoke void @widget() to label %bb6 unwind label %bb7 bb6: ; preds = %bb4 invoke void @widget() to label %bb3 unwind label %bb7 bb7: ; preds = %bb6, %bb4, %bb3 %tmp8 = landingpad { ptr, i32 } cleanup ret void }