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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature2; RUN: opt -S -passes=ipsccp < %s | FileCheck %s3 4@extern = global i32 05 6define i32 @call_assume_self_user() {7; CHECK-LABEL: define {{[^@]+}}@call_assume_self_user() {8; CHECK-NEXT: [[CALL:%.*]] = call i32 @assume_self_user()9; CHECK-NEXT: ret i32 010;11 %call = call i32 @assume_self_user()12 ret i32 013}14 15; Function address direct user is assume-like intrinsic.16;17; Make sure this doesn't hit "We can only zap functions where all live18; users have a concrete value"19define internal i32 @assume_self_user() {20; CHECK-LABEL: define {{[^@]+}}@assume_self_user() {21; CHECK-NEXT: [[OBJSIZE:%.*]] = call i32 @llvm.objectsize.i32.p0(ptr @assume_self_user, i1 false, i1 false, i1 false)22; CHECK-NEXT: store i32 [[OBJSIZE]], ptr @extern, align 423; CHECK-NEXT: ret i32 poison24;25 %objsize = call i32 @llvm.objectsize.i32.p0(ptr @assume_self_user, i1 false, i1 false, i1 false)26 store i32 %objsize, ptr @extern27 ret i32 028}29 30 31; The objectsize call is an "assume like intrinsic" that can be32; ignored for address taken purposes. The user of @constexpr_self_user33; is a constant expression cast, so that the use call site does not34; directly appear as a user.35 36define i32 @callsite_with_returned() {37; CHECK-LABEL: define {{[^@]+}}@callsite_with_returned() {38; CHECK-NEXT: [[CALL:%.*]] = call addrspace(1) i32 @constexpr_self_user(i32 123)39; CHECK-NEXT: ret i32 040;41 %call = call addrspace(1) i32 @constexpr_self_user(i32 returned 123)42 ret i32 043}44 45; Has constexpr cast user in an assume-like intrinsic. Make sure we46; don't assert on a cast<CallBase> for the user, and still remove47; returned from the caller.48define internal i32 @constexpr_self_user(i32 %arg0) addrspace(1) {49; CHECK-LABEL: define {{[^@]+}}@constexpr_self_user50; CHECK-SAME: (i32 [[ARG0:%.*]]) addrspace(1) {51; CHECK-NEXT: [[OBJSIZE:%.*]] = call i32 @llvm.objectsize.i32.p0(ptr addrspacecast (ptr addrspace(1) @constexpr_self_user to ptr), i1 false, i1 false, i1 false)52; CHECK-NEXT: store i32 [[OBJSIZE]], ptr @extern, align 453; CHECK-NEXT: ret i32 poison54;55 %objsize = call i32 @llvm.objectsize.i32.p0(ptr addrspacecast (ptr addrspace(1) @constexpr_self_user to ptr), i1 false, i1 false, i1 false)56 store i32 %objsize, ptr @extern57 ret i32 %arg058}59 60declare i32 @llvm.objectsize.i32.p0(ptr, i1 immarg, i1 immarg, i1 immarg) #061 62attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }63