; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; Check that no freeze instruction gets inserted before landingpad in a basic block ; RUN: opt < %s -passes=instcombine -S | FileCheck %s define i32 @propagate_freeze_in_landingpad() personality ptr null { ; CHECK-LABEL: @propagate_freeze_in_landingpad( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[INVOKE_BB1:%.*]] ; CHECK: invoke.bb1: ; CHECK-NEXT: [[X:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[NORMAL_RETURN:%.*]] ] ; CHECK-NEXT: [[RES0:%.*]] = invoke i32 @foo() ; CHECK-NEXT: to label [[INVOKE_BB2:%.*]] unwind label [[EXCEPTIONAL_RETURN:%.*]] ; CHECK: invoke.bb2: ; CHECK-NEXT: [[RES1:%.*]] = invoke i32 @foo() ; CHECK-NEXT: to label [[NORMAL_RETURN]] unwind label [[EXCEPTIONAL_RETURN]] ; CHECK: normal_return: ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[X]], 1 ; CHECK-NEXT: br label [[INVOKE_BB1]] ; CHECK: exceptional_return: ; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ [[X]], [[INVOKE_BB1]] ], [ 0, [[INVOKE_BB2]] ] ; CHECK-NEXT: [[LANDING_PAD:%.*]] = landingpad { ptr, i32 } ; CHECK-NEXT: cleanup ; CHECK-NEXT: [[FR:%.*]] = freeze i32 [[PHI]] ; CHECK-NEXT: [[RES:%.*]] = shl i32 [[FR]], 1 ; CHECK-NEXT: ret i32 [[RES]] ; entry: br label %invoke.bb1 invoke.bb1: ; preds = %normal_return, %entry %x = phi i32 [ 0, %entry ], [ %inc, %normal_return ] %res0 = invoke i32 @foo() to label %invoke.bb2 unwind label %exceptional_return invoke.bb2: ; preds = %invoke.bb1 %res1 = invoke i32 @foo() to label %normal_return unwind label %exceptional_return normal_return: ; preds = %invoke.bb2 %inc = add nuw nsw i32 %x, 1 br label %invoke.bb1 exceptional_return: ; preds = %invoke.bb2, %invoke.bb1 %phi = phi i32 [ %x, %invoke.bb1 ], [ 0, %invoke.bb2 ] %landing_pad = landingpad { ptr, i32 } cleanup %fr = freeze i32 %phi %res = add i32 %fr, %phi ret i32 %res } declare i32 @foo()